@@ -1081,6 +1081,8 @@ static int dvvideo_decode_frame(AVCodecContext *avctx,

     const uint8_t *buf = avpkt->data;

     int buf_size = avpkt->size;

     DVVideoContext *s = avctx->priv_data;

+    const uint8_t* vsc_pack;

+    int apt, is16_9;

     s->sys = ff_dv_frame_profile(s->sys, buf, buf_size);

     if (!s->sys || buf_size < s->sys->frame_size || dv_init_dynamic_tables(s->sys)) {

@@ -1114,6 +1116,14 @@ static int dvvideo_decode_frame(AVCodecContext *avctx,

     *data_size = sizeof(AVFrame);

     *(AVFrame*)data = s->picture;

+    /* Determine the codec's sample_aspect ratio from the packet */

+    vsc_pack = buf + 80*5 + 48 + 5;

+    if ( *vsc_pack == dv_video_control ) {

+        apt = buf[4] & 0x07;

+        is16_9 = (vsc_pack && ((vsc_pack[2] & 0x07) == 0x02 || (!apt && (vsc_pack[2] & 0x07) == 0x07)));

+        avctx->sample_aspect_ratio = s->sys->sar[is16_9];

+    }

+

     return s->sys->frame_size;

 }

 #endif /* CONFIG_DVVIDEO_DECODER */