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Code Issues Releases Activity

Merge remote-tracking branch 'qatar/master'

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* qatar/master:
  mpeg12dec: do not add stereo3D side data to a non-existing frame

Conflicts:
	libavcodec/mpeg12dec.c

See: fe285b04bb
Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2014-02-14 04:06:57 +01:00
parent 8dc5a46466 73eca738ac
commit abe3f79d62
1 changed files with 16 additions and 12 deletions
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28
libavcodec/mpeg12dec.c
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@@ -48,6 +48,8 @@ typedef struct Mpeg1Context {
int mpeg_enc_ctx_allocated; /* true if decoding context allocated */
int repeat_field; /* true if we must repeat the field */
AVPanScan pan_scan; /* some temporary storage for the panscan */
AVStereo3D stereo3d;
int has_stereo3d;
uint8_t *a53_caption;
int a53_caption_size;
int slice_count;
@@ -1642,6 +1644,15 @@ static int mpeg_field_start(MpegEncContext *s, const uint8_t *buf, int buf_size)
memcpy(sd->data, s1->a53_caption, s1->a53_caption_size);
av_freep(&s1->a53_caption);
}
if (s1->has_stereo3d) {
AVStereo3D *stereo = av_stereo3d_create_side_data(&s->current_picture_ptr->f);
if (!stereo)
return AVERROR(ENOMEM);
*stereo = s1->stereo3d;
s1->has_stereo3d = 0;
}
if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_FRAME))
ff_thread_finish_setup(avctx);
} else { // second field
@@ -2272,28 +2283,21 @@ static void mpeg_decode_user_data(AVCodecContext *avctx,
S3D_video_format_type == 0x08 ||
S3D_video_format_type == 0x23) {
Mpeg1Context *s1 = avctx->priv_data;
MpegEncContext *s = &s1->mpeg_enc_ctx;
AVStereo3D *stereo;
if (!s->current_picture_ptr)
return;
stereo =
av_stereo3d_create_side_data(&s->current_picture_ptr->f);
if (!stereo)
return;
s1->has_stereo3d = 1;
switch (S3D_video_format_type) {
case 0x03:
stereo->type = AV_STEREO3D_SIDEBYSIDE;
s1->stereo3d.type = AV_STEREO3D_SIDEBYSIDE;
break;
case 0x04:
stereo->type = AV_STEREO3D_TOPBOTTOM;
s1->stereo3d.type = AV_STEREO3D_TOPBOTTOM;
break;
case 0x08:
stereo->type = AV_STEREO3D_2D;
s1->stereo3d.type = AV_STEREO3D_2D;
break;
case 0x23:
stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
s1->stereo3d.type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
break;
}
}