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Git pushed a commit to branch master
in repository ffmpeg.

commit 8e162daf9a171e8fe54d42e8023c73490e9220f9
Author:     James Almer <[email protected]>
AuthorDate: Thu May 7 15:20:20 2026 -0300
Commit:     James Almer <[email protected]>
CommitDate: Sat May 16 13:55:22 2026 -0300

    fftools:/ffmpeg_enc: honor the user request for fixed size frames
    
    And set it also for non-variable frame size encoders.
    
    FATE changes are the result of passing a frame_size to flac and wavenc
    encoders, instead of letting them choose one.
    
    Signed-off-by: James Almer <[email protected]>
---
 fftools/ffmpeg_enc.c                            |   3 +
 fftools/ffmpeg_mux_init.c                       |   3 +-
 tests/ref/acodec/flac                           |   4 +-
 tests/ref/acodec/flac-exact-rice                |   4 +-
 tests/ref/acodec/wavpack                        |   4 +-
 tests/ref/fate/cover-art-flac-remux             |  24 +--
 tests/ref/fate/iamf-5_1_4                       | 148 ++++++++-------
 tests/ref/fate/iamf-7_1_4                       | 171 ++++++++---------
 tests/ref/fate/iamf-9_1_6                       | 234 ++++++++++++------------
 tests/ref/fate/iamf-ambisonic_1                 |  96 +++++-----
 tests/ref/fate/iamf-ambisonic_1-projection      |  96 +++++-----
 tests/ref/fate/iamf-stereo                      |  27 +--
 tests/ref/fate/matroska-flac-extradata-update   |  56 +++---
 tests/ref/fate/mov-mp4-iamf-5_1_4               | 148 ++++++++-------
 tests/ref/fate/mov-mp4-iamf-7_1_4-video-first   | 167 +++++++++--------
 tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-2 |  23 +--
 tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-3 |  23 +--
 tests/ref/fate/mov-mp4-iamf-7_1_4-video-last    | 171 ++++++++---------
 tests/ref/fate/mov-mp4-iamf-ambisonic_1         |  96 +++++-----
 tests/ref/fate/mov-mp4-iamf-stereo              |  27 +--
 tests/ref/lavf/wv                               |   4 +-
 tests/ref/seek/acodec-flac                      |  54 +++---
 22 files changed, 824 insertions(+), 759 deletions(-)

diff --git a/fftools/ffmpeg_enc.c b/fftools/ffmpeg_enc.c
index a595912933..1ce37d3b29 100644
--- a/fftools/ffmpeg_enc.c
+++ b/fftools/ffmpeg_enc.c
@@ -227,6 +227,9 @@ int enc_open(void *opaque, const AVFrame *frame)
                    frame->ch_layout.nb_channels > 0);
         enc_ctx->sample_fmt     = frame->format;
         enc_ctx->sample_rate    = frame->sample_rate;
+        if (!enc_ctx->frame_size && (!(enc->capabilities & 
AV_CODEC_CAP_VARIABLE_FRAME_SIZE) ||
+                                      (enc_ctx->flags2 & 
AV_CODEC_FLAG2_FIXED_FRAME_SIZE)))
+            enc_ctx->frame_size = frame->nb_samples;
         ret = av_channel_layout_copy(&enc_ctx->ch_layout, &frame->ch_layout);
         if (ret < 0)
             return ret;
diff --git a/fftools/ffmpeg_mux_init.c b/fftools/ffmpeg_mux_init.c
index e0eecf78f2..638c53cfb3 100644
--- a/fftools/ffmpeg_mux_init.c
+++ b/fftools/ffmpeg_mux_init.c
@@ -2127,7 +2127,8 @@ static int setup_sync_queues(Muxer *mux, AVFormatContext 
*oc,
         nb_interleaved += IS_INTERLEAVED(type);
         nb_av_enc      += IS_AV_ENC(ost, type);
         nb_audio_fs    += (ost->enc && type == AVMEDIA_TYPE_AUDIO &&
-                           !(ost->enc->enc_ctx->codec->capabilities & 
AV_CODEC_CAP_VARIABLE_FRAME_SIZE));
+                           (!(ost->enc->enc_ctx->codec->capabilities & 
AV_CODEC_CAP_VARIABLE_FRAME_SIZE) ||
+                            (ost->enc->enc_ctx->flags2 & 
AV_CODEC_FLAG2_FIXED_FRAME_SIZE)));
 
         limit_frames        |=  ms->max_frames < INT64_MAX;
         limit_frames_av_enc |= (ms->max_frames < INT64_MAX) && IS_AV_ENC(ost, 
type);
diff --git a/tests/ref/acodec/flac b/tests/ref/acodec/flac
index c2e7f2099b..7b67e5dc64 100644
--- a/tests/ref/acodec/flac
+++ b/tests/ref/acodec/flac
@@ -1,4 +1,4 @@
-151eef9097f944726968bec48649f00a *tests/data/fate/acodec-flac.flac
-361582 tests/data/fate/acodec-flac.flac
+eb908cfce45d1b11408be4387472ae92 *tests/data/fate/acodec-flac.flac
+363881 tests/data/fate/acodec-flac.flac
 95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-flac.out.wav
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  1058400/  1058400
diff --git a/tests/ref/acodec/flac-exact-rice b/tests/ref/acodec/flac-exact-rice
index 6f6d27427d..60bb76464a 100644
--- a/tests/ref/acodec/flac-exact-rice
+++ b/tests/ref/acodec/flac-exact-rice
@@ -1,4 +1,4 @@
-aab144de213ae684ca008a3e0afe5e28 *tests/data/fate/acodec-flac-exact-rice.flac
-360454 tests/data/fate/acodec-flac-exact-rice.flac
+eb3bddd3a7ab504981bc2725f6c2eb65 *tests/data/fate/acodec-flac-exact-rice.flac
+362904 tests/data/fate/acodec-flac-exact-rice.flac
 95e54b261530a1bcf6de6fe3b21dc5f6 
*tests/data/fate/acodec-flac-exact-rice.out.wav
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  1058400/  1058400
diff --git a/tests/ref/acodec/wavpack b/tests/ref/acodec/wavpack
index 02f09ae5ed..35bca6433b 100644
--- a/tests/ref/acodec/wavpack
+++ b/tests/ref/acodec/wavpack
@@ -1,4 +1,4 @@
-000420796cc3e526650ce6f4c6334471 *tests/data/fate/acodec-wavpack.wv
-338166 tests/data/fate/acodec-wavpack.wv
+72604d44fff5d797cd1e421c384e659f *tests/data/fate/acodec-wavpack.wv
+343032 tests/data/fate/acodec-wavpack.wv
 95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-wavpack.out.wav
 stddev:    0.00 PSNR:999.99 MAXDIFF:    0 bytes:  1058400/  1058400
diff --git a/tests/ref/fate/cover-art-flac-remux 
b/tests/ref/fate/cover-art-flac-remux
index 8d4dc9ae5d..7badb2544d 100644
--- a/tests/ref/fate/cover-art-flac-remux
+++ b/tests/ref/fate/cover-art-flac-remux
@@ -1,6 +1,6 @@
-2535b1a3c759250e7f470ece217971a4 *tests/data/fate/cover-art-flac-remux.flac
-964234 tests/data/fate/cover-art-flac-remux.flac
-#extradata 0:       34, 0x8d830abd
+f41881b70a18d8405c1dd43ee8502349 *tests/data/fate/cover-art-flac-remux.flac
+964331 tests/data/fate/cover-art-flac-remux.flac
+#extradata 0:       34, 0x8f1f0acf
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -36,19 +36,21 @@
 #codec_id 6: pcm_s16le
 #sample_rate 6: 44100
 #channel_layout_name 6: 2 channels (FL+FC)
-0,          0,          0,     4608,       14, 0x242b036d
+0,          0,          0,     4096,       14, 0x2e2e0540
 1,          0,          0,        0,    66888, 0x1fd72743
 2,          0,          0,        0,   304403, 0xaf7c7667
 3,          0,          0,        0,    21671, 0x7d1c6030
 4,          0,          0,        0,   522758, 0x7a63572f
 5,          0,          0,        0,    21671, 0x7d1c6030
-6,          0,          0,     4608,    18432, 0x00000000
-0,       4608,       4608,     4608,     7636, 0xc3775d85
-6,       4608,       4608,     4608,    18432, 0xaaab4d62
-0,       9216,       9216,     4608,     5700, 0x8b9a3cc7
-6,       9216,       9216,     4608,    18432, 0x49410f52
-0,      13824,      13824,     3816,     4512, 0x0ded5f71
-6,      13824,      13824,     3816,    15264, 0x155b5c95
+6,          0,          0,     4096,    16384, 0x00000000
+0,       4096,       4096,     4096,     6128, 0x2072ccde
+6,       4096,       4096,     4096,    16384, 0x29cd639d
+0,       8192,       8192,     4096,     5361, 0xe7316a81
+6,       8192,       8192,     4096,    16384, 0xd52066e5
+0,      12288,      12288,     4096,     5015, 0x366ffd34
+6,      12288,      12288,     4096,    16384, 0x0c933408
+0,      16384,      16384,     1256,     1441, 0x44376426
+6,      16384,      16384,     1256,     5024, 0xde7bbab0
 [STREAM]
 index=0
 codec_name=flac
diff --git a/tests/ref/fate/iamf-5_1_4 b/tests/ref/fate/iamf-5_1_4
index 4c765dc8e1..71c8267afc 100644
--- a/tests/ref/fate/iamf-5_1_4
+++ b/tests/ref/fate/iamf-5_1_4
@@ -1,11 +1,11 @@
-7749af0b8f37c91e4cc0dbc6f31d7f67 *tests/data/fate/iamf-5_1_4.iamf
-85603 tests/data/fate/iamf-5_1_4.iamf
-#extradata 0:       34, 0xafa70d5e
-#extradata 1:       34, 0xafa70d5e
-#extradata 2:       34, 0xaf7b0d5c
-#extradata 3:       34, 0xaf7b0d5c
-#extradata 4:       34, 0xafa70d5e
-#extradata 5:       34, 0xafa70d5e
+2300b02c277bd7da2c3db54a27565314 *tests/data/fate/iamf-5_1_4.iamf
+84573 tests/data/fate/iamf-5_1_4.iamf
+#extradata 0:       34, 0x94110c4f
+#extradata 1:       34, 0x94110c4f
+#extradata 2:       34, 0x93e50c4d
+#extradata 3:       34, 0x93e50c4d
+#extradata 4:       34, 0x94110c4f
+#extradata 5:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -36,66 +36,72 @@
 #codec_id 5: flac
 #sample_rate 5: 44100
 #channel_layout_name 5: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-1,          0,          0,     4608,     1399, 0x6e89566e
-2,          0,          0,     4608,     1396, 0x0dcb5677
-3,          0,          0,     4608,     1396, 0x0dcb5677
-4,          0,          0,     4608,     1399, 0x6e89566e
-5,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-1,       4608,       4608,     4608,     1442, 0x6c3c5b13
-2,       4608,       4608,     4608,     1439, 0xc46b5ac5
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-4,       4608,       4608,     4608,     1442, 0x6c3c5b13
-5,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-1,       9216,       9216,     4608,     1380, 0xc497571b
-2,       9216,       9216,     4608,     1377, 0x5b2a55fe
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-4,       9216,       9216,     4608,     1380, 0xc497571b
-5,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-1,      13824,      13824,     4608,     1383, 0x48e9510f
-2,      13824,      13824,     4608,     1380, 0x045550d3
-3,      13824,      13824,     4608,     1380, 0x045550d3
-4,      13824,      13824,     4608,     1383, 0x48e9510f
-5,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-1,      18432,      18432,     4608,     1572, 0x9a514719
-2,      18432,      18432,     4608,     1568, 0xa2bc45f4
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-4,      18432,      18432,     4608,     1572, 0x9a514719
-5,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-1,      23040,      23040,     4608,     1391, 0x74ac5014
-2,      23040,      23040,     4608,     1388, 0x96c85007
-3,      23040,      23040,     4608,     1388, 0x96c85007
-4,      23040,      23040,     4608,     1391, 0x74ac5014
-5,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-1,      27648,      27648,     4608,     1422, 0x2f9d47c5
-2,      27648,      27648,     4608,     1419, 0x4d4d466a
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-4,      27648,      27648,     4608,     1422, 0x2f9d47c5
-5,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-1,      32256,      32256,     4608,     1768, 0x2a044b99
-2,      32256,      32256,     4608,     1765, 0xacb84b24
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-4,      32256,      32256,     4608,     1768, 0x2a044b99
-5,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-1,      36864,      36864,     4608,     1534, 0xb0b35a3f
-2,      36864,      36864,     4608,     1531, 0x996458aa
-3,      36864,      36864,     4608,     1531, 0x996458aa
-4,      36864,      36864,     4608,     1534, 0xb0b35a3f
-5,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     4608,      926, 0xc26a5eae
-1,      41472,      41472,     4608,      926, 0xc26a5eae
-2,      41472,      41472,     4608,      923, 0xa7225edf
-3,      41472,      41472,     4608,      923, 0xa7225edf
-4,      41472,      41472,     4608,      926, 0xc26a5eae
-5,      41472,      41472,     4608,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+1,          0,          0,     4096,     1323, 0xb9bc0f9a
+2,          0,          0,     4096,     1320, 0x45220e92
