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Merge commit '827a05eaa9482e9ac2a17f7f2e42ead07c1d7574'

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* commit '827a05eaa9482e9ac2a17f7f2e42ead07c1d7574':
  matroskaenc: add support for Spherical Video elements

See 58eb0f57f6. Merged for cosmetics
purposes.
Also includes changes from d32d59bc97

Merged-by: James Almer <jamrial@gmail.com>
pull/272/head
James Almer 7 years ago
parent 13c84b077a 827a05eaa9
commit fd59207c1c
1 changed files with 63 additions and 62 deletions
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  1. 125
      libavformat/matroskaenc.c

125
libavformat/matroskaenc.c
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@ -953,78 +953,79 @@ static int mkv_write_video_color(AVIOContext *pb, AVCodecParameters *par, AVStre
return 0;
}
static int mkv_write_video_projection(AVFormatContext *s, AVIOContext *pb, AVStream *st)
static int mkv_write_video_projection(AVFormatContext *s, AVIOContext *pb,
AVStream *st)
{
AVIOContext b;
AVIOContext *dyn_cp;
int side_data_size = 0;
int ret, projection_size;
uint8_t *projection_ptr;
uint8_t private[20];
const AVSphericalMapping *spherical =
(const AVSphericalMapping*) av_stream_get_side_data(st, AV_PKT_DATA_SPHERICAL,
(const AVSphericalMapping *)av_stream_get_side_data(st, AV_PKT_DATA_SPHERICAL,
&side_data_size);
if (side_data_size) {
AVIOContext *dyn_cp;
uint8_t *projection_ptr;
int ret, projection_size;
if (!side_data_size)
return 0;
ret = avio_open_dyn_buf(&dyn_cp);
if (ret < 0)
return ret;
ret = avio_open_dyn_buf(&dyn_cp);
if (ret < 0)
return ret;
switch (spherical->projection) {
case AV_SPHERICAL_EQUIRECTANGULAR:
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
break;
case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
{
AVIOContext b;
uint8_t private[20];
ffio_init_context(&b, private, sizeof(private),
1, NULL, NULL, NULL, NULL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
avio_wb32(&b, 0); // version + flags
avio_wb32(&b, spherical->bound_top);
avio_wb32(&b, spherical->bound_bottom);
avio_wb32(&b, spherical->bound_left);
avio_wb32(&b, spherical->bound_right);
put_ebml_binary(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPRIVATE, private, sizeof(private));
break;
}
case AV_SPHERICAL_CUBEMAP:
{
AVIOContext b;
uint8_t private[12];
ffio_init_context(&b, private, sizeof(private),
1, NULL, NULL, NULL, NULL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_CUBEMAP);
avio_wb32(&b, 0); // version + flags
avio_wb32(&b, 0); // layout
avio_wb32(&b, spherical->padding);
put_ebml_binary(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPRIVATE, private, sizeof(private));
break;
}
default:
av_log(s, AV_LOG_WARNING, "Unknown projection type\n");
goto end;
}
switch (spherical->projection) {
case AV_SPHERICAL_EQUIRECTANGULAR:
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
break;
case AV_SPHERICAL_EQUIRECTANGULAR_TILE:
ffio_init_context(&b, private, 20, 1, NULL, NULL, NULL, NULL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_EQUIRECTANGULAR);
avio_wb32(&b, 0); // version + flags
avio_wb32(&b, spherical->bound_top);
avio_wb32(&b, spherical->bound_bottom);
avio_wb32(&b, spherical->bound_left);
avio_wb32(&b, spherical->bound_right);
put_ebml_binary(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPRIVATE,
private, avio_tell(&b));
break;
case AV_SPHERICAL_CUBEMAP:
ffio_init_context(&b, private, 12, 1, NULL, NULL, NULL, NULL);
put_ebml_uint(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONTYPE,
MATROSKA_VIDEO_PROJECTION_TYPE_CUBEMAP);
avio_wb32(&b, 0); // version + flags
avio_wb32(&b, 0); // layout
avio_wb32(&b, spherical->padding);
put_ebml_binary(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPRIVATE,
private, avio_tell(&b));
break;
default:
av_log(s, AV_LOG_WARNING, "Unknown projection type\n");
goto end;
}
if (spherical->yaw)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEYAW, (double)spherical->yaw / (1 << 16));
if (spherical->pitch)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEPITCH, (double)spherical->pitch / (1 << 16));
if (spherical->roll)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEROLL, (double)spherical->roll / (1 << 16));
if (spherical->yaw)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEYAW,
(double) spherical->yaw / (1 << 16));
if (spherical->pitch)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEPITCH,
(double) spherical->pitch / (1 << 16));
if (spherical->roll)
put_ebml_float(dyn_cp, MATROSKA_ID_VIDEOPROJECTIONPOSEROLL,
(double) spherical->roll / (1 << 16));
end:
projection_size = avio_close_dyn_buf(dyn_cp, &projection_ptr);
if (projection_size) {
ebml_master projection = start_ebml_master(pb, MATROSKA_ID_VIDEOPROJECTION, projection_size);
avio_write(pb, projection_ptr, projection_size);
end_ebml_master(pb, projection);
}
av_freep(&projection_ptr);
}
projection_size = avio_close_dyn_buf(dyn_cp, &projection_ptr);
if (projection_size) {
ebml_master projection = start_ebml_master(pb,
MATROSKA_ID_VIDEOPROJECTION,
projection_size);
avio_write(pb, projection_ptr, projection_size);
end_ebml_master(pb, projection);
}
av_freep(&projection_ptr);
return 0;
}

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