producer_avformat.c: bugfix reading file over http.
[melted] / src / modules / avformat / consumer_avformat.c
index d2c6fe1..fbe91e8 100644 (file)
@@ -429,7 +429,6 @@ static AVStream *add_video_stream( mlt_consumer this, AVFormatContext *oc, int c
        if ( st != NULL ) 
        {
                char *pix_fmt = mlt_properties_get( properties, "pix_fmt" );
-               double ar = mlt_properties_get_double( properties, "display_ratio" );
                AVCodecContext *c = st->codec;
 
                // Establish defaults from AVOptions
@@ -451,11 +450,51 @@ static AVStream *add_video_stream( mlt_consumer this, AVFormatContext *oc, int c
                // Set options controlled by MLT
                c->width = mlt_properties_get_int( properties, "width" );
                c->height = mlt_properties_get_int( properties, "height" );
-               c->sample_aspect_ratio = av_d2q( ar * c->height / c->width , 255);
                c->time_base.num = mlt_properties_get_int( properties, "frame_rate_den" );
                c->time_base.den = mlt_properties_get_int( properties, "frame_rate_num" );
                c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
 
+               if ( codec_id == CODEC_ID_DVVIDEO )
+               {
+                       // Compensate for FFmpeg's notion of DV aspect ratios, which are
+                       // based upon a width of 704. Since we do not have a normaliser
+                       // that crops (nor is cropping 720 wide ITU-R 601 video always desirable)
+                       // we just coerce the values to facilitate a passive behaviour through
+                       // the rescale normaliser when using equivalent producers and consumers.
+                       // = display_aspect / (width * height)
+                       double ar = mlt_properties_get_double( properties, "aspect_ratio" );
+                       if ( ar == 8.0/9.0 )  // 4:3 NTSC
+                       {
+                               c->sample_aspect_ratio.num = 10;
+                               c->sample_aspect_ratio.den = 11;
+                       }
+                       else if ( ar == 16.0/15.0 ) // 4:3 PAL
+                       {
+                               c->sample_aspect_ratio.num = 159;
+                               c->sample_aspect_ratio.den = 54;
+                       }
+                       else if ( ar == 32.0/27.0 ) // 16:9 NTSC
+                       {
+                               c->sample_aspect_ratio.num = 40;
+                               c->sample_aspect_ratio.den = 33;
+                       }
+                       else // 16:9 PAL
+                       {
+                               c->sample_aspect_ratio.num = 118;
+                               c->sample_aspect_ratio.den = 81;
+                       }
+               }
+               else if ( mlt_properties_get( properties, "aspect" ) )
+               {
+                       double ar = mlt_properties_get_double( properties, "aspect" );
+                       c->sample_aspect_ratio = av_d2q( ar * c->height / c->width , 255);
+               }
+               else
+               {
+                       c->sample_aspect_ratio.num = mlt_properties_get_int( properties, "sample_aspect_num" );
+                       c->sample_aspect_ratio.den = mlt_properties_get_int( properties, "sample_aspect_den" );
+               }
+
                if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
                {
                        c->flags |= CODEC_FLAG_QSCALE;
@@ -760,13 +799,7 @@ static void *consumer_thread( void *arg )
        // Check for audio codec overides
        if ( acodec != NULL )
        {
-               AVCodec *p = first_avcodec;
-               while( p != NULL ) 
-               {
-                       if ( !strcmp( p->name, acodec ) && p->type == CODEC_TYPE_AUDIO )
-                               break;
-                       p = p->next;
-               }
+               AVCodec *p = avcodec_find_encoder_by_name( acodec );
                if ( p != NULL )
                        audio_codec_id = p->id;
                else
@@ -776,13 +809,7 @@ static void *consumer_thread( void *arg )
        // Check for video codec overides
        if ( vcodec != NULL )
        {
-               AVCodec *p = first_avcodec;
-               while( p != NULL ) 
-               {
-                       if ( !strcmp( p->name, vcodec ) && p->type == CODEC_TYPE_VIDEO )
-                               break;
-                       p = p->next;
-               }
+               AVCodec *p = avcodec_find_encoder_by_name( vcodec );
                if ( p != NULL )
                        video_codec_id = p->id;
                else