From: "Ronald S. Bultje" <[email protected]>
Error resilience is enabled by the h264 decoder, unless explicitly
disabled. --disable-everything --enable-decoder=h264 will produce
a h264 decoder with error resilience enabled, while
--disable-everything --enable-decoder=h264 --disable-error-resilience
will produce a h264 decoder with error resilience disabled.
---
Switched to using _suggest, in order to automatically enable
it unless explicitly disabled.
---
configure | 11 ++++----
libavcodec/h264.c | 76 +++++++++++++++++++++++++++++------------------------
2 files changed, 47 insertions(+), 40 deletions(-)
diff --git a/configure b/configure
index 36c1c25..4aac9e7 100755
--- a/configure
+++ b/configure
@@ -1091,6 +1091,7 @@ CONFIG_LIST="
$PROGRAM_LIST
dct
doc
+ error_resilience
fft
gpl
gray
@@ -1349,7 +1350,6 @@ CONFIG_EXTRA="
aandcttables
ac3dsp
audio_frame_queue
- error_resilience
gcrypt
golomb
gplv3
@@ -1544,7 +1544,8 @@ h263_decoder_select="error_resilience h263_parser
mpegvideo"
h263_encoder_select="aandcttables mpegvideoenc"
h263i_decoder_select="h263_decoder"
h263p_encoder_select="h263_encoder"
-h264_decoder_select="error_resilience golomb h264chroma h264dsp h264pred
h264qpel videodsp"
+h264_decoder_select="golomb h264chroma h264dsp h264pred h264qpel videodsp"
+h264_decoder_suggest="error_resilience"
huffyuv_encoder_select="huffman"
iac_decoder_select="fft mdct sinewin"
imc_decoder_select="fft mdct sinewin"
@@ -1601,8 +1602,8 @@ shorten_decoder_select="golomb"
sipr_decoder_select="lsp"
svq1_decoder_select="mpegvideo"
svq1_encoder_select="aandcttables mpegvideoenc"
-svq3_decoder_select="error_resilience golomb h264chroma h264dsp h264pred
h264qpel mpegvideo videodsp"
-svq3_decoder_suggest="zlib"
+svq3_decoder_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo
videodsp"
+svq3_decoder_suggest="error_resilience zlib"
theora_decoder_select="vp3_decoder"
tiff_decoder_suggest="zlib"
tiff_encoder_suggest="zlib"
@@ -1691,7 +1692,7 @@ wmv3_vdpau_decoder_select="vc1_vdpau_decoder"
wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
# parsers
-h264_parser_select="error_resilience golomb h264chroma h264dsp h264pred
h264qpel mpegvideo"
+h264_parser_select="golomb h264chroma h264dsp h264pred h264qpel mpegvideo"
mpeg4video_parser_select="error_resilience mpegvideo"
mpegvideo_parser_select="error_resilience mpegvideo"
vc1_parser_select="mpegvideo"
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 04ceab5..0f295fa 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1314,45 +1314,47 @@ static int context_init(H264Context *h)
h->ref_cache[1][scan8[7] + 1] =
h->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE;
- /* init ER */
- er->avctx = h->avctx;
- er->dsp = &h->dsp;
- er->decode_mb = h264_er_decode_mb;
- er->opaque = h;
- er->quarter_sample = 1;
-
- er->mb_num = h->mb_num;
- er->mb_width = h->mb_width;
- er->mb_height = h->mb_height;
- er->mb_stride = h->mb_stride;
- er->b8_stride = h->mb_width * 2 + 1;
-
- FF_ALLOCZ_OR_GOTO(h->avctx, er->mb_index2xy, (h->mb_num + 1) * sizeof(int),
- fail); // error ressilience code looks cleaner with this
- for (y = 0; y < h->mb_height; y++)
- for (x = 0; x < h->mb_width; x++)
- er->mb_index2xy[x + y * h->mb_width] = x + y * h->mb_stride;
+ if (CONFIG_ERROR_RESILIENCE) {
+ /* init ER */
