[FFmpeg-devel] [PATCH 3/7] avutil/frame: add a param change side data type

[James Almer]

Equivalent to the one from packet side data using AVSideDataParamChangeFlags,
and will be used for the same purpose with encoders.

Signed-off-by: James Almer <jamrial at gmail.com>
---
 libavutil/frame.c |  1 +
 libavutil/frame.h | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/libavutil/frame.c b/libavutil/frame.c
index 10b59545f0..f3575afc31 100644
--- a/libavutil/frame.c
+++ b/libavutil/frame.c
@@ -48,6 +48,7 @@ static const AVSideDataDescriptor sd_props[] = {
     [AV_FRAME_DATA_DOVI_METADATA]               = { "Dolby Vision Metadata",                        AV_SIDE_DATA_PROP_COLOR_DEPENDENT },
     [AV_FRAME_DATA_LCEVC]                       = { "LCEVC NAL data",                               AV_SIDE_DATA_PROP_SIZE_DEPENDENT },
     [AV_FRAME_DATA_VIEW_ID]                     = { "View ID" },
+    [AV_FRAME_DATA_PARAM_CHANGE]                = { "Param Change" },
     [AV_FRAME_DATA_STEREO3D]                    = { "Stereo 3D",                                    AV_SIDE_DATA_PROP_GLOBAL },
     [AV_FRAME_DATA_REPLAYGAIN]                  = { "AVReplayGain",                                 AV_SIDE_DATA_PROP_GLOBAL },
     [AV_FRAME_DATA_DISPLAYMATRIX]               = { "3x3 displaymatrix",                            AV_SIDE_DATA_PROP_GLOBAL },
diff --git a/libavutil/frame.h b/libavutil/frame.h
index 628f2b5b3a..de7a8e9eab 100644
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -243,6 +243,19 @@ enum AVFrameSideDataType {
      * The data is an int storing the view ID.
      */
     AV_FRAME_DATA_VIEW_ID,
+
+    /**
+     * An AV_FRAME_DATA_PARAM_CHANGE side data packet is laid out as follows:
+     * @code
+     * u32le param_flags
+     * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE)
+     *     s32le sample_rate
+     * if (param_flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS)
+     *     s32le width
+     *     s32le height
+     * @endcode
+     */
+    AV_FRAME_DATA_PARAM_CHANGE,
 };
 
 enum AVActiveFormatDescription {
-- 
2.48.1