h264: Allow discarding the cropping information from SPS

Some 3D systems overload the meaning of the field for other purposes.

Vittorio Giovara committed 13 years ago

Commit a84fb6e1 parent 33552a54 files · +18 −1Browse files

Unified · Split

4 files

@@ -657,6 +657,8 @@ typedef struct RcOverride{ · 656 unmodified lines
657	657	#define CODEC_FLAG2_FAST 0x00000001 ///< Allow non spec compliant speedup tricks.
658	658	#define CODEC_FLAG2_NO_OUTPUT 0x00000004 ///< Skip bitstream encoding.
659	659	#define CODEC_FLAG2_LOCAL_HEADER 0x00000008 ///< Place global headers at every keyframe instead of in extradata.
	660	+#define CODEC_FLAG2_IGNORE_CROP 0x00010000 ///< Discard cropping information from SPS.
	661	+
660	662	#if FF_API_MPV_GLOBAL_OPTS
661	663	#define CODEC_FLAG_CBP_RD 0x04000000 ///< Use rate distortion optimization for cbp.
662	664	#define CODEC_FLAG_QP_RD 0x08000000 ///< Use rate distortion optimization for qp selectioon.

@@ -425,6 +425,20 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){ · 424 unmodified lines
425	425	sps->crop_right = get_ue_golomb(&s->gb);
426	426	sps->crop_top = get_ue_golomb(&s->gb);
427	427	sps->crop_bottom= get_ue_golomb(&s->gb);
	428	+ if (h->s.avctx->flags2 & CODEC_FLAG2_IGNORE_CROP) {
	429	+ av_log(h->s.avctx, AV_LOG_DEBUG,
	430	+ "discarding sps cropping, "
	431	+ "original values are l:%u r:%u t:%u b:%u\n",
	432	+ sps->crop_left,
	433	+ sps->crop_right,
	434	+ sps->crop_top,
	435	+ sps->crop_bottom);
	436	+
	437	+ sps->crop_left =
	438	+ sps->crop_right =
	439	+ sps->crop_top =
	440	+ sps->crop_bottom = 0;
	441	+ }
428	442	if(sps->crop_left \|\| sps->crop_top){
429	443	av_log(h->s.avctx, AV_LOG_ERROR, "insane cropping not completely supported, this could look slightly wrong ...\n");
430	444	}

@@ -76,6 +76,7 @@ static const AVOption options[]={ · 75 unmodified lines
76	76	{"sgop", "Deprecated, use mpegvideo private options instead", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_STRICT_GOP }, INT_MIN, INT_MAX, V\|E, "flags2"},
77	77	#endif
78	78	{"noout", "skip bitstream encoding", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_NO_OUTPUT }, INT_MIN, INT_MAX, V\|E, "flags2"},
	79	+{"ignorecrop", "ignore cropping information from sps", 1, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_IGNORE_CROP }, INT_MIN, INT_MAX, V\|D, "flags2"},
79	80	{"local_header", "place global headers at every keyframe instead of in extradata", 0, AV_OPT_TYPE_CONST, {.i64 = CODEC_FLAG2_LOCAL_HEADER }, INT_MIN, INT_MAX, V\|E, "flags2"},
80	81	#if FF_API_SUB_ID
81	82	{"sub_id", NULL, OFFSET(sub_id), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},

@@ -27,7 +27,7 @@ · 26 unmodified lines
27	27	*/
28	28
29	29	#define LIBAVCODEC_VERSION_MAJOR 54
30		−#define LIBAVCODEC_VERSION_MINOR 40
	30	+#define LIBAVCODEC_VERSION_MINOR 41
31	31	#define LIBAVCODEC_VERSION_MICRO 0
32	32
33	33	#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

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