X-Git-Url: http://research.m1stereo.tv/gitweb?a=blobdiff_plain;f=src%2Fmodules%2Fdv%2Fproducer_libdv.c;h=f3d63a6c75c5a7af3c96383ada290f178474fc63;hb=8bf137cd71aafb9c8f6a42c78ddb6bd0a8fe99db;hp=5d2c768e7e926a2da4591ff38308941f60d4c471;hpb=661165812e3410fe2f6f49d7af882b36a0efcf82;p=melted diff --git a/src/modules/dv/producer_libdv.c b/src/modules/dv/producer_libdv.c index 5d2c768..f3d63a6 100644 --- a/src/modules/dv/producer_libdv.c +++ b/src/modules/dv/producer_libdv.c @@ -51,9 +51,10 @@ mlt_producer producer_libdv_init( char *filename ) { producer_libdv this = calloc( sizeof( struct producer_libdv_s ), 1 ); - if ( this != NULL && mlt_producer_init( &this->parent, this ) == 0 ) + if ( filename != NULL && this != NULL && mlt_producer_init( &this->parent, this ) == 0 ) { mlt_producer producer = &this->parent; + mlt_properties properties = mlt_producer_properties( producer ); // Register transport implementation with the producer producer->close = producer_close; @@ -68,11 +69,11 @@ mlt_producer producer_libdv_init( char *filename ) dv_set_audio_correction( this->dv_decoder, DV_AUDIO_CORRECT_AVERAGE ); // Open the file if specified - if ( filename != NULL ) - { - this->fd = open( filename, O_RDONLY ); - producer_collect_info( this ); - } + this->fd = open( filename, O_RDONLY ); + producer_collect_info( this ); + + // Set the resource property (required for all producers) + mlt_properties_set( properties, "resource", filename ); // Return the producer return producer; @@ -128,14 +129,17 @@ static int producer_collect_info( producer_libdv this ) this->frames_in_file = this->file_size / this->frame_size; // Calculate default in/out points - double fps = this->is_pal ? 25 : 30000 / 1001; + double fps = this->is_pal ? 25 : 30000.0 / 1001.0; mlt_timecode length = ( mlt_timecode )( this->frames_in_file ) / fps; mlt_properties_set_double( properties, "fps", fps ); - mlt_properties_set_timecode( properties, "playtime", length ); mlt_properties_set_timecode( properties, "length", length ); mlt_properties_set_timecode( properties, "in", 0.0 ); mlt_properties_set_timecode( properties, "out", length ); + // Parse the header for meta info + dv_parse_header( this->dv_decoder, data ); + mlt_properties_set_double( properties, "aspect_ratio", dv_format_wide( this->dv_decoder ) ? 16.0/9.0 : 4.0/3.0 ); + // Set the speed to normal mlt_properties_set_double( properties, "speed", 1 ); } @@ -146,49 +150,6 @@ static int producer_collect_info( producer_libdv this ) return valid; } -#if 0 -static int mc_producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable ) -{ - // Get the frames properties - mlt_properties properties = mlt_frame_properties( this ); - - // Get the dv data - uint8_t *dv_data = mlt_properties_get_data( properties, "dv_data", NULL ); - - // Determine bytes in frame - int bytes_in_frame = dv_data[ 3 ] & 0x80 ? frame_size_625_50 : frame_size_525_60; - - // Assign width and height from properties - *width = mlt_properties_get_int( properties, "width" ); - *height = mlt_properties_get_int( properties, "height" ); - - if ( *format == mlt_image_yuv422 ) - { - // Allocate image - *buffer = malloc( *width * *height * 2 ); - - // Decompress - DecompressBuffer_DV( dv_data, bytes_in_frame, *buffer, *width * 2, *width, *height, 0, FOURCC_YUYV, 0, NULL ); - - // Set the image on the properties - mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, free, NULL ); - } - else - { - // Allocate image - *buffer = malloc( *width * *height * 3 ); - - // Decompress - DecompressBuffer_DV( dv_data, bytes_in_frame, *buffer, *width * 3, *width, *height, 0, FOURCC_R24C, 0, NULL ); - - // Set the image on the properties - mlt_properties_set_data( properties, "image", *buffer, *width * *height * 2, free, NULL ); - } - - return 0; -} -#endif - static int producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_format *format, int *width, int *height, int writable ) { int pitches[3] = { 0, 0, 0 }; @@ -203,13 +164,13 @@ static int producer_get_image( mlt_frame this, uint8_t **buffer, mlt_image_forma // Get the dv data uint8_t *dv_data = mlt_properties_get_data( properties, "dv_data", NULL ); + // Parse the header for meta info + dv_parse_header( this->dv_decoder, data ); + // Assign width and height from properties *width = mlt_properties_get_int( properties, "width" ); *height = mlt_properties_get_int( properties, "height" ); - // Parse the header - dv_parse_header( decoder, dv_data ); - // Extract an image of the format requested if ( *format == mlt_image_yuv422 ) { @@ -263,7 +224,7 @@ static int producer_get_audio( mlt_frame this, int16_t **buffer, mlt_audio_forma uint8_t *dv_data = mlt_properties_get_data( properties, "dv_data", NULL ); // Parse the header for meta info - dv_parse_header( decoder, dv_data ); + dv_parse_header( this->dv_decoder, data ); // Obtain required values *frequency = decoder->audio->frequency; @@ -327,6 +288,12 @@ static int producer_get_frame( mlt_producer producer, mlt_frame_ptr frame, int i // Update other info on the frame mlt_properties_set_int( properties, "width", 720 ); mlt_properties_set_int( properties, "height", this->is_pal ? 576 : 480 ); + mlt_properties_set_int( properties, "top_field_first", 0 ); + + // Parse the header for meta info + dv_parse_header( this->dv_decoder, data ); + mlt_properties_set_int( properties, "progressive", dv_is_progressive( this->dv_decoder ) ); + mlt_properties_set_double( properties, "aspect_ratio", dv_format_wide( this->dv_decoder ) ? 16.0/9.0 : 4.0/3.0 ); // Hmm - register audio callback ( *frame )->get_audio = producer_get_audio;