#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
+#include <sys/stat.h>
typedef struct producer_ffmpeg_s *producer_ffmpeg;
producer_ffmpeg this = calloc( sizeof( struct producer_ffmpeg_s ), 1 );
if ( file != NULL && this != NULL && mlt_producer_init( &this->parent, this ) == 0 )
{
+ int usable = 1;
+
// Get the producer
mlt_producer producer = &this->parent;
}
else
{
+ struct stat buf;
+ if ( stat( file, &buf ) != 0 || !S_ISREG( buf.st_mode ) )
+ usable = 0;
mlt_properties_set( properties, "video_type", "file" );
mlt_properties_set( properties, "video_file", file );
mlt_properties_set( properties, "video_size", "" );
this->buffer = malloc( 1024 * 1024 * 2 );
+ if ( !usable )
+ {
+ mlt_producer_close( &this->parent );
+ producer = NULL;
+ }
+
return producer;
}
free( this );
this->open = 1;
}
-static int sample_calculator( float fps, int frequency, int64_t position )
-{
- int samples = 0;
-
- if ( fps > 29 && fps <= 30 )
- {
- samples = frequency / 30;
-
- switch ( frequency )
- {
- case 48000:
- if ( position % 5 != 0 )
- samples += 2;
- break;
- case 44100:
- if ( position % 300 == 0 )
- samples = 1471;
- else if ( position % 30 == 0 )
- samples = 1470;
- else if ( position % 2 == 0 )
- samples = 1472;
- else
- samples = 1471;
- break;
- case 32000:
- if ( position % 30 == 0 )
- samples = 1068;
- else if ( position % 29 == 0 )
- samples = 1067;
- else if ( position % 4 == 2 )
- samples = 1067;
- else
- samples = 1068;
- break;
- default:
- samples = 0;
- }
- }
- else if ( fps != 0 )
- {
- samples = frequency / fps;
- }
-
- return samples;
-}
-
static int producer_get_audio( mlt_frame this, int16_t **buffer, mlt_audio_format *format, int *frequency, int *channels, int *samples )
{
// Get the frames properties
{
do
{
- *samples = sample_calculator( fps, *frequency, target - skip );
+ *samples = mlt_sample_calculator( fps, *frequency, target - skip );
if ( fread( *buffer, *samples * *channels * 2, 1, producer->audio ) != 1 )
{
rwpipe_close( producer->audio_pipe );
}
else
{
- *samples = sample_calculator( fps, *frequency, target );
+ *samples = mlt_sample_calculator( fps, *frequency, target );
memset( *buffer, 0, size );
}