+ er->avctx = h->avctx;
+ er->dsp = &h->dsp;
+ er->decode_mb = h264_er_decode_mb;
+ er->opaque = h;
+ er->quarter_sample = 1;
+
+ er->mb_num = h->mb_num;
+ er->mb_width = h->mb_width;
+ er->mb_height = h->mb_height;
+ er->mb_stride = h->mb_stride;
+ er->b8_stride = h->mb_width * 2 + 1;
+
+ FF_ALLOCZ_OR_GOTO(h->avctx, er->mb_index2xy, (h->mb_num + 1) *
sizeof(int),
+ fail); // error ressilience code looks cleaner with
this
+ for (y = 0; y < h->mb_height; y++)
+ for (x = 0; x < h->mb_width; x++)
+ er->mb_index2xy[x + y * h->mb_width] = x + y * h->mb_stride;
- er->mb_index2xy[h->mb_height * h->mb_width] = (h->mb_height - 1) *
- h->mb_stride + h->mb_width;
+ er->mb_index2xy[h->mb_height * h->mb_width] = (h->mb_height - 1) *
+ h->mb_stride +
h->mb_width;
- FF_ALLOCZ_OR_GOTO(h->avctx, er->error_status_table,
- mb_array_size * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(h->avctx, er->error_status_table,
+ mb_array_size * sizeof(uint8_t), fail);
- FF_ALLOC_OR_GOTO(h->avctx, er->mbintra_table, mb_array_size, fail);
- memset(er->mbintra_table, 1, mb_array_size);
+ FF_ALLOC_OR_GOTO(h->avctx, er->mbintra_table, mb_array_size, fail);
+ memset(er->mbintra_table, 1, mb_array_size);
- FF_ALLOCZ_OR_GOTO(h->avctx, er->mbskip_table, mb_array_size + 2, fail);
+ FF_ALLOCZ_OR_GOTO(h->avctx, er->mbskip_table, mb_array_size + 2, fail);
- FF_ALLOC_OR_GOTO(h->avctx, er->er_temp_buffer, h->mb_height * h->mb_stride,
- fail);
+ FF_ALLOC_OR_GOTO(h->avctx, er->er_temp_buffer, h->mb_height *
h->mb_stride,
+ fail);
- FF_ALLOCZ_OR_GOTO(h->avctx, h->dc_val_base, yc_size * sizeof(int16_t),
fail);
- er->dc_val[0] = h->dc_val_base + h->mb_width * 2 + 2;
- er->dc_val[1] = h->dc_val_base + y_size + h->mb_stride + 1;
- er->dc_val[2] = er->dc_val[1] + c_size;
- for (i = 0; i < yc_size; i++)
- h->dc_val_base[i] = 1024;
+ FF_ALLOCZ_OR_GOTO(h->avctx, h->dc_val_base, yc_size * sizeof(int16_t),
fail);
+ er->dc_val[0] = h->dc_val_base + h->mb_width * 2 + 2;
+ er->dc_val[1] = h->dc_val_base + y_size + h->mb_stride + 1;
+ er->dc_val[2] = er->dc_val[1] + c_size;
+ for (i = 0; i < yc_size; i++)
+ h->dc_val_base[i] = 1024;
+ }
return 0;
@@ -1768,7 +1770,9 @@ static int h264_frame_start(H264Context *h)
if ((ret = ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
return ret;
- ff_er_frame_start(&h->er);
+ if (CONFIG_ERROR_RESILIENCE) {
+ ff_er_frame_start(&h->er);
+ }
assert(h->linesize && h->uvlinesize);
@@ -2801,7 +2805,7 @@ static int field_end(H264Context *h, int in_setup)
* past end by one (callers fault) and resync_mb_y != 0
* causes problems for the first MB line, too.
*/
- if (!FIELD_PICTURE(h)) {
+ if (CONFIG_ERROR_RESILIENCE && !FIELD_PICTURE(h)) {
h->er.cur_pic = h->cur_pic_ptr;
h->er.last_pic = h->ref_count[0] ? &h->ref_list[0][0] : NULL;
h->er.next_pic = h->ref_count[1] ? &h->ref_list[1][0] : NULL;
@@ -4090,10 +4094,12 @@ static void decode_finish_row(H264Context *h)
static void er_add_slice(H264Context *h, int startx, int starty,
int endx, int endy, int status)
{
+#if CONFIG_ERROR_RESILIENCE
ERContext *er = &h->er;
er->ref_count = h->ref_count[0];
ff_er_add_slice(er, startx, starty, endx, endy, status);
+#endif
}
static int decode_slice(struct AVCodecContext *avctx, void *arg)
--
1.7.9.4
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