@@ -84,6 +84,11 @@ typedef struct AVCodecInternal {

     unsigned int byte_buffer_size;

     void *frame_thread_encoder;

+

+    /**

+     * Number of audio samples to skip at the start of the next decoded frame

+     */

+    int skip_samples;

 } AVCodecInternal;

 struct AVCodecDefault {

@@ -1627,6 +1627,8 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,

     }

     if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {

+        uint8_t *side;

+        int side_size;

         // copy to ensure we do not change avpkt

         AVPacket tmp = *avpkt;

         int did_split = av_packet_split_side_data(&tmp);

@@ -1645,6 +1647,22 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,

                 frame->sample_rate = avctx->sample_rate;

         }

+        side= av_packet_get_side_data(avctx->pkt, AV_PKT_DATA_SKIP_SAMPLES, &side_size);

+        if(side && side_size>=10) {

+            avctx->internal->skip_samples = AV_RL32(side);

+        }

+        if (avctx->internal->skip_samples) {

+            if(frame->nb_samples <= avctx->internal->skip_samples){

+                *got_frame_ptr = 0;

+                avctx->internal->skip_samples -= frame->nb_samples;

+            } else {

+                av_samples_copy(frame->extended_data, frame->extended_data, 0, avctx->internal->skip_samples,

+                                frame->nb_samples - avctx->internal->skip_samples, avctx->channels, frame->format);

+                frame->nb_samples -= avctx->internal->skip_samples;

+                avctx->internal->skip_samples = 0;

+            }

+        }

+

         avctx->pkt = NULL;

         if (did_split) {

             ff_packet_free_side_data(&tmp);