+3,          0,          0,     4096,     1320, 0x45220e92
+4,          0,          0,     4096,     1323, 0xb9bc0f9a
+5,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+1,       4096,       4096,     4096,     1254, 0xf7e910bc
+2,       4096,       4096,     4096,     1251, 0x70521040
+3,       4096,       4096,     4096,     1251, 0x70521040
+4,       4096,       4096,     4096,     1254, 0xf7e910bc
+5,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+1,       8192,       8192,     4096,     1320, 0xe4fe09c9
+2,       8192,       8192,     4096,     1317, 0x6c5408ea
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+4,       8192,       8192,     4096,     1320, 0xe4fe09c9
+5,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+1,      12288,      12288,     4096,     1280, 0x22e9127e
+2,      12288,      12288,     4096,     1277, 0xa6e11330
+3,      12288,      12288,     4096,     1277, 0xa6e11330
+4,      12288,      12288,     4096,     1280, 0x22e9127e
+5,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+1,      16384,      16384,     4096,     1331, 0x8bc61bbf
+2,      16384,      16384,     4096,     1328, 0x21371b83
+3,      16384,      16384,     4096,     1328, 0x21371b83
+4,      16384,      16384,     4096,     1331, 0x8bc61bbf
+5,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+1,      20480,      20480,     4096,     1267, 0x2c4708fa
+2,      20480,      20480,     4096,     1264, 0x4358080b
+3,      20480,      20480,     4096,     1264, 0x4358080b
+4,      20480,      20480,     4096,     1267, 0x2c4708fa
+5,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+1,      24576,      24576,     4096,     1282, 0x0438152d
+2,      24576,      24576,     4096,     1279, 0xf63b158e
+3,      24576,      24576,     4096,     1279, 0xf63b158e
+4,      24576,      24576,     4096,     1282, 0x0438152d
+5,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+1,      28672,      28672,     4096,     1313, 0x2e79ffa2
+2,      28672,      28672,     4096,     1310, 0x1f77ff91
+3,      28672,      28672,     4096,     1310, 0x1f77ff91
+4,      28672,      28672,     4096,     1313, 0x2e79ffa2
+5,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+1,      32768,      32768,     4096,     1323, 0xb9f70fce
+2,      32768,      32768,     4096,     1320, 0xea180f1a
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+4,      32768,      32768,     4096,     1323, 0xb9f70fce
+5,      32768,      32768,     4096,     1323, 0xb9f70fce
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+1,      36864,      36864,     4096,     1254, 0xf6f01051
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+4,      36864,      36864,     4096,     1254, 0xf6f01051
+5,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     4096,     1096, 0xa3059b16
+1,      40960,      40960,     4096,     1096, 0xa3059b16
+2,      40960,      40960,     4096,     1093, 0x6c429ba0
+3,      40960,      40960,     4096,     1093, 0x6c429ba0
+4,      40960,      40960,     4096,     1096, 0xa3059b16
+5,      40960,      40960,     4096,     1096, 0xa3059b16
 [STREAM_GROUP]
 index=0
 id=0x1
@@ -131,10 +137,10 @@ nb_subblocks=1
 type=1
 parameter_id=998
 parameter_rate=44100
-duration=4608
-constant_subblock_duration=4608
+duration=4096
+constant_subblock_duration=4096
 [PIECE]
-subblock_duration=4608
+subblock_duration=4096
 dmixp_mode=1
 [/PIECE]
 [/SUBCOMPONENT]
diff --git a/tests/ref/fate/iamf-7_1_4 b/tests/ref/fate/iamf-7_1_4
index 4259e40135..bd7b2c6004 100644
--- a/tests/ref/fate/iamf-7_1_4
+++ b/tests/ref/fate/iamf-7_1_4
@@ -1,12 +1,12 @@
-5d9fcee2b9b2ad3c802c40bb1147016e *tests/data/fate/iamf-7_1_4.iamf
-99851 tests/data/fate/iamf-7_1_4.iamf
-#extradata 0:       34, 0xafa70d5e
-#extradata 1:       34, 0xafa70d5e
-#extradata 2:       34, 0xaf7b0d5c
-#extradata 3:       34, 0xaf7b0d5c
-#extradata 4:       34, 0xafa70d5e
-#extradata 5:       34, 0xafa70d5e
-#extradata 6:       34, 0xafa70d5e
+33d29010264e0aa0719ba3e5640e958f *tests/data/fate/iamf-7_1_4.iamf
+98650 tests/data/fate/iamf-7_1_4.iamf
+#extradata 0:       34, 0x94110c4f
+#extradata 1:       34, 0x94110c4f
+#extradata 2:       34, 0x93e50c4d
+#extradata 3:       34, 0x93e50c4d
+#extradata 4:       34, 0x94110c4f
+#extradata 5:       34, 0x94110c4f
+#extradata 6:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -42,76 +42,83 @@
 #codec_id 6: flac
 #sample_rate 6: 44100
 #channel_layout_name 6: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-1,          0,          0,     4608,     1399, 0x6e89566e
-2,          0,          0,     4608,     1396, 0x0dcb5677
-3,          0,          0,     4608,     1396, 0x0dcb5677
-4,          0,          0,     4608,     1399, 0x6e89566e
-5,          0,          0,     4608,     1399, 0x6e89566e
-6,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-1,       4608,       4608,     4608,     1442, 0x6c3c5b13
-2,       4608,       4608,     4608,     1439, 0xc46b5ac5
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-4,       4608,       4608,     4608,     1442, 0x6c3c5b13
-5,       4608,       4608,     4608,     1442, 0x6c3c5b13
-6,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-1,       9216,       9216,     4608,     1380, 0xc497571b
-2,       9216,       9216,     4608,     1377, 0x5b2a55fe
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-4,       9216,       9216,     4608,     1380, 0xc497571b
-5,       9216,       9216,     4608,     1380, 0xc497571b
-6,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-1,      13824,      13824,     4608,     1383, 0x48e9510f
-2,      13824,      13824,     4608,     1380, 0x045550d3
-3,      13824,      13824,     4608,     1380, 0x045550d3
-4,      13824,      13824,     4608,     1383, 0x48e9510f
-5,      13824,      13824,     4608,     1383, 0x48e9510f
-6,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-1,      18432,      18432,     4608,     1572, 0x9a514719
-2,      18432,      18432,     4608,     1568, 0xa2bc45f4
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-4,      18432,      18432,     4608,     1572, 0x9a514719
-5,      18432,      18432,     4608,     1572, 0x9a514719
-6,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-1,      23040,      23040,     4608,     1391, 0x74ac5014
-2,      23040,      23040,     4608,     1388, 0x96c85007
-3,      23040,      23040,     4608,     1388, 0x96c85007
-4,      23040,      23040,     4608,     1391, 0x74ac5014
-5,      23040,      23040,     4608,     1391, 0x74ac5014
-6,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-1,      27648,      27648,     4608,     1422, 0x2f9d47c5
-2,      27648,      27648,     4608,     1419, 0x4d4d466a
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-4,      27648,      27648,     4608,     1422, 0x2f9d47c5
-5,      27648,      27648,     4608,     1422, 0x2f9d47c5
-6,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-1,      32256,      32256,     4608,     1768, 0x2a044b99
-2,      32256,      32256,     4608,     1765, 0xacb84b24
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-4,      32256,      32256,     4608,     1768, 0x2a044b99
-5,      32256,      32256,     4608,     1768, 0x2a044b99
-6,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-1,      36864,      36864,     4608,     1534, 0xb0b35a3f
-2,      36864,      36864,     4608,     1531, 0x996458aa
-3,      36864,      36864,     4608,     1531, 0x996458aa
-4,      36864,      36864,     4608,     1534, 0xb0b35a3f
-5,      36864,      36864,     4608,     1534, 0xb0b35a3f
-6,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     4608,      926, 0xc26a5eae
-1,      41472,      41472,     4608,      926, 0xc26a5eae
-2,      41472,      41472,     4608,      923, 0xa7225edf
-3,      41472,      41472,     4608,      923, 0xa7225edf
-4,      41472,      41472,     4608,      926, 0xc26a5eae
-5,      41472,      41472,     4608,      926, 0xc26a5eae
-6,      41472,      41472,     4608,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+1,          0,          0,     4096,     1323, 0xb9bc0f9a
+2,          0,          0,     4096,     1320, 0x45220e92
+3,          0,          0,     4096,     1320, 0x45220e92
+4,          0,          0,     4096,     1323, 0xb9bc0f9a
+5,          0,          0,     4096,     1323, 0xb9bc0f9a
+6,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+1,       4096,       4096,     4096,     1254, 0xf7e910bc
+2,       4096,       4096,     4096,     1251, 0x70521040
+3,       4096,       4096,     4096,     1251, 0x70521040
+4,       4096,       4096,     4096,     1254, 0xf7e910bc
+5,       4096,       4096,     4096,     1254, 0xf7e910bc
+6,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+1,       8192,       8192,     4096,     1320, 0xe4fe09c9
+2,       8192,       8192,     4096,     1317, 0x6c5408ea
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+4,       8192,       8192,     4096,     1320, 0xe4fe09c9
+5,       8192,       8192,     4096,     1320, 0xe4fe09c9
+6,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+1,      12288,      12288,     4096,     1280, 0x22e9127e
+2,      12288,      12288,     4096,     1277, 0xa6e11330
+3,      12288,      12288,     4096,     1277, 0xa6e11330
+4,      12288,      12288,     4096,     1280, 0x22e9127e
+5,      12288,      12288,     4096,     1280, 0x22e9127e
+6,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+1,      16384,      16384,     4096,     1331, 0x8bc61bbf
+2,      16384,      16384,     4096,     1328, 0x21371b83
+3,      16384,      16384,     4096,     1328, 0x21371b83
+4,      16384,      16384,     4096,     1331, 0x8bc61bbf
+5,      16384,      16384,     4096,     1331, 0x8bc61bbf
+6,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+1,      20480,      20480,     4096,     1267, 0x2c4708fa
+2,      20480,      20480,     4096,     1264, 0x4358080b
+3,      20480,      20480,     4096,     1264, 0x4358080b
+4,      20480,      20480,     4096,     1267, 0x2c4708fa
+5,      20480,      20480,     4096,     1267, 0x2c4708fa
+6,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+1,      24576,      24576,     4096,     1282, 0x0438152d
+2,      24576,      24576,     4096,     1279, 0xf63b158e
+3,      24576,      24576,     4096,     1279, 0xf63b158e
+4,      24576,      24576,     4096,     1282, 0x0438152d
+5,      24576,      24576,     4096,     1282, 0x0438152d
+6,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+1,      28672,      28672,     4096,     1313, 0x2e79ffa2
+2,      28672,      28672,     4096,     1310, 0x1f77ff91
+3,      28672,      28672,     4096,     1310, 0x1f77ff91
+4,      28672,      28672,     4096,     1313, 0x2e79ffa2
+5,      28672,      28672,     4096,     1313, 0x2e79ffa2
+6,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+1,      32768,      32768,     4096,     1323, 0xb9f70fce
+2,      32768,      32768,     4096,     1320, 0xea180f1a
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+4,      32768,      32768,     4096,     1323, 0xb9f70fce
+5,      32768,      32768,     4096,     1323, 0xb9f70fce
+6,      32768,      32768,     4096,     1323, 0xb9f70fce
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+1,      36864,      36864,     4096,     1254, 0xf6f01051
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+4,      36864,      36864,     4096,     1254, 0xf6f01051
+5,      36864,      36864,     4096,     1254, 0xf6f01051
+6,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     4096,     1096, 0xa3059b16
+1,      40960,      40960,     4096,     1096, 0xa3059b16
+2,      40960,      40960,     4096,     1093, 0x6c429ba0
