ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinha...@outlook.com> | 
Thu May 30 01:58:23 2024 +0200| [87a13986bc08627dc847f4475bc91ee7c78618de] | 
committer: Andreas Rheinhardt

avformat/nutdec: Don't create inconsistent side data

Forgotten in 65ddc74988245a01421a63c5cffa4d900c47117c.

Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=87a13986bc08627dc847f4475bc91ee7c78618de
---

 libavformat/nutdec.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c
index 0bb7f154db..34b7e3cb9a 100644
--- a/libavformat/nutdec.c
+++ b/libavformat/nutdec.c
@@ -881,8 +881,6 @@ static int read_sm_data(AVFormatContext *s, AVIOContext 
*bc, AVPacket *pkt, int
     int count = ffio_read_varlen(bc);
     int skip_start = 0;
     int skip_end = 0;
-    int channels = 0;
-    int64_t channel_layout = 0;
     int sample_rate = 0;
     int width = 0;
     int height = 0;
@@ -930,7 +928,7 @@ static int read_sm_data(AVFormatContext *s, AVIOContext 
*bc, AVPacket *pkt, int
                 AV_WB64(dst, v64);
                 dst += 8;
             } else if (!strcmp(name, "ChannelLayout") && value_len == 8) {
-                channel_layout = avio_rl64(bc);
+                // Ignored
                 continue;
             } else {
                 av_log(s, AV_LOG_WARNING, "Unknown data %s / %s\n", name, 
type_str);
@@ -952,7 +950,7 @@ static int read_sm_data(AVFormatContext *s, AVIOContext 
*bc, AVPacket *pkt, int
             } else if (!strcmp(name, "SkipEnd")) {
                 skip_end = value;
             } else if (!strcmp(name, "Channels")) {
-                channels = value;
+                // Ignored
             } else if (!strcmp(name, "SampleRate")) {
                 sample_rate = value;
             } else if (!strcmp(name, "Width")) {
@@ -965,18 +963,14 @@ static int read_sm_data(AVFormatContext *s, AVIOContext 
*bc, AVPacket *pkt, int
         }
     }
 
-    if (channels || channel_layout || sample_rate || width || height) {
-        uint8_t *dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, 
28);
+    if (sample_rate || width || height) {
+        uint8_t *dst = av_packet_new_side_data(pkt, AV_PKT_DATA_PARAM_CHANGE, 
16);
         if (!dst)
             return AVERROR(ENOMEM);
         bytestream_put_le32(&dst,
                             
AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE*(!!sample_rate) +
                             
AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS*(!!(width|height))
                            );
-        if (channels)
-            bytestream_put_le32(&dst, channels);
-        if (channel_layout)
-            bytestream_put_le64(&dst, channel_layout);
         if (sample_rate)
             bytestream_put_le32(&dst, sample_rate);
         if (width || height){

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