---
libavcodec/mpeg12enc.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c
index 91077e7..1cd7b8e 100644
--- a/libavcodec/mpeg12enc.c
+++ b/libavcodec/mpeg12enc.c
@@ -36,6 +36,7 @@
#include "libavutil/attributes.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
+#include "libavutil/stereoscopy.h"
static const uint8_t inv_non_linear_qscale[13] = {
0, 2, 4, 6, 8,
@@ -334,6 +335,7 @@ void ff_mpeg1_encode_slice_header(MpegEncContext *s){
void ff_mpeg1_encode_picture_header(MpegEncContext *s, int picture_number)
{
+ AVFrameSideData *side_data;
mpeg1_encode_sequence_header(s);
/* mpeg1 picture header */
@@ -416,6 +418,43 @@ void ff_mpeg1_encode_picture_header(MpegEncContext *s, int
picture_number)
put_bits(&s->pb, 8, svcd_scan_offset_placeholder[i]);
}
}
+ side_data = av_frame_get_side_data(&s->current_picture_ptr->f,
AV_FRAME_DATA_STEREO3D);
+ if (side_data) {
+ AVStereo3D *stereo = (AVStereo3D *)side_data->data;
+ uint8_t fpa_type;
+
+ switch (stereo->type) {
+ case AV_STEREO3D_SIDEBYSIDE:
+ if (stereo->extra & AV_STEREO3D_QUINCUNX)
+ fpa_type = 0x23;
+ else
+ fpa_type = 0x03;
+ break;
+ case AV_STEREO3D_TOPBOTTOM:
+ fpa_type = 0x04;
+ break;
+ case AV_STEREO3D_NOT_REALLY:
+ fpa_type = 0x08;
+ break;
+ default:
+ fpa_type = 0;
+ break;
+ }
+
+ if (fpa_type != 0) {
+ put_header(s, USER_START_CODE);
+ put_bits(&s->pb, 8, 'J'); //
S3D_video_format_signaling_identifier
+ put_bits(&s->pb, 8, 'P');
+ put_bits(&s->pb, 8, '3');
+ put_bits(&s->pb, 8, 'D');
+ put_bits(&s->pb, 8, 0x03); // S3D_video_format_length
+
+ put_bits(&s->pb, 1, 1); // reserved_bit
+ put_bits(&s->pb, 7, fpa_type); // S3D_video_format_type
+ put_bits(&s->pb, 8, 0x04); // reserved_data[0]
+ put_bits(&s->pb, 8, 0xFF); // reserved_data[1]
+ }
+ }
s->mb_y=0;
ff_mpeg1_encode_slice_header(s);
--
1.7.9.5
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