+3,      40960,      40960,     4096,     1093, 0x6c429ba0
+4,      40960,      40960,     4096,     1096, 0xa3059b16
+5,      40960,      40960,     4096,     1096, 0xa3059b16
+6,      40960,      40960,     4096,     1096, 0xa3059b16
 [STREAM_GROUP]
 index=0
 id=0x1
@@ -147,10 +154,10 @@ nb_subblocks=1
 type=1
 parameter_id=998
 parameter_rate=44100
-duration=4608
-constant_subblock_duration=4608
+duration=4096
+constant_subblock_duration=4096
 [PIECE]
-subblock_duration=4608
+subblock_duration=4096
 dmixp_mode=1
 [/PIECE]
 [/SUBCOMPONENT]
diff --git a/tests/ref/fate/iamf-9_1_6 b/tests/ref/fate/iamf-9_1_6
index 4082d35729..0e7d25d5a5 100644
--- a/tests/ref/fate/iamf-9_1_6
+++ b/tests/ref/fate/iamf-9_1_6
@@ -1,15 +1,15 @@
-bba1dc4edb2c5011dfddfe53bd412e99 *tests/data/fate/iamf-9_1_6.iamf
-142594 tests/data/fate/iamf-9_1_6.iamf
-#extradata 0:       34, 0xafa70d5e
-#extradata 1:       34, 0xafa70d5e
-#extradata 2:       34, 0xafa70d5e
-#extradata 3:       34, 0xafa70d5e
-#extradata 4:       34, 0xafa70d5e
-#extradata 5:       34, 0xafa70d5e
-#extradata 6:       34, 0xafa70d5e
-#extradata 7:       34, 0xaf7b0d5c
-#extradata 8:       34, 0xaf7b0d5c
-#extradata 9:       34, 0xafa70d5e
+8718687441c7d77e29db5f363b855407 *tests/data/fate/iamf-9_1_6.iamf
+140880 tests/data/fate/iamf-9_1_6.iamf
+#extradata 0:       34, 0x94110c4f
+#extradata 1:       34, 0x94110c4f
+#extradata 2:       34, 0x94110c4f
+#extradata 3:       34, 0x94110c4f
+#extradata 4:       34, 0x94110c4f
+#extradata 5:       34, 0x94110c4f
+#extradata 6:       34, 0x94110c4f
+#extradata 7:       34, 0x93e50c4d
+#extradata 8:       34, 0x93e50c4d
+#extradata 9:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -60,106 +60,116 @@ bba1dc4edb2c5011dfddfe53bd412e99 
*tests/data/fate/iamf-9_1_6.iamf
 #codec_id 9: flac
 #sample_rate 9: 44100
 #channel_layout_name 9: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-1,          0,          0,     4608,     1399, 0x6e89566e
-2,          0,          0,     4608,     1399, 0x6e89566e
-3,          0,          0,     4608,     1399, 0x6e89566e
-4,          0,          0,     4608,     1399, 0x6e89566e
-5,          0,          0,     4608,     1399, 0x6e89566e
-6,          0,          0,     4608,     1399, 0x6e89566e
-7,          0,          0,     4608,     1396, 0x0dcb5677
-8,          0,          0,     4608,     1396, 0x0dcb5677
-9,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-1,       4608,       4608,     4608,     1442, 0x6c3c5b13
-2,       4608,       4608,     4608,     1442, 0x6c3c5b13
-3,       4608,       4608,     4608,     1442, 0x6c3c5b13
-4,       4608,       4608,     4608,     1442, 0x6c3c5b13
-5,       4608,       4608,     4608,     1442, 0x6c3c5b13
-6,       4608,       4608,     4608,     1442, 0x6c3c5b13
-7,       4608,       4608,     4608,     1439, 0xc46b5ac5
-8,       4608,       4608,     4608,     1439, 0xc46b5ac5
-9,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-1,       9216,       9216,     4608,     1380, 0xc497571b
-2,       9216,       9216,     4608,     1380, 0xc497571b
-3,       9216,       9216,     4608,     1380, 0xc497571b
-4,       9216,       9216,     4608,     1380, 0xc497571b
-5,       9216,       9216,     4608,     1380, 0xc497571b
-6,       9216,       9216,     4608,     1380, 0xc497571b
-7,       9216,       9216,     4608,     1377, 0x5b2a55fe
-8,       9216,       9216,     4608,     1377, 0x5b2a55fe
-9,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-1,      13824,      13824,     4608,     1383, 0x48e9510f
-2,      13824,      13824,     4608,     1383, 0x48e9510f
-3,      13824,      13824,     4608,     1383, 0x48e9510f
-4,      13824,      13824,     4608,     1383, 0x48e9510f
-5,      13824,      13824,     4608,     1383, 0x48e9510f
-6,      13824,      13824,     4608,     1383, 0x48e9510f
-7,      13824,      13824,     4608,     1380, 0x045550d3
-8,      13824,      13824,     4608,     1380, 0x045550d3
-9,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-1,      18432,      18432,     4608,     1572, 0x9a514719
-2,      18432,      18432,     4608,     1572, 0x9a514719
-3,      18432,      18432,     4608,     1572, 0x9a514719
-4,      18432,      18432,     4608,     1572, 0x9a514719
-5,      18432,      18432,     4608,     1572, 0x9a514719
-6,      18432,      18432,     4608,     1572, 0x9a514719
-7,      18432,      18432,     4608,     1568, 0xa2bc45f4
-8,      18432,      18432,     4608,     1568, 0xa2bc45f4
-9,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-1,      23040,      23040,     4608,     1391, 0x74ac5014
-2,      23040,      23040,     4608,     1391, 0x74ac5014
-3,      23040,      23040,     4608,     1391, 0x74ac5014
-4,      23040,      23040,     4608,     1391, 0x74ac5014
-5,      23040,      23040,     4608,     1391, 0x74ac5014
-6,      23040,      23040,     4608,     1391, 0x74ac5014
-7,      23040,      23040,     4608,     1388, 0x96c85007
-8,      23040,      23040,     4608,     1388, 0x96c85007
-9,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-1,      27648,      27648,     4608,     1422, 0x2f9d47c5
-2,      27648,      27648,     4608,     1422, 0x2f9d47c5
-3,      27648,      27648,     4608,     1422, 0x2f9d47c5
-4,      27648,      27648,     4608,     1422, 0x2f9d47c5
-5,      27648,      27648,     4608,     1422, 0x2f9d47c5
-6,      27648,      27648,     4608,     1422, 0x2f9d47c5
-7,      27648,      27648,     4608,     1419, 0x4d4d466a
-8,      27648,      27648,     4608,     1419, 0x4d4d466a
-9,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-1,      32256,      32256,     4608,     1768, 0x2a044b99
-2,      32256,      32256,     4608,     1768, 0x2a044b99
-3,      32256,      32256,     4608,     1768, 0x2a044b99
-4,      32256,      32256,     4608,     1768, 0x2a044b99
-5,      32256,      32256,     4608,     1768, 0x2a044b99
-6,      32256,      32256,     4608,     1768, 0x2a044b99
-7,      32256,      32256,     4608,     1765, 0xacb84b24
-8,      32256,      32256,     4608,     1765, 0xacb84b24
-9,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-1,      36864,      36864,     4608,     1534, 0xb0b35a3f
-2,      36864,      36864,     4608,     1534, 0xb0b35a3f
-3,      36864,      36864,     4608,     1534, 0xb0b35a3f
-4,      36864,      36864,     4608,     1534, 0xb0b35a3f
-5,      36864,      36864,     4608,     1534, 0xb0b35a3f
-6,      36864,      36864,     4608,     1534, 0xb0b35a3f
-7,      36864,      36864,     4608,     1531, 0x996458aa
-8,      36864,      36864,     4608,     1531, 0x996458aa
-9,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     4608,      926, 0xc26a5eae
-1,      41472,      41472,     4608,      926, 0xc26a5eae
-2,      41472,      41472,     4608,      926, 0xc26a5eae
-3,      41472,      41472,     4608,      926, 0xc26a5eae
-4,      41472,      41472,     4608,      926, 0xc26a5eae
-5,      41472,      41472,     4608,      926, 0xc26a5eae
-6,      41472,      41472,     4608,      926, 0xc26a5eae
-7,      41472,      41472,     4608,      923, 0xa7225edf
-8,      41472,      41472,     4608,      923, 0xa7225edf
-9,      41472,      41472,     4608,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+1,          0,          0,     4096,     1323, 0xb9bc0f9a
+2,          0,          0,     4096,     1323, 0xb9bc0f9a
+3,          0,          0,     4096,     1323, 0xb9bc0f9a
+4,          0,          0,     4096,     1323, 0xb9bc0f9a
+5,          0,          0,     4096,     1323, 0xb9bc0f9a
+6,          0,          0,     4096,     1323, 0xb9bc0f9a
+7,          0,          0,     4096,     1320, 0x45220e92
+8,          0,          0,     4096,     1320, 0x45220e92
+9,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+1,       4096,       4096,     4096,     1254, 0xf7e910bc
+2,       4096,       4096,     4096,     1254, 0xf7e910bc
+3,       4096,       4096,     4096,     1254, 0xf7e910bc
+4,       4096,       4096,     4096,     1254, 0xf7e910bc
+5,       4096,       4096,     4096,     1254, 0xf7e910bc
+6,       4096,       4096,     4096,     1254, 0xf7e910bc
+7,       4096,       4096,     4096,     1251, 0x70521040
+8,       4096,       4096,     4096,     1251, 0x70521040
+9,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+1,       8192,       8192,     4096,     1320, 0xe4fe09c9
+2,       8192,       8192,     4096,     1320, 0xe4fe09c9
+3,       8192,       8192,     4096,     1320, 0xe4fe09c9
+4,       8192,       8192,     4096,     1320, 0xe4fe09c9
+5,       8192,       8192,     4096,     1320, 0xe4fe09c9
+6,       8192,       8192,     4096,     1320, 0xe4fe09c9
+7,       8192,       8192,     4096,     1317, 0x6c5408ea
+8,       8192,       8192,     4096,     1317, 0x6c5408ea
+9,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+1,      12288,      12288,     4096,     1280, 0x22e9127e
+2,      12288,      12288,     4096,     1280, 0x22e9127e
+3,      12288,      12288,     4096,     1280, 0x22e9127e
+4,      12288,      12288,     4096,     1280, 0x22e9127e
+5,      12288,      12288,     4096,     1280, 0x22e9127e
+6,      12288,      12288,     4096,     1280, 0x22e9127e
+7,      12288,      12288,     4096,     1277, 0xa6e11330
+8,      12288,      12288,     4096,     1277, 0xa6e11330
+9,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+1,      16384,      16384,     4096,     1331, 0x8bc61bbf
+2,      16384,      16384,     4096,     1331, 0x8bc61bbf
+3,      16384,      16384,     4096,     1331, 0x8bc61bbf
+4,      16384,      16384,     4096,     1331, 0x8bc61bbf
+5,      16384,      16384,     4096,     1331, 0x8bc61bbf
+6,      16384,      16384,     4096,     1331, 0x8bc61bbf
+7,      16384,      16384,     4096,     1328, 0x21371b83
+8,      16384,      16384,     4096,     1328, 0x21371b83
+9,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+1,      20480,      20480,     4096,     1267, 0x2c4708fa
+2,      20480,      20480,     4096,     1267, 0x2c4708fa
+3,      20480,      20480,     4096,     1267, 0x2c4708fa
+4,      20480,      20480,     4096,     1267, 0x2c4708fa
+5,      20480,      20480,     4096,     1267, 0x2c4708fa
+6,      20480,      20480,     4096,     1267, 0x2c4708fa
+7,      20480,      20480,     4096,     1264, 0x4358080b
+8,      20480,      20480,     4096,     1264, 0x4358080b
+9,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+1,      24576,      24576,     4096,     1282, 0x0438152d
+2,      24576,      24576,     4096,     1282, 0x0438152d
+3,      24576,      24576,     4096,     1282, 0x0438152d
+4,      24576,      24576,     4096,     1282, 0x0438152d
+5,      24576,      24576,     4096,     1282, 0x0438152d
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+9,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+1,      28672,      28672,     4096,     1313, 0x2e79ffa2
+2,      28672,      28672,     4096,     1313, 0x2e79ffa2
+3,      28672,      28672,     4096,     1313, 0x2e79ffa2
+4,      28672,      28672,     4096,     1313, 0x2e79ffa2
+5,      28672,      28672,     4096,     1313, 0x2e79ffa2
+6,      28672,      28672,     4096,     1313, 0x2e79ffa2
+7,      28672,      28672,     4096,     1310, 0x1f77ff91
+8,      28672,      28672,     4096,     1310, 0x1f77ff91
+9,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+1,      32768,      32768,     4096,     1323, 0xb9f70fce
+2,      32768,      32768,     4096,     1323, 0xb9f70fce
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+8,      32768,      32768,     4096,     1320, 0xea180f1a
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+0,      36864,      36864,     4096,     1254, 0xf6f01051
