Merge commit '9301486408a480629336af4d7fd873c0f28fb2d5'

* commit '9301486408a480629336af4d7fd873c0f28fb2d5':
  avcodec: add stream-level stereo3d side data

Conflicts:
	doc/APIchanges
	libavcodec/avcodec.h
	libavcodec/utils.c
	libavcodec/version.h

Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/APIchanges

@@ -15,6 +15,9 @@ 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.
+
 2014-08-25 - 215db29 / b263f8f - lavf 56.3.100 / 56.3.0 - avformat.h
   Add AVFormatContext.max_ts_probe.
 

libavcodec/avcodec.h

@@ -1027,6 +1027,12 @@ enum AVPacketSideDataType {
      */
     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,
+
     /**
      * Recommmends skipping the specified number of samples
      * @code

libavcodec/utils.c

@@ -756,6 +756,16 @@ int ff_init_buffer_info(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);
+        }
     } else {
         frame->pkt_pts = AV_NOPTS_VALUE;
         av_frame_set_pkt_pos     (frame, -1);

libavcodec/version.h

@@ -29,8 +29,8 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 56
-#define LIBAVCODEC_VERSION_MINOR  0
-#define LIBAVCODEC_VERSION_MICRO 101
+#define LIBAVCODEC_VERSION_MINOR  1
+#define LIBAVCODEC_VERSION_MICRO 100
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \

libavformat/dump.c

@@ -29,6 +29,7 @@
 #include "libavutil/mathematics.h"
 #include "libavutil/avstring.h"
 #include "libavutil/replaygain.h"
+#include "libavutil/stereo3d.h"
 
 #include "avformat.h"
 
@@ -244,6 +245,51 @@ 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;
@@ -277,6 +323,10 @@ 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);