@@ -1072,7 +1072,7 @@ static int dvvideo_decode_frame(AVCodecContext *avctx,

     const uint8_t* vsc_pack;

     int apt, is16_9;

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

+    s->sys = ff_dv_frame_profile2(avctx, s->sys, buf, buf_size);

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

         av_log(avctx, AV_LOG_ERROR, "could not find dv frame profile\n");

         return -1; /* NOTE: we only accept several full frames */

@@ -25,6 +25,7 @@

  */

 #include "libavutil/rational.h"

+#include "libavutil/intreadwrite.h"

 #include "avcodec.h"

 #include "dvdata.h"

@@ -245,7 +246,7 @@ static const DVprofile dv_profiles[] = {

     }

 };

-const DVprofile* ff_dv_frame_profile(const DVprofile *sys,

+const DVprofile* ff_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,

                                   const uint8_t* frame, unsigned buf_size)

 {

    int i;

@@ -259,6 +260,9 @@ const DVprofile* ff_dv_frame_profile(const DVprofile *sys,

        return &dv_profiles[2];

    }

+   if(codec && codec->codec_tag==AV_RL32("dvsd") &&  codec->width==720 && codec->height==576)

+       return &dv_profiles[1];

+

    for (i=0; i<FF_ARRAY_ELEMS(dv_profiles); i++)

        if (dsf == dv_profiles[i].dsf && stype == dv_profiles[i].video_stype)

            return &dv_profiles[i];

@@ -270,6 +274,12 @@ const DVprofile* ff_dv_frame_profile(const DVprofile *sys,

    return NULL;

 }

+const DVprofile* ff_dv_frame_profile(const DVprofile *sys,

+                                  const uint8_t* frame, unsigned buf_size)

+{

+    return ff_dv_frame_profile2(NULL, sys, frame, buf_size);

+}

+

 const DVprofile* ff_dv_codec_profile(AVCodecContext* codec)

 {

     int i;

@@ -276,6 +276,8 @@ enum dv_pack_type {

 const DVprofile* ff_dv_frame_profile(const DVprofile *sys,

                                   const uint8_t* frame, unsigned buf_size);

+const DVprofile* ff_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,

+                                  const uint8_t* frame, unsigned buf_size);

 const DVprofile* ff_dv_codec_profile(AVCodecContext* codec);

 static inline int dv_write_dif_id(enum dv_section_type t, uint8_t chan_num,