+1,      36864,      36864,     4096,     1254, 0xf6f01051
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+3,      36864,      36864,     4096,     1254, 0xf6f01051
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+5,      36864,      36864,     4096,     1254, 0xf6f01051
+6,      36864,      36864,     4096,     1254, 0xf6f01051
+7,      36864,      36864,     4096,     1251, 0x0b380fcb
+8,      36864,      36864,     4096,     1251, 0x0b380fcb
+9,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     4096,     1096, 0xa3059b16
+1,      40960,      40960,     4096,     1096, 0xa3059b16
+2,      40960,      40960,     4096,     1096, 0xa3059b16
+3,      40960,      40960,     4096,     1096, 0xa3059b16
+4,      40960,      40960,     4096,     1096, 0xa3059b16
+5,      40960,      40960,     4096,     1096, 0xa3059b16
+6,      40960,      40960,     4096,     1096, 0xa3059b16
+7,      40960,      40960,     4096,     1093, 0x6c429ba0
+8,      40960,      40960,     4096,     1093, 0x6c429ba0
+9,      40960,      40960,     4096,     1096, 0xa3059b16
 [STREAM_GROUP]
 index=0
 id=0x1
diff --git a/tests/ref/fate/iamf-ambisonic_1 b/tests/ref/fate/iamf-ambisonic_1
index e43f891597..00b2adab59 100644
--- a/tests/ref/fate/iamf-ambisonic_1
+++ b/tests/ref/fate/iamf-ambisonic_1
@@ -1,9 +1,9 @@
-c3751e6a2d85bd6a8318fe93b5754309 *tests/data/fate/iamf-ambisonic_1.iamf
-57006 tests/data/fate/iamf-ambisonic_1.iamf
-#extradata 0:       34, 0xad120cfe
-#extradata 1:       34, 0xad120cfe
-#extradata 2:       34, 0xad120cfe
-#extradata 3:       34, 0xad120cfe
+117fe12702c74a75cac1129c2cec427f *tests/data/fate/iamf-ambisonic_1.iamf
+56314 tests/data/fate/iamf-ambisonic_1.iamf
+#extradata 0:       34, 0x917c0bef
+#extradata 1:       34, 0x917c0bef
+#extradata 2:       34, 0x917c0bef
+#extradata 3:       34, 0x917c0bef
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -24,46 +24,50 @@ c3751e6a2d85bd6a8318fe93b5754309 
*tests/data/fate/iamf-ambisonic_1.iamf
 #codec_id 3: flac
 #sample_rate 3: 44100
 #channel_layout_name 3: mono
-0,          0,          0,     4608,     1396, 0x0dcb5677
-1,          0,          0,     4608,     1396, 0x0dcb5677
-2,          0,          0,     4608,     1396, 0x0dcb5677
-3,          0,          0,     4608,     1396, 0x0dcb5677
-0,       4608,       4608,     4608,     1439, 0xc46b5ac5
-1,       4608,       4608,     4608,     1439, 0xc46b5ac5
-2,       4608,       4608,     4608,     1439, 0xc46b5ac5
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-0,       9216,       9216,     4608,     1377, 0x5b2a55fe
-1,       9216,       9216,     4608,     1377, 0x5b2a55fe
-2,       9216,       9216,     4608,     1377, 0x5b2a55fe
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-0,      13824,      13824,     4608,     1380, 0x045550d3
-1,      13824,      13824,     4608,     1380, 0x045550d3
-2,      13824,      13824,     4608,     1380, 0x045550d3
-3,      13824,      13824,     4608,     1380, 0x045550d3
-0,      18432,      18432,     4608,     1568, 0xa2bc45f4
-1,      18432,      18432,     4608,     1568, 0xa2bc45f4
-2,      18432,      18432,     4608,     1568, 0xa2bc45f4
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-0,      23040,      23040,     4608,     1388, 0x96c85007
-1,      23040,      23040,     4608,     1388, 0x96c85007
-2,      23040,      23040,     4608,     1388, 0x96c85007
-3,      23040,      23040,     4608,     1388, 0x96c85007
-0,      27648,      27648,     4608,     1419, 0x4d4d466a
-1,      27648,      27648,     4608,     1419, 0x4d4d466a
-2,      27648,      27648,     4608,     1419, 0x4d4d466a
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-0,      32256,      32256,     4608,     1765, 0xacb84b24
-1,      32256,      32256,     4608,     1765, 0xacb84b24
-2,      32256,      32256,     4608,     1765, 0xacb84b24
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-0,      36864,      36864,     4608,     1531, 0x996458aa
-1,      36864,      36864,     4608,     1531, 0x996458aa
-2,      36864,      36864,     4608,     1531, 0x996458aa
-3,      36864,      36864,     4608,     1531, 0x996458aa
-0,      41472,      41472,     4608,      923, 0xa7225edf
-1,      41472,      41472,     4608,      923, 0xa7225edf
-2,      41472,      41472,     4608,      923, 0xa7225edf
-3,      41472,      41472,     4608,      923, 0xa7225edf
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+0,       4096,       4096,     4096,     1251, 0x70521040
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+3,       4096,       4096,     4096,     1251, 0x70521040
+0,       8192,       8192,     4096,     1317, 0x6c5408ea
+1,       8192,       8192,     4096,     1317, 0x6c5408ea
+2,       8192,       8192,     4096,     1317, 0x6c5408ea
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+0,      12288,      12288,     4096,     1277, 0xa6e11330
+1,      12288,      12288,     4096,     1277, 0xa6e11330
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+0,      16384,      16384,     4096,     1328, 0x21371b83
+1,      16384,      16384,     4096,     1328, 0x21371b83
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+0,      20480,      20480,     4096,     1264, 0x4358080b
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+0,      24576,      24576,     4096,     1279, 0xf63b158e
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+3,      24576,      24576,     4096,     1279, 0xf63b158e
+0,      28672,      28672,     4096,     1310, 0x1f77ff91
+1,      28672,      28672,     4096,     1310, 0x1f77ff91
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+0,      32768,      32768,     4096,     1320, 0xea180f1a
+1,      32768,      32768,     4096,     1320, 0xea180f1a
+2,      32768,      32768,     4096,     1320, 0xea180f1a
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+0,      36864,      36864,     4096,     1251, 0x0b380fcb
+1,      36864,      36864,     4096,     1251, 0x0b380fcb
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+0,      40960,      40960,     4096,     1093, 0x6c429ba0
+1,      40960,      40960,     4096,     1093, 0x6c429ba0
+2,      40960,      40960,     4096,     1093, 0x6c429ba0
+3,      40960,      40960,     4096,     1093, 0x6c429ba0
 [STREAM_GROUP]
 index=0
 id=0x1
diff --git a/tests/ref/fate/iamf-ambisonic_1-projection 
b/tests/ref/fate/iamf-ambisonic_1-projection
index 78b5a743b6..983c8812c0 100644
--- a/tests/ref/fate/iamf-ambisonic_1-projection
+++ b/tests/ref/fate/iamf-ambisonic_1-projection
@@ -1,9 +1,9 @@
-b87b28ca89da92d540047e8ad30bd470 
*tests/data/fate/iamf-ambisonic_1-projection.iamf
-57035 tests/data/fate/iamf-ambisonic_1-projection.iamf
-#extradata 0:       34, 0xad120cfe
-#extradata 1:       34, 0xad120cfe
-#extradata 2:       34, 0xad120cfe
-#extradata 3:       34, 0xad120cfe
+301f9c2821dc24b3763ac3f4a19ea141 
*tests/data/fate/iamf-ambisonic_1-projection.iamf
+56343 tests/data/fate/iamf-ambisonic_1-projection.iamf
+#extradata 0:       34, 0x917c0bef
+#extradata 1:       34, 0x917c0bef
+#extradata 2:       34, 0x917c0bef
+#extradata 3:       34, 0x917c0bef
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -24,46 +24,50 @@ b87b28ca89da92d540047e8ad30bd470 
*tests/data/fate/iamf-ambisonic_1-projection.ia
 #codec_id 3: flac
 #sample_rate 3: 44100
 #channel_layout_name 3: mono
-0,          0,          0,     4608,     1396, 0x0dcb5677
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-3,      41472,      41472,     4608,      923, 0xa7225edf
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+0,      36864,      36864,     4096,     1251, 0x0b380fcb
+1,      36864,      36864,     4096,     1251, 0x0b380fcb
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+0,      40960,      40960,     4096,     1093, 0x6c429ba0
+1,      40960,      40960,     4096,     1093, 0x6c429ba0
+2,      40960,      40960,     4096,     1093, 0x6c429ba0
+3,      40960,      40960,     4096,     1093, 0x6c429ba0
 [STREAM_GROUP]
 index=0
 id=0x1
diff --git a/tests/ref/fate/iamf-stereo b/tests/ref/fate/iamf-stereo
index 843d1525e5..5a0567df6e 100644
--- a/tests/ref/fate/iamf-stereo
+++ b/tests/ref/fate/iamf-stereo
@@ -1,21 +1,22 @@
-4000d96f7363212c5a75c6f7fa5756f5 *tests/data/fate/iamf-stereo.iamf
-14426 tests/data/fate/iamf-stereo.iamf
-#extradata 0:       34, 0xafa70d5e
+6367d64b7488bb90a1c9d8fbe05458da *tests/data/fate/iamf-stereo.iamf
+14255 tests/data/fate/iamf-stereo.iamf
+#extradata 0:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     4608,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     4096,     1096, 0xa3059b16
 [STREAM_GROUP]
 index=0
 id=0x1
diff --git a/tests/ref/fate/matroska-flac-extradata-update 
b/tests/ref/fate/matroska-flac-extradata-update
index 7bd2080f08..79acbb7426 100644
--- a/tests/ref/fate/matroska-flac-extradata-update
+++ b/tests/ref/fate/matroska-flac-extradata-update
@@ -1,8 +1,8 @@
-099e0feb5990575e2b46ed9abafc998a 
*tests/data/fate/matroska-flac-extradata-update.matroska
+75ec39f0faaaff953e2d46b431acc307 
*tests/data/fate/matroska-flac-extradata-update.matroska
 1828 tests/data/fate/matroska-flac-extradata-update.matroska
-#extradata 0:       34, 0x93650c81
-#extradata 1:       34, 0x93650c81
-#extradata 2:       34, 0x93650c81
+#extradata 0:       34, 0x7166090c
+#extradata 1:       34, 0x7166090c
+#extradata 2:       34, 0x7166090c
 #tb 0: 1/1000
 #media_type 0: audio
 #codec_id 0: flac
@@ -18,27 +18,27 @@
 #codec_id 2: flac
 #sample_rate 2: 48000
 #channel_layout_name 2: 5.1
-0,          0,          0,       96,       26, 0x4e160341
-1,          0,          0,       96,       26, 0x4e160341
-2,          0,          0,       96,       26, 0x4e160341
-0,         96,         96,       96,       26, 0x4e17035c
-1,         96,         96,       96,       26, 0x4e17035c
-2,         96,         96,       96,       26, 0x4e17035c
-0,        192,        192,       96,       26, 0x4de40383
-1,        192,        192,       96,       26, 0x4de40383
-2,        192,        192,       96,       26, 0x4de40383
-0,        288,        288,       96,       26, 0x4e3903a2
-1,        288,        288,       96,       26, 0x4e3903a2
-2,        288,        288,       96,       26, 0x4e3903a2
-0,        384,        384,       96,       26, 0x4f9a03d5
-1,        384,        384,       96,       26, 0x4f9a03d5
-2,        384,        384,       96,       26, 0x4f9a03d5
-0,        480,        480,       96,       26, 0x501303e0
-1,        480,        480,       96,       26, 0x501303e0
-2,        480,        480,       96,       26, 0x501303e0
-0,        576,        576,       96,       26, 0x5160042f
-1,        576,        576,       96,       26, 0x5160042f
-2,        576,        576,       96,       26, 0x5160042f
-0,        672,        672,       96,       26, 0x50dd042e
-1,        672,        672,       96,       26, 0x50dd042e
-2,        672,        672,       96,       26, 0x50dd042e
+0,          0,          0,       85,       26, 0x50f80431
+1,          0,          0,       85,       26, 0x50f80431
+2,          0,          0,       85,       26, 0x50f80431
+0,         85,         85,       85,       26, 0x50d30416
+1,         85,         85,       85,       26, 0x50d30416
+2,         85,         85,       85,       26, 0x50d30416
+0,        171,        171,       85,       26, 0x51ee046f
+1,        171,        171,       85,       26, 0x51ee046f
+2,        171,        171,       85,       26, 0x51ee046f
+0,        256,        256,       85,       26, 0x521d0458
+1,        256,        256,       85,       26, 0x521d0458
+2,        256,        256,       85,       26, 0x521d0458
