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avcodec: add stream-level stereo3d side data

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This commit is contained in:
Vittorio Giovara 2014-07-23 09:21:28 +01:00
parent f2583bc86e
commit 9301486408
5 changed files with 69 additions and 1 deletions
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3
doc/APIchanges
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@ -13,6 +13,9 @@ libavutil: 2014-08-09
API changes, most recent first:
2014-08-xx - xxxxxxx - lavc 56.1.0 - avcodec.h
Add AV_PKT_DATA_STEREO3D to export container-level stereo3d information.
2014-08-xx - xxxxxxx - lavf 56.03.0 - avformat.h
Add AVFormatContext.max_ts_probe.

6
libavcodec/avcodec.h
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@ -911,6 +911,12 @@ enum AVPacketSideDataType {
* See libavutil/display.h for a detailed description of the data.
*/
AV_PKT_DATA_DISPLAYMATRIX,
/*
* This side data should be associated with a video stream and contains
* Stereoscopic 3D information in form of the AVStereo3D struct.
*/
AV_PKT_DATA_STEREO3D,
};
typedef struct AVPacketSideData {

9
libavcodec/utils.c
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@ -596,6 +596,15 @@ int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
memcpy(frame_sd->data, packet_sd, size);
}
/* copy the stereo3d format to the output frame */
packet_sd = av_packet_get_side_data(pkt, AV_PKT_DATA_STEREO3D, &size);
if (packet_sd) {
frame_sd = av_frame_new_side_data(frame, AV_FRAME_DATA_STEREO3D, size);
if (!frame_sd)
return AVERROR(ENOMEM);
memcpy(frame_sd->data, packet_sd, size);
}
return 0;
}

2
libavcodec/version.h
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@ -29,7 +29,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 56
#define LIBAVCODEC_VERSION_MINOR 0
#define LIBAVCODEC_VERSION_MINOR 1
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

50
libavformat/dump.c
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@ -27,6 +27,7 @@
#include "libavutil/log.h"
#include "libavutil/mathematics.h"
#include "libavutil/replaygain.h"
#include "libavutil/stereo3d.h"
#include "avformat.h"
@ -229,6 +230,51 @@ static void dump_replaygain(void *ctx, AVPacketSideData *sd)
print_peak(ctx, "album peak", rg->album_peak);
}
static void dump_stereo3d(void *ctx, AVPacketSideData *sd)
{
AVStereo3D *stereo;
if (sd->size < sizeof(*stereo)) {
av_log(ctx, AV_LOG_INFO, "invalid data");
return;
}
stereo = (AVStereo3D *)sd->data;
switch (stereo->type) {
case AV_STEREO3D_2D:
av_log(ctx, AV_LOG_INFO, "2D");
break;
case AV_STEREO3D_SIDEBYSIDE:
av_log(ctx, AV_LOG_INFO, "side by side");
break;
case AV_STEREO3D_TOPBOTTOM:
av_log(ctx, AV_LOG_INFO, "top and bottom");
break;
case AV_STEREO3D_FRAMESEQUENCE:
av_log(ctx, AV_LOG_INFO, "frame alternate");
break;
case AV_STEREO3D_CHECKERBOARD:
av_log(ctx, AV_LOG_INFO, "checkerboard");
break;
case AV_STEREO3D_LINES:
av_log(ctx, AV_LOG_INFO, "interleaved lines");
break;
case AV_STEREO3D_COLUMNS:
av_log(ctx, AV_LOG_INFO, "interleaved columns");
break;
case AV_STEREO3D_SIDEBYSIDE_QUINCUNX:
av_log(ctx, AV_LOG_INFO, "side by side (quincunx subsampling)");
break;
default:
av_log(ctx, AV_LOG_WARNING, "unknown");
break;
}
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
av_log(ctx, AV_LOG_INFO, " (inverted)");
}
static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
{
int i;
@ -262,6 +308,10 @@ static void dump_sidedata(void *ctx, AVStream *st, const char *indent)
av_log(ctx, AV_LOG_INFO, "displaymatrix: rotation of %.2f degrees",
av_display_rotation_get((int32_t *)sd.data));
break;
case AV_PKT_DATA_STEREO3D:
av_log(ctx, AV_LOG_INFO, "stereo3d: ");
dump_stereo3d(ctx, &sd);
break;
default:
av_log(ctx, AV_LOG_WARNING,
"unknown side data type %d (%d bytes)", sd.type, sd.size);