libavcodec: when decoding, copy replaygain side data to decoded frames

libavcodec/internal.h

@@ -186,4 +186,9 @@ int ff_set_dimensions(AVCodecContext *s, int width, int height);
 int ff_side_data_update_matrix_encoding(AVFrame *frame,
                                         enum AVMatrixEncoding matrix_encoding);
 
+/**
+ * Set various frame properties from the codec context / packet data.
+ */
+int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame);
+
 #endif /* AVCODEC_INTERNAL_H */

libavcodec/rawdec.c

@@ -150,8 +150,10 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
 
     frame->pict_type        = AV_PICTURE_TYPE_I;
     frame->key_frame        = 1;
-    frame->reordered_opaque = avctx->reordered_opaque;
-    frame->pkt_pts          = avctx->internal->pkt->pts;
+
+    res = ff_decode_frame_props(avctx, frame);
+    if (res < 0)
+        return res;
 
     if (buf_size < context->frame_size - (avctx->pix_fmt == AV_PIX_FMT_PAL8 ?
                                           AVPALETTE_SIZE : 0))

libavcodec/utils.c

@@ -572,6 +572,35 @@ static void compat_release_buffer(void *opaque, uint8_t *data)
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
 
+int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame)
+{
+    AVPacket *pkt = avctx->internal->pkt;
+    uint8_t *packet_sd;
+    int size;
+    AVFrameSideData *frame_sd;
+
+
+    frame->reordered_opaque = avctx->reordered_opaque;
+    if (!pkt) {
+        frame->pkt_pts = AV_NOPTS_VALUE;
+        return 0;
+    }
+
+    frame->pkt_pts = pkt->pts;
+
+    /* copy the replaygain data to the output frame */
+    packet_sd = av_packet_get_side_data(pkt, AV_PKT_DATA_REPLAYGAIN, &size);
+    if (packet_sd) {
+        frame_sd = av_frame_new_side_data(frame, AV_FRAME_DATA_REPLAYGAIN, size);
+        if (!frame_sd)
+            return AVERROR(ENOMEM);
+
+        memcpy(frame_sd->data, packet_sd, size);
+    }
+
+    return 0;
+}
+
 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
 {
     int override_dimensions = 1;
@@ -623,8 +652,9 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
     default: return AVERROR(EINVAL);
     }
 
-    frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
-    frame->reordered_opaque = avctx->reordered_opaque;
+    ret = ff_decode_frame_props(avctx, frame);
+    if (ret < 0)
+        return ret;
 
 #if FF_API_GET_BUFFER
 FF_DISABLE_DEPRECATION_WARNINGS
@@ -762,11 +792,8 @@ int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
     if (!frame->data[0])
         return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
 
-    if (av_frame_is_writable(frame)) {
-        frame->pkt_pts = avctx->internal->pkt ? avctx->internal->pkt->pts : AV_NOPTS_VALUE;
-        frame->reordered_opaque = avctx->reordered_opaque;
-        return 0;
-    }
+    if (av_frame_is_writable(frame))
+        return ff_decode_frame_props(avctx, frame);
 
     tmp = av_frame_alloc();
     if (!tmp)