+0,        341,        341,       85,       26, 0x531c043d
+1,        341,        341,       85,       26, 0x531c043d
+2,        341,        341,       85,       26, 0x531c043d
+0,        427,        427,       85,       26, 0x53cf0442
+1,        427,        427,       85,       26, 0x53cf0442
+2,        427,        427,       85,       26, 0x53cf0442
+0,        512,        512,       85,       26, 0x536a0473
+1,        512,        512,       85,       26, 0x536a0473
+2,        512,        512,       85,       26, 0x536a0473
+0,        597,        597,       85,       26, 0x5321046c
+1,        597,        597,       85,       26, 0x5321046c
+2,        597,        597,       85,       26, 0x5321046c
diff --git a/tests/ref/fate/mov-mp4-iamf-5_1_4 
b/tests/ref/fate/mov-mp4-iamf-5_1_4
index 9eaa5ee42d..e5ce65f8e6 100644
--- a/tests/ref/fate/mov-mp4-iamf-5_1_4
+++ b/tests/ref/fate/mov-mp4-iamf-5_1_4
@@ -1,11 +1,11 @@
-0316d0a483480ccd582fd20f06c77420 *tests/data/fate/mov-mp4-iamf-5_1_4.mp4
-86340 tests/data/fate/mov-mp4-iamf-5_1_4.mp4
-#extradata 0:       34, 0xafa70d5e
-#extradata 1:       34, 0xafa70d5e
-#extradata 2:       34, 0xaf7b0d5c
-#extradata 3:       34, 0xaf7b0d5c
-#extradata 4:       34, 0xafa70d5e
-#extradata 5:       34, 0xafa70d5e
+e36699ae6a8a167c38f9fdbee2dd64c3 *tests/data/fate/mov-mp4-iamf-5_1_4.mp4
+85314 tests/data/fate/mov-mp4-iamf-5_1_4.mp4
+#extradata 0:       34, 0x94110c4f
+#extradata 1:       34, 0x94110c4f
+#extradata 2:       34, 0x93e50c4d
+#extradata 3:       34, 0x93e50c4d
+#extradata 4:       34, 0x94110c4f
+#extradata 5:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -36,66 +36,72 @@
 #codec_id 5: flac
 #sample_rate 5: 44100
 #channel_layout_name 5: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-1,          0,          0,     4608,     1399, 0x6e89566e
-2,          0,          0,     4608,     1396, 0x0dcb5677
-3,          0,          0,     4608,     1396, 0x0dcb5677
-4,          0,          0,     4608,     1399, 0x6e89566e
-5,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-1,       4608,       4608,     4608,     1442, 0x6c3c5b13
-2,       4608,       4608,     4608,     1439, 0xc46b5ac5
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-4,       4608,       4608,     4608,     1442, 0x6c3c5b13
-5,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-1,       9216,       9216,     4608,     1380, 0xc497571b
-2,       9216,       9216,     4608,     1377, 0x5b2a55fe
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-4,       9216,       9216,     4608,     1380, 0xc497571b
-5,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-1,      13824,      13824,     4608,     1383, 0x48e9510f
-2,      13824,      13824,     4608,     1380, 0x045550d3
-3,      13824,      13824,     4608,     1380, 0x045550d3
-4,      13824,      13824,     4608,     1383, 0x48e9510f
-5,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-1,      18432,      18432,     4608,     1572, 0x9a514719
-2,      18432,      18432,     4608,     1568, 0xa2bc45f4
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-4,      18432,      18432,     4608,     1572, 0x9a514719
-5,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-1,      23040,      23040,     4608,     1391, 0x74ac5014
-2,      23040,      23040,     4608,     1388, 0x96c85007
-3,      23040,      23040,     4608,     1388, 0x96c85007
-4,      23040,      23040,     4608,     1391, 0x74ac5014
-5,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-1,      27648,      27648,     4608,     1422, 0x2f9d47c5
-2,      27648,      27648,     4608,     1419, 0x4d4d466a
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-4,      27648,      27648,     4608,     1422, 0x2f9d47c5
-5,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-1,      32256,      32256,     4608,     1768, 0x2a044b99
-2,      32256,      32256,     4608,     1765, 0xacb84b24
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-4,      32256,      32256,     4608,     1768, 0x2a044b99
-5,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-1,      36864,      36864,     4608,     1534, 0xb0b35a3f
-2,      36864,      36864,     4608,     1531, 0x996458aa
-3,      36864,      36864,     4608,     1531, 0x996458aa
-4,      36864,      36864,     4608,     1534, 0xb0b35a3f
-5,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     2628,      926, 0xc26a5eae
-1,      41472,      41472,     2628,      926, 0xc26a5eae
-2,      41472,      41472,     2628,      923, 0xa7225edf
-3,      41472,      41472,     2628,      923, 0xa7225edf
-4,      41472,      41472,     2628,      926, 0xc26a5eae
-5,      41472,      41472,     2628,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+1,          0,          0,     4096,     1323, 0xb9bc0f9a
+2,          0,          0,     4096,     1320, 0x45220e92
+3,          0,          0,     4096,     1320, 0x45220e92
+4,          0,          0,     4096,     1323, 0xb9bc0f9a
+5,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+1,       4096,       4096,     4096,     1254, 0xf7e910bc
+2,       4096,       4096,     4096,     1251, 0x70521040
+3,       4096,       4096,     4096,     1251, 0x70521040
+4,       4096,       4096,     4096,     1254, 0xf7e910bc
+5,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+1,       8192,       8192,     4096,     1320, 0xe4fe09c9
+2,       8192,       8192,     4096,     1317, 0x6c5408ea
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+4,       8192,       8192,     4096,     1320, 0xe4fe09c9
+5,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+1,      12288,      12288,     4096,     1280, 0x22e9127e
+2,      12288,      12288,     4096,     1277, 0xa6e11330
+3,      12288,      12288,     4096,     1277, 0xa6e11330
+4,      12288,      12288,     4096,     1280, 0x22e9127e
+5,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+1,      16384,      16384,     4096,     1331, 0x8bc61bbf
+2,      16384,      16384,     4096,     1328, 0x21371b83
+3,      16384,      16384,     4096,     1328, 0x21371b83
+4,      16384,      16384,     4096,     1331, 0x8bc61bbf
+5,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+1,      20480,      20480,     4096,     1267, 0x2c4708fa
+2,      20480,      20480,     4096,     1264, 0x4358080b
+3,      20480,      20480,     4096,     1264, 0x4358080b
+4,      20480,      20480,     4096,     1267, 0x2c4708fa
+5,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+1,      24576,      24576,     4096,     1282, 0x0438152d
+2,      24576,      24576,     4096,     1279, 0xf63b158e
+3,      24576,      24576,     4096,     1279, 0xf63b158e
+4,      24576,      24576,     4096,     1282, 0x0438152d
+5,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+1,      28672,      28672,     4096,     1313, 0x2e79ffa2
+2,      28672,      28672,     4096,     1310, 0x1f77ff91
+3,      28672,      28672,     4096,     1310, 0x1f77ff91
+4,      28672,      28672,     4096,     1313, 0x2e79ffa2
+5,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+1,      32768,      32768,     4096,     1323, 0xb9f70fce
+2,      32768,      32768,     4096,     1320, 0xea180f1a
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+4,      32768,      32768,     4096,     1323, 0xb9f70fce
+5,      32768,      32768,     4096,     1323, 0xb9f70fce
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+1,      36864,      36864,     4096,     1254, 0xf6f01051
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+4,      36864,      36864,     4096,     1254, 0xf6f01051
+5,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     3140,     1096, 0xa3059b16
+1,      40960,      40960,     3140,     1096, 0xa3059b16
+2,      40960,      40960,     3140,     1093, 0x6c429ba0
+3,      40960,      40960,     3140,     1093, 0x6c429ba0
+4,      40960,      40960,     3140,     1096, 0xa3059b16
+5,      40960,      40960,     3140,     1096, 0xa3059b16
 [STREAM_GROUP]
 index=0
 id=0x1
@@ -131,10 +137,10 @@ nb_subblocks=1
 type=1
 parameter_id=998
 parameter_rate=44100
-duration=4608
-constant_subblock_duration=4608
+duration=4096
+constant_subblock_duration=4096
 [PIECE]
-subblock_duration=4608
+subblock_duration=4096
 dmixp_mode=1
 [/PIECE]
 [/SUBCOMPONENT]
diff --git a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first 
b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first
index 50867b4f2b..543226f4dd 100644
--- a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first
+++ b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first
@@ -1,11 +1,11 @@
 #extradata 0:       30, 0x47ab0576
-#extradata 1:       34, 0xafa70d5e
-#extradata 2:       34, 0xafa70d5e
-#extradata 3:       34, 0xaf7b0d5c
-#extradata 4:       34, 0xaf7b0d5c
-#extradata 5:       34, 0xafa70d5e
-#extradata 6:       34, 0xafa70d5e
-#extradata 7:       34, 0xafa70d5e
+#extradata 1:       34, 0x94110c4f
+#extradata 2:       34, 0x94110c4f
+#extradata 3:       34, 0x93e50c4d
+#extradata 4:       34, 0x93e50c4d
+#extradata 5:       34, 0x94110c4f
+#extradata 6:       34, 0x94110c4f
+#extradata 7:       34, 0x94110c4f
 #tb 0: 1/12800
 #media_type 0: video
 #codec_id 0: mpeg4
@@ -47,99 +47,106 @@
 #sample_rate 7: 44100
 #channel_layout_name 7: stereo
 0,          0,          0,      512,    42002, 0xef0e5124
-1,          0,          0,     4608,     1399, 0x6e89566e
-2,          0,          0,     4608,     1399, 0x6e89566e
-3,          0,          0,     4608,     1396, 0x0dcb5677
-4,          0,          0,     4608,     1396, 0x0dcb5677
-5,          0,          0,     4608,     1399, 0x6e89566e
-6,          0,          0,     4608,     1399, 0x6e89566e
-7,          0,          0,     4608,     1399, 0x6e89566e
+1,          0,          0,     4096,     1323, 0xb9bc0f9a
+2,          0,          0,     4096,     1323, 0xb9bc0f9a
+3,          0,          0,     4096,     1320, 0x45220e92
+4,          0,          0,     4096,     1320, 0x45220e92
+5,          0,          0,     4096,     1323, 0xb9bc0f9a
+6,          0,          0,     4096,     1323, 0xb9bc0f9a
+7,          0,          0,     4096,     1323, 0xb9bc0f9a
 0,        512,        512,      512,    52619, 0xc794e830, F=0x0
 0,       1024,       1024,      512,    51242, 0xf2f6be7f, F=0x0
-1,       4608,       4608,     4608,     1442, 0x6c3c5b13
-2,       4608,       4608,     4608,     1442, 0x6c3c5b13
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-4,       4608,       4608,     4608,     1439, 0xc46b5ac5
-5,       4608,       4608,     4608,     1442, 0x6c3c5b13
-6,       4608,       4608,     4608,     1442, 0x6c3c5b13
-7,       4608,       4608,     4608,     1442, 0x6c3c5b13
+1,       4096,       4096,     4096,     1254, 0xf7e910bc
+2,       4096,       4096,     4096,     1254, 0xf7e910bc
+3,       4096,       4096,     4096,     1251, 0x70521040
+4,       4096,       4096,     4096,     1251, 0x70521040
+5,       4096,       4096,     4096,     1254, 0xf7e910bc
+6,       4096,       4096,     4096,     1254, 0xf7e910bc
+7,       4096,       4096,     4096,     1254, 0xf7e910bc
 0,       1536,       1536,      512,    49320, 0xe87a921f, F=0x0
 0,       2048,       2048,      512,    22461, 0xc858a20b, F=0x0
+1,       8192,       8192,     4096,     1320, 0xe4fe09c9
+2,       8192,       8192,     4096,     1320, 0xe4fe09c9
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+4,       8192,       8192,     4096,     1317, 0x6c5408ea
+5,       8192,       8192,     4096,     1320, 0xe4fe09c9
+6,       8192,       8192,     4096,     1320, 0xe4fe09c9
+7,       8192,       8192,     4096,     1320, 0xe4fe09c9
