---
Changelog | 1 +
libavutil/Makefile | 1 +
libavutil/frame.h | 4 ++
libavutil/stereo3d.h | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 164 insertions(+)
create mode 100644 libavutil/stereo3d.h
diff --git a/Changelog b/Changelog
index b0ff897..9dee989 100644
--- a/Changelog
+++ b/Changelog
@@ -37,6 +37,7 @@ version 10:
- Error Resilient AAC syntax (ER AAC LC) decoding
- Low Delay AAC (ER AAC LD) decoding
- mux chapters in ASF files
+- codec level stereoscopic metadata handling
version 9:
diff --git a/libavutil/Makefile b/libavutil/Makefile
index 9381c77..0fd0d8d 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -41,6 +41,7 @@ HEADERS = adler32.h
\
rational.h \
samplefmt.h \
sha.h \
+ stereo3d.h \
time.h \
version.h \
xtea.h \
diff --git a/libavutil/frame.h b/libavutil/frame.h
index b0676e7..5217b60 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -35,6 +35,10 @@ enum AVFrameSideDataType {
* The data is the AVPanScan struct defined in libavcodec.
*/
AV_FRAME_DATA_PANSCAN,
+ /**
+ * The data is the AVStereo3D struct defined in libavcodec.
+ */
+ AV_FRAME_DATA_STEREO3D,
};
typedef struct AVFrameSideData {
diff --git a/libavutil/stereo3d.h b/libavutil/stereo3d.h
new file mode 100644
index 0000000..077b0bc
--- /dev/null
+++ b/libavutil/stereo3d.h
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2013 Vittorio Giovara <[email protected]>
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ How views are packed within the frame or container.
+ */
+enum AVStereo3DType {
+ /**
+ * Video is not stereoscopic.
+ */
+ AV_STEREO3D_NONE,
+
+ /**
+ * Video is not stereoscopic but metadata has to be there.
+ */
+ AV_STEREO3D_NOT_REALLY,
+
+ /**
+ * Views are colored funny.
+ */
+ AV_STEREO3D_ANAGLYPH,
+
+ /**
+ * Views are in two different streams: this could be per container
+ * (like Matroska) or per frame (like MVC Stereo High Profile).
+ */
+ AV_STEREO3D_MULTISTREAM,
+
+ /**
+ * Views are alternated temporally.
+ *
+ * frame0 frame1 frame2 ...
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * ... ... ...
+ */
+ AV_STEREO3D_FRAMESEQUENCE,
+
+ /**
+ * Views are packed in a checkerboard-like structure per pixel.
+ *
+ * LRLRLRLR
+ * RLRLRLRL
+ * LRLRLRLR
+ * ...
+ */
+ AV_STEREO3D_CHECKERS,
+
+ /**
+ * Views are packed per line, as if interlaced.
+ *
+ * LLLLLLLL
+ * RRRRRRRR
+ * LLLLLLLL
+ * ...
+ */
+ AV_STEREO3D_LINES,
+
+ /**
+ * Views are packed per column.
+ *
+ * LRLRLRLR
+ * LRLRLRLR
+ * LRLRLRLR
+ * ...
+ */
+ AV_STEREO3D_COLUMNS,
+
+ /**
+ * Views are next to each other.
+ *
+ * LLLLRRRR
+ * LLLLRRRR
+ * LLLLRRRR
+ * ...
+ */
+ AV_STEREO3D_SIDEBYSIDE,
+
+ /**
+ * Views are on top of each other.
+ *
+ * LLLLLLLL
+ * LLLLLLLL
+ * RRRRRRRR
+ * RRRRRRRR
+ */
+ AV_STEREO3D_TOPBOTTOM,
+};
+
+enum AVStereo3DInfo {
+ /**
+ * Views are assumed to be at full resolution and are in
+ * "Left is Left" mode, with no other fancy stuff.
+ */
+ AV_STEREO3D_NORMAL = 0x00000000,
+
+ /**
+ * Views are at half resolution.
+ */
+ AV_STEREO3D_SIZE_HALF = 0x00000001,
+
+ /**
+ * Inverted views, L and R are in opposite position.
+ */
+ AV_STEREO3D_ORDER_INVERT = 0x00000002,
+
+ /**
+ * When upscaling apply a checkerboard pattern.
+ *
+ * LLLLRRRR L L L L R R R R
+ * LLLLRRRR => L L L L R R R R
+ * LLLLRRRR L L L L R R R R
+ * LLLLRRRR L L L L R R R R
+ *
+ * AV_STEREO3D_SIZE_HALF is implied.
+ */
+ AV_STEREO3D_QUINCUNX = 0x00000004,
+};
+
+/**
+ * Stereo 3D type.
+ * This specifies how a stereo pair is packed in a video.
+ * Normally you get this information either in the transport header
+ * or at every keyframe.
+ */
+typedef struct AVStereo3D {
+ /**
+ * type
+ * - encoding: Set by libavcodec.
+ * - decoding: Set by libavcodec.
+ */
+ enum AVStereo3DType type;
+
+ /**
+ * additional data
+ * - encoding: Set by libavcodec.
+ * - decoding: Set by libavcodec.
+ */
+ enum AVStereo3DInfo info;
+} AVStereo3D;
--
1.7.9.5
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