*/
#include "libavutil/rational.h"
+#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "dvdata.h"
}
};
-const DVprofile* ff_dv_frame_profile(const DVprofile *sys,
+const DVprofile* avpriv_dv_frame_profile2(AVCodecContext* codec, const DVprofile *sys,
const uint8_t* frame, unsigned buf_size)
{
- int i;
+ int i, dsf, stype;
- int dsf = (frame[3] & 0x80) >> 7;
+ if(buf_size < DV_PROFILE_BYTES)
+ return NULL;
- int stype = frame[80*5 + 48 + 3] & 0x1f;
+ dsf = (frame[3] & 0x80) >> 7;
+ stype = frame[80*5 + 48 + 3] & 0x1f;
/* 576i50 25Mbps 4:1:1 is a special case */
if (dsf == 1 && stype == 0 && frame[4] & 0x07 /* the APT field */) {
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];
return NULL;
}
-const DVprofile* ff_dv_codec_profile(AVCodecContext* codec)
+const DVprofile* avpriv_dv_frame_profile(const DVprofile *sys,
+ const uint8_t* frame, unsigned buf_size)
+{
+ return avpriv_dv_frame_profile2(NULL, sys, frame, buf_size);
+}
+
+const DVprofile* avpriv_dv_codec_profile(AVCodecContext* codec)
{
int i;