 0,       2560,       2560,      512,    16731, 0x04beb863, F=0x0
-1,       9216,       9216,     4608,     1380, 0xc497571b
-2,       9216,       9216,     4608,     1380, 0xc497571b
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-4,       9216,       9216,     4608,     1377, 0x5b2a55fe
-5,       9216,       9216,     4608,     1380, 0xc497571b
-6,       9216,       9216,     4608,     1380, 0xc497571b
-7,       9216,       9216,     4608,     1380, 0xc497571b
 0,       3072,       3072,      512,     9983, 0x091aa8e8, F=0x0
+1,      12288,      12288,     4096,     1280, 0x22e9127e
+2,      12288,      12288,     4096,     1280, 0x22e9127e
+3,      12288,      12288,     4096,     1277, 0xa6e11330
+4,      12288,      12288,     4096,     1277, 0xa6e11330
+5,      12288,      12288,     4096,     1280, 0x22e9127e
+6,      12288,      12288,     4096,     1280, 0x22e9127e
+7,      12288,      12288,     4096,     1280, 0x22e9127e
 0,       3584,       3584,      512,     6991, 0xa0385313, F=0x0
-1,      13824,      13824,     4608,     1383, 0x48e9510f
-2,      13824,      13824,     4608,     1383, 0x48e9510f
-3,      13824,      13824,     4608,     1380, 0x045550d3
-4,      13824,      13824,     4608,     1380, 0x045550d3
-5,      13824,      13824,     4608,     1383, 0x48e9510f
-6,      13824,      13824,     4608,     1383, 0x48e9510f
-7,      13824,      13824,     4608,     1383, 0x48e9510f
 0,       4096,       4096,      512,     5825, 0x3c97cfbc, F=0x0
 0,       4608,       4608,      512,     4331, 0xbaf5f982, F=0x0
+1,      16384,      16384,     4096,     1331, 0x8bc61bbf
+2,      16384,      16384,     4096,     1331, 0x8bc61bbf
+3,      16384,      16384,     4096,     1328, 0x21371b83
+4,      16384,      16384,     4096,     1328, 0x21371b83
+5,      16384,      16384,     4096,     1331, 0x8bc61bbf
+6,      16384,      16384,     4096,     1331, 0x8bc61bbf
+7,      16384,      16384,     4096,     1331, 0x8bc61bbf
 0,       5120,       5120,      512,     2541, 0xe018c3cb, F=0x0
-1,      18432,      18432,     4608,     1572, 0x9a514719
-2,      18432,      18432,     4608,     1572, 0x9a514719
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-4,      18432,      18432,     4608,     1568, 0xa2bc45f4
-5,      18432,      18432,     4608,     1572, 0x9a514719
-6,      18432,      18432,     4608,     1572, 0x9a514719
-7,      18432,      18432,     4608,     1572, 0x9a514719
 0,       5632,       5632,      512,     2655, 0xf98af7a1, F=0x0
+1,      20480,      20480,     4096,     1267, 0x2c4708fa
+2,      20480,      20480,     4096,     1267, 0x2c4708fa
+3,      20480,      20480,     4096,     1264, 0x4358080b
+4,      20480,      20480,     4096,     1264, 0x4358080b
+5,      20480,      20480,     4096,     1267, 0x2c4708fa
+6,      20480,      20480,     4096,     1267, 0x2c4708fa
+7,      20480,      20480,     4096,     1267, 0x2c4708fa
 0,       6144,       6144,      512,    13464, 0x33e5196f
 0,       6656,       6656,      512,     2587, 0x90e198aa, F=0x0
-1,      23040,      23040,     4608,     1391, 0x74ac5014
-2,      23040,      23040,     4608,     1391, 0x74ac5014
-3,      23040,      23040,     4608,     1388, 0x96c85007
-4,      23040,      23040,     4608,     1388, 0x96c85007
-5,      23040,      23040,     4608,     1391, 0x74ac5014
-6,      23040,      23040,     4608,     1391, 0x74ac5014
-7,      23040,      23040,     4608,     1391, 0x74ac5014
+1,      24576,      24576,     4096,     1282, 0x0438152d
+2,      24576,      24576,     4096,     1282, 0x0438152d
+3,      24576,      24576,     4096,     1279, 0xf63b158e
+4,      24576,      24576,     4096,     1279, 0xf63b158e
+5,      24576,      24576,     4096,     1282, 0x0438152d
+6,      24576,      24576,     4096,     1282, 0x0438152d
+7,      24576,      24576,     4096,     1282, 0x0438152d
 0,       7168,       7168,      512,     2313, 0x698c429b, F=0x0
 0,       7680,       7680,      512,     2123, 0x63a3f034, F=0x0
-1,      27648,      27648,     4608,     1422, 0x2f9d47c5
-2,      27648,      27648,     4608,     1422, 0x2f9d47c5
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-4,      27648,      27648,     4608,     1419, 0x4d4d466a
-5,      27648,      27648,     4608,     1422, 0x2f9d47c5
-6,      27648,      27648,     4608,     1422, 0x2f9d47c5
-7,      27648,      27648,     4608,     1422, 0x2f9d47c5
 0,       8192,       8192,      512,     2222, 0x442b233d, F=0x0
+1,      28672,      28672,     4096,     1313, 0x2e79ffa2
+2,      28672,      28672,     4096,     1313, 0x2e79ffa2
+3,      28672,      28672,     4096,     1310, 0x1f77ff91
+4,      28672,      28672,     4096,     1310, 0x1f77ff91
+5,      28672,      28672,     4096,     1313, 0x2e79ffa2
+6,      28672,      28672,     4096,     1313, 0x2e79ffa2
+7,      28672,      28672,     4096,     1313, 0x2e79ffa2
 0,       8704,       8704,      512,     2332, 0x24c75b04, F=0x0
 0,       9216,       9216,      512,     2302, 0xa0fa2ee7, F=0x0
-1,      32256,      32256,     4608,     1768, 0x2a044b99
-2,      32256,      32256,     4608,     1768, 0x2a044b99
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-4,      32256,      32256,     4608,     1765, 0xacb84b24
-5,      32256,      32256,     4608,     1768, 0x2a044b99
-6,      32256,      32256,     4608,     1768, 0x2a044b99
-7,      32256,      32256,     4608,     1768, 0x2a044b99
+1,      32768,      32768,     4096,     1323, 0xb9f70fce
+2,      32768,      32768,     4096,     1323, 0xb9f70fce
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+4,      32768,      32768,     4096,     1320, 0xea180f1a
+5,      32768,      32768,     4096,     1323, 0xb9f70fce
+6,      32768,      32768,     4096,     1323, 0xb9f70fce
+7,      32768,      32768,     4096,     1323, 0xb9f70fce
 0,       9728,       9728,      512,     1740, 0xdf772eb3, F=0x0
 0,      10240,      10240,      512,     1994, 0x8830ad23, F=0x0
-1,      36864,      36864,     4608,     1534, 0xb0b35a3f
-2,      36864,      36864,     4608,     1534, 0xb0b35a3f
-3,      36864,      36864,     4608,     1531, 0x996458aa
-4,      36864,      36864,     4608,     1531, 0x996458aa
-5,      36864,      36864,     4608,     1534, 0xb0b35a3f
-6,      36864,      36864,     4608,     1534, 0xb0b35a3f
-7,      36864,      36864,     4608,     1534, 0xb0b35a3f
+1,      36864,      36864,     4096,     1254, 0xf6f01051
+2,      36864,      36864,     4096,     1254, 0xf6f01051
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+4,      36864,      36864,     4096,     1251, 0x0b380fcb
+5,      36864,      36864,     4096,     1254, 0xf6f01051
+6,      36864,      36864,     4096,     1254, 0xf6f01051
+7,      36864,      36864,     4096,     1254, 0xf6f01051
 0,      10752,      10752,      512,     1884, 0x2c567db6, F=0x0
 0,      11264,      11264,      512,     1880, 0x72237c52, F=0x0
 0,      11776,      11776,      512,     1970, 0x60708ff8, F=0x0
-1,      41472,      41472,     2628,      926, 0xc26a5eae
-2,      41472,      41472,     2628,      926, 0xc26a5eae
-3,      41472,      41472,     2628,      923, 0xa7225edf
-4,      41472,      41472,     2628,      923, 0xa7225edf
-5,      41472,      41472,     2628,      926, 0xc26a5eae
-6,      41472,      41472,     2628,      926, 0xc26a5eae
-7,      41472,      41472,     2628,      926, 0xc26a5eae
+1,      40960,      40960,     3140,     1096, 0xa3059b16
+2,      40960,      40960,     3140,     1096, 0xa3059b16
+3,      40960,      40960,     3140,     1093, 0x6c429ba0
+4,      40960,      40960,     3140,     1093, 0x6c429ba0
+5,      40960,      40960,     3140,     1096, 0xa3059b16
+6,      40960,      40960,     3140,     1096, 0xa3059b16
+7,      40960,      40960,     3140,     1096, 0xa3059b16
 0,      12288,      12288,      512,    11659, 0x6bcb830e
 [STREAM_GROUP]
 index=0
@@ -176,10 +183,10 @@ nb_subblocks=1
 type=1
 parameter_id=998
 parameter_rate=44100
-duration=4608
-constant_subblock_duration=4608
+duration=4096
+constant_subblock_duration=4096
 [PIECE]
-subblock_duration=4608
+subblock_duration=4096
 dmixp_mode=1
 [/PIECE]
 [/SUBCOMPONENT]
diff --git a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-2 
b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-2
index 1f86432730..aebc93f25b 100644
--- a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-2
+++ b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-2
@@ -1,16 +1,17 @@
-#extradata 0:       34, 0xafa70d5e
+#extradata 0:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     2628,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     3140,     1096, 0xa3059b16
diff --git a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-3 
b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-3
index 88e4d18e4e..0eda931063 100644
--- a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-3
+++ b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-first-3
@@ -1,16 +1,17 @@
-#extradata 0:       34, 0xaf7b0d5c
+#extradata 0:       34, 0x93e50c4d
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
 #sample_rate 0: 44100
 #channel_layout_name 0: mono
-0,          0,          0,     4608,     1396, 0x0dcb5677
-0,       4608,       4608,     4608,     1439, 0xc46b5ac5
-0,       9216,       9216,     4608,     1377, 0x5b2a55fe
-0,      13824,      13824,     4608,     1380, 0x045550d3
-0,      18432,      18432,     4608,     1568, 0xa2bc45f4
-0,      23040,      23040,     4608,     1388, 0x96c85007
-0,      27648,      27648,     4608,     1419, 0x4d4d466a
-0,      32256,      32256,     4608,     1765, 0xacb84b24
-0,      36864,      36864,     4608,     1531, 0x996458aa
-0,      41472,      41472,     2628,      923, 0xa7225edf
+0,          0,          0,     4096,     1320, 0x45220e92
+0,       4096,       4096,     4096,     1251, 0x70521040
+0,       8192,       8192,     4096,     1317, 0x6c5408ea
+0,      12288,      12288,     4096,     1277, 0xa6e11330
+0,      16384,      16384,     4096,     1328, 0x21371b83
+0,      20480,      20480,     4096,     1264, 0x4358080b
+0,      24576,      24576,     4096,     1279, 0xf63b158e
+0,      28672,      28672,     4096,     1310, 0x1f77ff91
+0,      32768,      32768,     4096,     1320, 0xea180f1a
+0,      36864,      36864,     4096,     1251, 0x0b380fcb
+0,      40960,      40960,     3140,     1093, 0x6c429ba0
diff --git a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-last 
b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-last
index 80c924c821..563a1aa015 100644
--- a/tests/ref/fate/mov-mp4-iamf-7_1_4-video-last
+++ b/tests/ref/fate/mov-mp4-iamf-7_1_4-video-last
@@ -1,12 +1,12 @@
-d398cd7938efbe3dc570b407fe543a31 
*tests/data/fate/mov-mp4-iamf-7_1_4-video-last.mp4
-416629 tests/data/fate/mov-mp4-iamf-7_1_4-video-last.mp4
-#extradata 0:       34, 0xafa70d5e
-#extradata 1:       34, 0xafa70d5e
-#extradata 2:       34, 0xaf7b0d5c
-#extradata 3:       34, 0xaf7b0d5c
-#extradata 4:       34, 0xafa70d5e
-#extradata 5:       34, 0xafa70d5e
-#extradata 6:       34, 0xafa70d5e
+f95fad00863071121aed5243f04b9ff0 
*tests/data/fate/mov-mp4-iamf-7_1_4-video-last.mp4
+415440 tests/data/fate/mov-mp4-iamf-7_1_4-video-last.mp4
+#extradata 0:       34, 0x94110c4f
+#extradata 1:       34, 0x94110c4f
+#extradata 2:       34, 0x93e50c4d
+#extradata 3:       34, 0x93e50c4d
+#extradata 4:       34, 0x94110c4f
+#extradata 5:       34, 0x94110c4f
+#extradata 6:       34, 0x94110c4f
 #extradata 7:       30, 0x47ab0576
 #tb 0: 1/44100
 #media_type 0: audio
@@ -48,100 +48,107 @@ d398cd7938efbe3dc570b407fe543a31 
*tests/data/fate/mov-mp4-iamf-7_1_4-video-last.
