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| author | Vittorio Giovara <vittorio.giovara@gmail.com> | 2013-02-20 16:34:58 +0100 |
|---|---|---|
| committer | Vittorio Giovara <vittorio.giovara@gmail.com> | 2013-12-09 16:02:43 +0100 |
| commit | 5b10ef729f610fcbc9c485e7b643ce53268144cb (patch) | |
| tree | 4b147db6c5e36bbf1021797ebd2b14c427bee0e4 /libavcodec/h264.c | |
| parent | 7e244c68600f479270e979258e389ed5240885fb (diff) | |
| download | ffmpeg-5b10ef729f610fcbc9c485e7b643ce53268144cb.tar.gz | |
h264: parse frame packing arrangement SEI messages and save relevant stereo3d information
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 86d453bba7..29a69608ec 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -27,6 +27,7 @@ #include "libavutil/avassert.h" #include "libavutil/imgutils.h" +#include "libavutil/stereo3d.h" #include "internal.h" #include "cabac.h" #include "cabac_functions.h" @@ -2029,6 +2030,46 @@ static void decode_postinit(H264Context *h, int setup_finished) } } + if (h->sei_frame_packing_present && + h->frame_packing_arrangement_type >= 0 && + h->frame_packing_arrangement_type <= 6 && + h->content_interpretation_type > 0 && + h->content_interpretation_type < 3) { + AVStereo3D *stereo = av_stereo3d_create_side_data(&cur->f); + if (!stereo) + return; + + switch (h->frame_packing_arrangement_type) { + case 0: + stereo->type = AV_STEREO3D_CHECKERBOARD; + break; + case 1: + stereo->type = AV_STEREO3D_LINES; + break; + case 2: + stereo->type = AV_STEREO3D_COLUMNS; + break; + case 3: + if (h->quincunx_subsampling) + stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX; + else + stereo->type = AV_STEREO3D_SIDEBYSIDE; + break; + case 4: + stereo->type = AV_STEREO3D_TOPBOTTOM; + break; + case 5: + stereo->type = AV_STEREO3D_FRAMESEQUENCE; + break; + case 6: + stereo->type = AV_STEREO3D_2D; + break; + } + + if (h->content_interpretation_type == 2) + stereo->flags = AV_STEREO3D_FLAG_INVERT; + } + // FIXME do something with unavailable reference frames /* Sort B-frames into display order */ |