@@ -1173,6 +1173,24 @@ typedef struct AVCPBProperties {
uint64_t vbv_delay;
} AVCPBProperties;
+/**
+ * This structure supplies media correlation between timestamps and wall-clock
+ * production time.
+ */
+typedef struct AVProducerReferenceTime {
+ /**
+ * wall-clock time, in microseconds since the Epoch. I.e. av_gettime().
+ */
+ int64_t wallclock;
+ /**
+ * Combination of flags indicating the correlation between a timestamp
+ * and the value in the wallclock field.
+ * The definition follows the Producer Reference Time as defined in
+ * ISO/IEC 14496-12.
+ */
+ int flags;
+} AVProducerReferenceTime;
+
/**
* The decoder will keep a reference to the frame and may reuse it later.
*/
@@ -1407,6 +1425,11 @@ enum AVPacketSideDataType {
*/
AV_PKT_DATA_AFD,
+ /**
+ * Producer Reference Time data corresponding to the AVProducerReferenceTime struct.
+ */
+ AV_PKT_DATA_PRFT,
+
/**
* The number of side data types.
* This is not part of the public API/ABI in the sense that it may
@@ -741,3 +741,25 @@ int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, i
return 0;
}
+
+int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp, int flags)
+{
+ AVProducerReferenceTime *prft;
+ uint8_t *side_data;
+ int side_data_size;
+
+ side_data = av_packet_get_side_data(pkt, AV_PKT_DATA_PRFT, &side_data_size);
+ if (!side_data) {
+ side_data_size = sizeof(AVProducerReferenceTime);
+ side_data = av_packet_new_side_data(pkt, AV_PKT_DATA_PRFT, side_data_size);
+ }
+
+ if (!side_data || side_data_size < sizeof(AVProducerReferenceTime))
+ return AVERROR(ENOMEM);
+
+ prft = (AVProducerReferenceTime *)side_data;
+ prft->wallclock = timestamp;
+ prft->flags = flags;
+
+ return 0;
+}
@@ -392,6 +392,8 @@ AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx);
int ff_side_data_set_encoder_stats(AVPacket *pkt, int quality, int64_t *error, int error_count, int pict_type);
+int ff_side_data_set_prft(AVPacket *pkt, int64_t timestamp, int flags);
+
/**
* Check AVFrame for A53 side data and allocate and fill SEI message with A53 info
*
Signed-off-by: James Almer <jamrial@gmail.com> --- TODO: Version bump and APIchanges entry. libavcodec/avcodec.h | 23 +++++++++++++++++++++++ libavcodec/avpacket.c | 22 ++++++++++++++++++++++ libavcodec/internal.h | 2 ++ 3 files changed, 47 insertions(+)