 #codec_id 7: mpeg4
 #dimensions 7: 352x288
 #sar 7: 1/1
-0,          0,          0,     4608,     1399, 0x6e89566e
-1,          0,          0,     4608,     1399, 0x6e89566e
-2,          0,          0,     4608,     1396, 0x0dcb5677
-3,          0,          0,     4608,     1396, 0x0dcb5677
-4,          0,          0,     4608,     1399, 0x6e89566e
-5,          0,          0,     4608,     1399, 0x6e89566e
-6,          0,          0,     4608,     1399, 0x6e89566e
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+1,          0,          0,     4096,     1323, 0xb9bc0f9a
+2,          0,          0,     4096,     1320, 0x45220e92
+3,          0,          0,     4096,     1320, 0x45220e92
+4,          0,          0,     4096,     1323, 0xb9bc0f9a
+5,          0,          0,     4096,     1323, 0xb9bc0f9a
+6,          0,          0,     4096,     1323, 0xb9bc0f9a
 7,          0,          0,      512,    42002, 0xef0e5124
 7,        512,        512,      512,    52619, 0xc794e830, F=0x0
 7,       1024,       1024,      512,    51242, 0xf2f6be7f, F=0x0
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-1,       4608,       4608,     4608,     1442, 0x6c3c5b13
-2,       4608,       4608,     4608,     1439, 0xc46b5ac5
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-4,       4608,       4608,     4608,     1442, 0x6c3c5b13
-5,       4608,       4608,     4608,     1442, 0x6c3c5b13
-6,       4608,       4608,     4608,     1442, 0x6c3c5b13
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+1,       4096,       4096,     4096,     1254, 0xf7e910bc
+2,       4096,       4096,     4096,     1251, 0x70521040
+3,       4096,       4096,     4096,     1251, 0x70521040
+4,       4096,       4096,     4096,     1254, 0xf7e910bc
+5,       4096,       4096,     4096,     1254, 0xf7e910bc
+6,       4096,       4096,     4096,     1254, 0xf7e910bc
 7,       1536,       1536,      512,    49320, 0xe87a921f, F=0x0
 7,       2048,       2048,      512,    22461, 0xc858a20b, F=0x0
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+1,       8192,       8192,     4096,     1320, 0xe4fe09c9
+2,       8192,       8192,     4096,     1317, 0x6c5408ea
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+4,       8192,       8192,     4096,     1320, 0xe4fe09c9
+5,       8192,       8192,     4096,     1320, 0xe4fe09c9
+6,       8192,       8192,     4096,     1320, 0xe4fe09c9
 7,       2560,       2560,      512,    16731, 0x04beb863, F=0x0
-0,       9216,       9216,     4608,     1380, 0xc497571b
-1,       9216,       9216,     4608,     1380, 0xc497571b
-2,       9216,       9216,     4608,     1377, 0x5b2a55fe
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-4,       9216,       9216,     4608,     1380, 0xc497571b
-5,       9216,       9216,     4608,     1380, 0xc497571b
-6,       9216,       9216,     4608,     1380, 0xc497571b
 7,       3072,       3072,      512,     9983, 0x091aa8e8, F=0x0
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+1,      12288,      12288,     4096,     1280, 0x22e9127e
+2,      12288,      12288,     4096,     1277, 0xa6e11330
+3,      12288,      12288,     4096,     1277, 0xa6e11330
+4,      12288,      12288,     4096,     1280, 0x22e9127e
+5,      12288,      12288,     4096,     1280, 0x22e9127e
+6,      12288,      12288,     4096,     1280, 0x22e9127e
 7,       3584,       3584,      512,     6991, 0xa0385313, F=0x0
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-1,      13824,      13824,     4608,     1383, 0x48e9510f
-2,      13824,      13824,     4608,     1380, 0x045550d3
-3,      13824,      13824,     4608,     1380, 0x045550d3
-4,      13824,      13824,     4608,     1383, 0x48e9510f
-5,      13824,      13824,     4608,     1383, 0x48e9510f
-6,      13824,      13824,     4608,     1383, 0x48e9510f
 7,       4096,       4096,      512,     5825, 0x3c97cfbc, F=0x0
 7,       4608,       4608,      512,     4331, 0xbaf5f982, F=0x0
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+1,      16384,      16384,     4096,     1331, 0x8bc61bbf
+2,      16384,      16384,     4096,     1328, 0x21371b83
+3,      16384,      16384,     4096,     1328, 0x21371b83
+4,      16384,      16384,     4096,     1331, 0x8bc61bbf
+5,      16384,      16384,     4096,     1331, 0x8bc61bbf
+6,      16384,      16384,     4096,     1331, 0x8bc61bbf
 7,       5120,       5120,      512,     2541, 0xe018c3cb, F=0x0
-0,      18432,      18432,     4608,     1572, 0x9a514719
-1,      18432,      18432,     4608,     1572, 0x9a514719
-2,      18432,      18432,     4608,     1568, 0xa2bc45f4
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-4,      18432,      18432,     4608,     1572, 0x9a514719
-5,      18432,      18432,     4608,     1572, 0x9a514719
-6,      18432,      18432,     4608,     1572, 0x9a514719
 7,       5632,       5632,      512,     2655, 0xf98af7a1, F=0x0
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+1,      20480,      20480,     4096,     1267, 0x2c4708fa
+2,      20480,      20480,     4096,     1264, 0x4358080b
+3,      20480,      20480,     4096,     1264, 0x4358080b
+4,      20480,      20480,     4096,     1267, 0x2c4708fa
+5,      20480,      20480,     4096,     1267, 0x2c4708fa
+6,      20480,      20480,     4096,     1267, 0x2c4708fa
 7,       6144,       6144,      512,    13464, 0x33e5196f
 7,       6656,       6656,      512,     2587, 0x90e198aa, F=0x0
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-1,      23040,      23040,     4608,     1391, 0x74ac5014
-2,      23040,      23040,     4608,     1388, 0x96c85007
-3,      23040,      23040,     4608,     1388, 0x96c85007
-4,      23040,      23040,     4608,     1391, 0x74ac5014
-5,      23040,      23040,     4608,     1391, 0x74ac5014
-6,      23040,      23040,     4608,     1391, 0x74ac5014
+0,      24576,      24576,     4096,     1282, 0x0438152d
+1,      24576,      24576,     4096,     1282, 0x0438152d
+2,      24576,      24576,     4096,     1279, 0xf63b158e
+3,      24576,      24576,     4096,     1279, 0xf63b158e
+4,      24576,      24576,     4096,     1282, 0x0438152d
+5,      24576,      24576,     4096,     1282, 0x0438152d
+6,      24576,      24576,     4096,     1282, 0x0438152d
 7,       7168,       7168,      512,     2313, 0x698c429b, F=0x0
 7,       7680,       7680,      512,     2123, 0x63a3f034, F=0x0
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-1,      27648,      27648,     4608,     1422, 0x2f9d47c5
-2,      27648,      27648,     4608,     1419, 0x4d4d466a
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-4,      27648,      27648,     4608,     1422, 0x2f9d47c5
-5,      27648,      27648,     4608,     1422, 0x2f9d47c5
-6,      27648,      27648,     4608,     1422, 0x2f9d47c5
 7,       8192,       8192,      512,     2222, 0x442b233d, F=0x0
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+1,      28672,      28672,     4096,     1313, 0x2e79ffa2
+2,      28672,      28672,     4096,     1310, 0x1f77ff91
+3,      28672,      28672,     4096,     1310, 0x1f77ff91
+4,      28672,      28672,     4096,     1313, 0x2e79ffa2
+5,      28672,      28672,     4096,     1313, 0x2e79ffa2
+6,      28672,      28672,     4096,     1313, 0x2e79ffa2
 7,       8704,       8704,      512,     2332, 0x24c75b04, F=0x0
 7,       9216,       9216,      512,     2302, 0xa0fa2ee7, F=0x0
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-1,      32256,      32256,     4608,     1768, 0x2a044b99
-2,      32256,      32256,     4608,     1765, 0xacb84b24
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-4,      32256,      32256,     4608,     1768, 0x2a044b99
-5,      32256,      32256,     4608,     1768, 0x2a044b99
-6,      32256,      32256,     4608,     1768, 0x2a044b99
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+1,      32768,      32768,     4096,     1323, 0xb9f70fce
+2,      32768,      32768,     4096,     1320, 0xea180f1a
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+4,      32768,      32768,     4096,     1323, 0xb9f70fce
+5,      32768,      32768,     4096,     1323, 0xb9f70fce
+6,      32768,      32768,     4096,     1323, 0xb9f70fce
 7,       9728,       9728,      512,     1740, 0xdf772eb3, F=0x0
 7,      10240,      10240,      512,     1994, 0x8830ad23, F=0x0
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-1,      36864,      36864,     4608,     1534, 0xb0b35a3f
-2,      36864,      36864,     4608,     1531, 0x996458aa
-3,      36864,      36864,     4608,     1531, 0x996458aa
-4,      36864,      36864,     4608,     1534, 0xb0b35a3f
-5,      36864,      36864,     4608,     1534, 0xb0b35a3f
-6,      36864,      36864,     4608,     1534, 0xb0b35a3f
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+1,      36864,      36864,     4096,     1254, 0xf6f01051
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+4,      36864,      36864,     4096,     1254, 0xf6f01051
+5,      36864,      36864,     4096,     1254, 0xf6f01051
+6,      36864,      36864,     4096,     1254, 0xf6f01051
 7,      10752,      10752,      512,     1884, 0x2c567db6, F=0x0
 7,      11264,      11264,      512,     1880, 0x72237c52, F=0x0
 7,      11776,      11776,      512,     1970, 0x60708ff8, F=0x0
-0,      41472,      41472,     2628,      926, 0xc26a5eae
-1,      41472,      41472,     2628,      926, 0xc26a5eae
-2,      41472,      41472,     2628,      923, 0xa7225edf
-3,      41472,      41472,     2628,      923, 0xa7225edf
-4,      41472,      41472,     2628,      926, 0xc26a5eae
-5,      41472,      41472,     2628,      926, 0xc26a5eae
-6,      41472,      41472,     2628,      926, 0xc26a5eae
+0,      40960,      40960,     3140,     1096, 0xa3059b16
+1,      40960,      40960,     3140,     1096, 0xa3059b16
+2,      40960,      40960,     3140,     1093, 0x6c429ba0
+3,      40960,      40960,     3140,     1093, 0x6c429ba0
+4,      40960,      40960,     3140,     1096, 0xa3059b16
+5,      40960,      40960,     3140,     1096, 0xa3059b16
+6,      40960,      40960,     3140,     1096, 0xa3059b16
 7,      12288,      12288,      512,    11659, 0x6bcb830e
 [STREAM_GROUP]
 index=0
@@ -178,10 +185,10 @@ nb_subblocks=1
 type=1
 parameter_id=998
 parameter_rate=44100
-duration=4608
-constant_subblock_duration=4608
+duration=4096
+constant_subblock_duration=4096
 [PIECE]
-subblock_duration=4608
+subblock_duration=4096
 dmixp_mode=1
 [/PIECE]
 [/SUBCOMPONENT]
diff --git a/tests/ref/fate/mov-mp4-iamf-ambisonic_1 
b/tests/ref/fate/mov-mp4-iamf-ambisonic_1
index b6f14099c3..a2642c7393 100644
--- a/tests/ref/fate/mov-mp4-iamf-ambisonic_1
+++ b/tests/ref/fate/mov-mp4-iamf-ambisonic_1
@@ -1,9 +1,9 @@
-b0f4accdb8f1f3dfe594a6cbd6c00603 *tests/data/fate/mov-mp4-iamf-ambisonic_1.mp4
-57743 tests/data/fate/mov-mp4-iamf-ambisonic_1.mp4
-#extradata 0:       34, 0xad120cfe
-#extradata 1:       34, 0xad120cfe
-#extradata 2:       34, 0xad120cfe
-#extradata 3:       34, 0xad120cfe
+f8e57d8de34e8e2b6caed88d17939c6b *tests/data/fate/mov-mp4-iamf-ambisonic_1.mp4
+57055 tests/data/fate/mov-mp4-iamf-ambisonic_1.mp4
+#extradata 0:       34, 0x917c0bef
+#extradata 1:       34, 0x917c0bef
+#extradata 2:       34, 0x917c0bef
+#extradata 3:       34, 0x917c0bef
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
@@ -24,46 +24,50 @@ b0f4accdb8f1f3dfe594a6cbd6c00603 
*tests/data/fate/mov-mp4-iamf-ambisonic_1.mp4
 #codec_id 3: flac
 #sample_rate 3: 44100
 #channel_layout_name 3: mono
-0,          0,          0,     4608,     1396, 0x0dcb5677
-1,          0,          0,     4608,     1396, 0x0dcb5677
-2,          0,          0,     4608,     1396, 0x0dcb5677
-3,          0,          0,     4608,     1396, 0x0dcb5677
-0,       4608,       4608,     4608,     1439, 0xc46b5ac5
-1,       4608,       4608,     4608,     1439, 0xc46b5ac5
-2,       4608,       4608,     4608,     1439, 0xc46b5ac5
-3,       4608,       4608,     4608,     1439, 0xc46b5ac5
-0,       9216,       9216,     4608,     1377, 0x5b2a55fe
-1,       9216,       9216,     4608,     1377, 0x5b2a55fe
-2,       9216,       9216,     4608,     1377, 0x5b2a55fe
-3,       9216,       9216,     4608,     1377, 0x5b2a55fe
-0,      13824,      13824,     4608,     1380, 0x045550d3
-1,      13824,      13824,     4608,     1380, 0x045550d3
-2,      13824,      13824,     4608,     1380, 0x045550d3
-3,      13824,      13824,     4608,     1380, 0x045550d3
-0,      18432,      18432,     4608,     1568, 0xa2bc45f4
-1,      18432,      18432,     4608,     1568, 0xa2bc45f4
-2,      18432,      18432,     4608,     1568, 0xa2bc45f4
-3,      18432,      18432,     4608,     1568, 0xa2bc45f4
-0,      23040,      23040,     4608,     1388, 0x96c85007
-1,      23040,      23040,     4608,     1388, 0x96c85007
-2,      23040,      23040,     4608,     1388, 0x96c85007
-3,      23040,      23040,     4608,     1388, 0x96c85007
-0,      27648,      27648,     4608,     1419, 0x4d4d466a
-1,      27648,      27648,     4608,     1419, 0x4d4d466a
-2,      27648,      27648,     4608,     1419, 0x4d4d466a
-3,      27648,      27648,     4608,     1419, 0x4d4d466a
-0,      32256,      32256,     4608,     1765, 0xacb84b24
-1,      32256,      32256,     4608,     1765, 0xacb84b24
-2,      32256,      32256,     4608,     1765, 0xacb84b24
-3,      32256,      32256,     4608,     1765, 0xacb84b24
-0,      36864,      36864,     4608,     1531, 0x996458aa
-1,      36864,      36864,     4608,     1531, 0x996458aa
-2,      36864,      36864,     4608,     1531, 0x996458aa
-3,      36864,      36864,     4608,     1531, 0x996458aa
-0,      41472,      41472,     2628,      923, 0xa7225edf
-1,      41472,      41472,     2628,      923, 0xa7225edf
-2,      41472,      41472,     2628,      923, 0xa7225edf
-3,      41472,      41472,     2628,      923, 0xa7225edf
+0,          0,          0,     4096,     1320, 0x45220e92
+1,          0,          0,     4096,     1320, 0x45220e92
+2,          0,          0,     4096,     1320, 0x45220e92
+3,          0,          0,     4096,     1320, 0x45220e92
+0,       4096,       4096,     4096,     1251, 0x70521040
+1,       4096,       4096,     4096,     1251, 0x70521040
+2,       4096,       4096,     4096,     1251, 0x70521040
+3,       4096,       4096,     4096,     1251, 0x70521040
+0,       8192,       8192,     4096,     1317, 0x6c5408ea
+1,       8192,       8192,     4096,     1317, 0x6c5408ea
+2,       8192,       8192,     4096,     1317, 0x6c5408ea
+3,       8192,       8192,     4096,     1317, 0x6c5408ea
+0,      12288,      12288,     4096,     1277, 0xa6e11330
+1,      12288,      12288,     4096,     1277, 0xa6e11330
+2,      12288,      12288,     4096,     1277, 0xa6e11330
+3,      12288,      12288,     4096,     1277, 0xa6e11330
+0,      16384,      16384,     4096,     1328, 0x21371b83
+1,      16384,      16384,     4096,     1328, 0x21371b83
+2,      16384,      16384,     4096,     1328, 0x21371b83
+3,      16384,      16384,     4096,     1328, 0x21371b83
+0,      20480,      20480,     4096,     1264, 0x4358080b
+1,      20480,      20480,     4096,     1264, 0x4358080b
+2,      20480,      20480,     4096,     1264, 0x4358080b
+3,      20480,      20480,     4096,     1264, 0x4358080b
+0,      24576,      24576,     4096,     1279, 0xf63b158e
+1,      24576,      24576,     4096,     1279, 0xf63b158e
+2,      24576,      24576,     4096,     1279, 0xf63b158e
+3,      24576,      24576,     4096,     1279, 0xf63b158e
+0,      28672,      28672,     4096,     1310, 0x1f77ff91
+1,      28672,      28672,     4096,     1310, 0x1f77ff91
+2,      28672,      28672,     4096,     1310, 0x1f77ff91
+3,      28672,      28672,     4096,     1310, 0x1f77ff91
+0,      32768,      32768,     4096,     1320, 0xea180f1a
+1,      32768,      32768,     4096,     1320, 0xea180f1a
+2,      32768,      32768,     4096,     1320, 0xea180f1a
+3,      32768,      32768,     4096,     1320, 0xea180f1a
+0,      36864,      36864,     4096,     1251, 0x0b380fcb
+1,      36864,      36864,     4096,     1251, 0x0b380fcb
+2,      36864,      36864,     4096,     1251, 0x0b380fcb
+3,      36864,      36864,     4096,     1251, 0x0b380fcb
+0,      40960,      40960,     3140,     1093, 0x6c429ba0
+1,      40960,      40960,     3140,     1093, 0x6c429ba0
+2,      40960,      40960,     3140,     1093, 0x6c429ba0
+3,      40960,      40960,     3140,     1093, 0x6c429ba0
 [STREAM_GROUP]
 index=0
 id=0x1
diff --git a/tests/ref/fate/mov-mp4-iamf-stereo 
b/tests/ref/fate/mov-mp4-iamf-stereo
index 85e6e3efbb..34e99c5f20 100644
--- a/tests/ref/fate/mov-mp4-iamf-stereo
+++ b/tests/ref/fate/mov-mp4-iamf-stereo
@@ -1,21 +1,22 @@
-87c17d1a9fd07e16c369d386d39c3249 *tests/data/fate/mov-mp4-iamf-stereo.mp4
-15163 tests/data/fate/mov-mp4-iamf-stereo.mp4
-#extradata 0:       34, 0xafa70d5e
+96590f027a304c4afc872bac8bba815c *tests/data/fate/mov-mp4-iamf-stereo.mp4
+14996 tests/data/fate/mov-mp4-iamf-stereo.mp4
+#extradata 0:       34, 0x94110c4f
 #tb 0: 1/44100
 #media_type 0: audio
 #codec_id 0: flac
 #sample_rate 0: 44100
 #channel_layout_name 0: stereo
-0,          0,          0,     4608,     1399, 0x6e89566e
-0,       4608,       4608,     4608,     1442, 0x6c3c5b13
-0,       9216,       9216,     4608,     1380, 0xc497571b
-0,      13824,      13824,     4608,     1383, 0x48e9510f
-0,      18432,      18432,     4608,     1572, 0x9a514719
-0,      23040,      23040,     4608,     1391, 0x74ac5014
-0,      27648,      27648,     4608,     1422, 0x2f9d47c5
-0,      32256,      32256,     4608,     1768, 0x2a044b99
-0,      36864,      36864,     4608,     1534, 0xb0b35a3f
-0,      41472,      41472,     2628,      926, 0xc26a5eae
+0,          0,          0,     4096,     1323, 0xb9bc0f9a
+0,       4096,       4096,     4096,     1254, 0xf7e910bc
+0,       8192,       8192,     4096,     1320, 0xe4fe09c9
+0,      12288,      12288,     4096,     1280, 0x22e9127e
+0,      16384,      16384,     4096,     1331, 0x8bc61bbf
+0,      20480,      20480,     4096,     1267, 0x2c4708fa
+0,      24576,      24576,     4096,     1282, 0x0438152d
+0,      28672,      28672,     4096,     1313, 0x2e79ffa2
+0,      32768,      32768,     4096,     1323, 0xb9f70fce
+0,      36864,      36864,     4096,     1254, 0xf6f01051
+0,      40960,      40960,     3140,     1096, 0xa3059b16
 [STREAM_GROUP]
 index=0
 id=0x1
diff --git a/tests/ref/lavf/wv b/tests/ref/lavf/wv
index 07205093f3..3b0c154761 100644
--- a/tests/ref/lavf/wv
+++ b/tests/ref/lavf/wv
@@ -1,3 +1,3 @@
-47d9a381d9c3f99b8b059f3b17f1dc11 *tests/data/lavf/lavf.wv
-59560 tests/data/lavf/lavf.wv
+bb085606d40a45530826269fbbcfaa8e *tests/data/lavf/lavf.wv
+61078 tests/data/lavf/lavf.wv
 tests/data/lavf/lavf.wv CRC=0x3a1da17e
diff --git a/tests/ref/seek/acodec-flac b/tests/ref/seek/acodec-flac
index f6add9abd2..9f6ea765b0 100644
--- a/tests/ref/seek/acodec-flac
+++ b/tests/ref/seek/acodec-flac
@@ -1,53 +1,53 @@
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:  
2137
 ret: 0         st:-1 flags:0  ts:-1.000000
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:  
2137
 ret: 0         st:-1 flags:1  ts: 1.894167
-ret: 0         st: 0 flags:1 dts: 1.880816 pts: 1.880816 pos:  86742 size:  
2191
+ret: 0         st: 0 flags:1 dts: 1.857596 pts: 1.857596 pos:  84066 size:  
7758
 ret: 0         st: 0 flags:0  ts: 0.788345
-ret: 0         st: 0 flags:1 dts: 0.809796 pts: 0.809796 pos:  27366 size:   
615
+ret: 0         st: 0 flags:1 dts: 0.835918 pts: 0.835918 pos:  27528 size:  
2149
 ret: 0         st: 0 flags:1  ts:-0.317506
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:  
2137
 ret: 0         st:-1 flags:0  ts: 2.576668
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8455
 ret: 0         st:-1 flags:1  ts: 1.470835
-ret: 0         st: 0 flags:1 dts: 1.462857 pts: 1.462857 pos:  53388 size:  
1851
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6342
 ret: 0         st: 0 flags:0  ts: 0.365011
-ret: 0         st: 0 flags:1 dts: 0.365714 pts: 0.365714 pos:  16890 size:   
614
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2139
 ret: 0         st: 0 flags:1  ts:-0.740839
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
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2137
 ret: 0         st:-1 flags:0  ts: 2.153336
-ret: 0         st: 0 flags:1 dts: 2.168163 pts: 2.168163 pos: 110531 size:  
2143
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7572
 ret: 0         st:-1 flags:1  ts: 1.047503
-ret: 0         st: 0 flags:1 dts: 1.044898 pts: 1.044898 pos:  32880 size:   
579
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2135
 ret: 0         st: 0 flags:0  ts:-0.058322
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
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2137
 ret: 0         st: 0 flags:1  ts: 2.835828
-ret: 0         st: 0 flags:1 dts: 2.821224 pts: 2.821224 pos: 167112 size:  
2391
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8470
 ret: 0         st:-1 flags:0  ts: 1.730004
-ret: 0         st: 0 flags:1 dts: 1.750204 pts: 1.750204 pos:  75788 size:  
2191
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7754
 ret: 0         st:-1 flags:1  ts: 0.624171
-ret: 0         st: 0 flags:1 dts: 0.600816 pts: 0.600816 pos:  22446 size:   
616
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2149
 ret: 0         st: 0 flags:0  ts:-0.481655
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
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2137
 ret: 0         st: 0 flags:1  ts: 2.412494
-ret: 0         st: 0 flags:1 dts: 2.403265 pts: 2.403265 pos: 129793 size:  
2138
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7569
 ret: 0         st:-1 flags:0  ts: 1.306672
-ret: 0         st: 0 flags:1 dts: 1.332245 pts: 1.332245 pos:  44812 size:  
1609
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6342
 ret: 0         st:-1 flags:1  ts: 0.200839
-ret: 0         st: 0 flags:1 dts: 0.182857 pts: 0.182857 pos:  12572 size:   
628
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2143
 ret: 0         st: 0 flags:0  ts:-0.904989
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
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2137
 ret: 0         st: 0 flags:1  ts: 1.989184
-ret: 0         st: 0 flags:1 dts: 1.985306 pts: 1.985306 pos:  95508 size:  
2169
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7672
 ret: 0         st:-1 flags:0  ts: 0.883340
-ret: 0         st: 0 flags:1 dts: 0.888163 pts: 0.888163 pos:  29211 size:   
620
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2283
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-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
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2137
 ret: 0         st: 0 flags:0  ts: 2.671678
-ret: 0         st: 0 flags:1 dts: 2.690612 pts: 2.690612 pos: 155154 size:  
2394
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8464
 ret: 0         st: 0 flags:1  ts: 1.565850
-ret: 0         st: 0 flags:1 dts: 1.541224 pts: 1.541224 pos:  59082 size:  
1974
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6874
 ret: 0         st:-1 flags:0  ts: 0.460008
-ret: 0         st: 0 flags:1 dts: 0.470204 pts: 0.470204 pos:  19353 size:   
608
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2143
 ret: 0         st:-1 flags:1  ts:-0.645825
-ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:   
614
+ret: 0         st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos:   8256 size:  
2137

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