* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "mlt_factory.h"
#include "mlt_producer.h"
#include "mlt_frame.h"
+#include "mlt_profile.h"
+
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/time.h>
+static void mlt_consumer_frame_render( mlt_listener listener, mlt_properties owner, mlt_service this, void **args );
static void mlt_consumer_frame_show( mlt_listener listener, mlt_properties owner, mlt_service this, void **args );
+static void mlt_consumer_property_changed( mlt_service owner, mlt_consumer this, char *name );
+static void apply_profile_properties( mlt_profile profile, mlt_properties properties );
+
+static mlt_event g_event_listener = NULL;
/** Public final methods
*/
if ( error == 0 )
{
// Get the properties from the service
- mlt_properties properties = mlt_service_properties( &this->parent );
-
- // Get the normalisation preference
- char *normalisation = mlt_environment( "MLT_NORMALISATION" );
-
- // Deal with normalisation
- if ( normalisation == NULL || strcmp( normalisation, "NTSC" ) )
- {
- mlt_properties_set( properties, "normalisation", "PAL" );
- mlt_properties_set_double( properties, "fps", 25.0 );
- mlt_properties_set_int( properties, "width", 720 );
- mlt_properties_set_int( properties, "height", 576 );
- mlt_properties_set_int( properties, "progressive", 0 );
- mlt_properties_set_double( properties, "aspect_ratio", 128.0 / 117.0 );
- }
- else
- {
- mlt_properties_set( properties, "normalisation", "NTSC" );
- mlt_properties_set_double( properties, "fps", 30000.0 / 1001.0 );
- mlt_properties_set_int( properties, "width", 720 );
- mlt_properties_set_int( properties, "height", 480 );
- mlt_properties_set_int( properties, "progressive", 0 );
- mlt_properties_set_double( properties, "aspect_ratio", 72.0 / 79.0 );
- }
+ mlt_properties properties = MLT_SERVICE_PROPERTIES( &this->parent );
+
+ // Apply the profile to properties for legacy integration
+ apply_profile_properties( mlt_profile_get(), properties );
// Default rescaler for all consumers
mlt_properties_set( properties, "rescale", "bilinear" );
this->format = mlt_image_yuv422;
mlt_events_register( properties, "consumer-frame-show", ( mlt_transmitter )mlt_consumer_frame_show );
+ mlt_events_register( properties, "consumer-frame-render", ( mlt_transmitter )mlt_consumer_frame_render );
mlt_events_register( properties, "consumer-stopped", NULL );
+ // Register a property-changed listener to handle the profile property -
+ // subsequent properties can override the profile
+ g_event_listener = mlt_events_listen( properties, this, "property-changed", ( mlt_listener )mlt_consumer_property_changed );
+
// Create the push mutex and condition
pthread_mutex_init( &this->put_mutex, NULL );
pthread_cond_init( &this->put_cond, NULL );
return error;
}
+static void apply_profile_properties( mlt_profile profile, mlt_properties properties )
+{
+ mlt_properties_set_double( properties, "fps", mlt_profile_fps( profile ) );
+ mlt_properties_set_int( properties, "frame_rate_num", profile->frame_rate_num );
+ mlt_properties_set_int( properties, "frame_rate_den", profile->frame_rate_den );
+ mlt_properties_set_int( properties, "width", profile->width );
+ mlt_properties_set_int( properties, "height", profile->height );
+ mlt_properties_set_int( properties, "progressive", profile->progressive );
+ mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
+ mlt_properties_set_int( properties, "sample_aspect_num", profile->sample_aspect_num );
+ mlt_properties_set_int( properties, "sample_aspect_den", profile->sample_aspect_den );
+ mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
+ mlt_properties_set_int( properties, "display_aspect_num", profile->display_aspect_num );
+ mlt_properties_set_int( properties, "display_aspect_num", profile->display_aspect_num );
+}
+
+static void mlt_consumer_property_changed( mlt_service owner, mlt_consumer this, char *name )
+{
+ if ( !strcmp( name, "profile" ) )
+ {
+ // Get the properies
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+
+ // Locate the profile
+ mlt_profile_select( mlt_properties_get( properties, "profile" ) );
+
+ // Stop listening to this
+ mlt_event_block( g_event_listener );
+
+ // Apply to properties
+ apply_profile_properties( mlt_profile_get(), properties );
+ }
+}
+
static void mlt_consumer_frame_show( mlt_listener listener, mlt_properties owner, mlt_service this, void **args )
{
if ( listener != NULL )
listener( owner, this, ( mlt_frame )args[ 0 ] );
}
+static void mlt_consumer_frame_render( mlt_listener listener, mlt_properties owner, mlt_service this, void **args )
+{
+ if ( listener != NULL )
+ listener( owner, this, ( mlt_frame )args[ 0 ] );
+}
+
/** Create a new consumer.
*/
mlt_properties mlt_consumer_properties( mlt_consumer this )
{
- return this != NULL ? mlt_service_properties( &this->parent ) : NULL;
+ return this != NULL ? MLT_SERVICE_PROPERTIES( &this->parent ) : NULL;
}
/** Connect the consumer to the producer.
int mlt_consumer_start( mlt_consumer this )
{
// Get the properies
- mlt_properties properties = mlt_consumer_properties( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
// Determine if there's a test card producer
char *test_card = mlt_properties_get( properties, "test_card" );
+ // Just to make sure nothing is hanging around...
+ mlt_frame_close( this->put );
+ this->put = NULL;
+ this->put_active = 1;
+
// Deal with it now.
if ( test_card != NULL )
{
if ( producer != NULL )
{
// Test card should loop I guess...
- mlt_properties_set( mlt_producer_properties( producer ), "eof", "loop" );
+ mlt_properties_set( MLT_PRODUCER_PROPERTIES( producer ), "eof", "loop" );
+ //mlt_producer_set_speed( producer, 0 );
+ //mlt_producer_set_in_and_out( producer, 0, 0 );
// Set the test card on the consumer
mlt_properties_set_data( properties, "test_card_producer", producer, 0, ( mlt_destructor )mlt_producer_close, NULL );
int error = 1;
// Get the service assoicated to the consumer
- mlt_service service = mlt_consumer_service( this );
+ mlt_service service = MLT_CONSUMER_SERVICE( this );
if ( mlt_service_producer( service ) == NULL )
{
+ struct timeval now;
+ struct timespec tm;
pthread_mutex_lock( &this->put_mutex );
- if ( this->put != NULL )
- pthread_cond_wait( &this->put_cond, &this->put_mutex );
- if ( this->put == NULL )
+ while ( this->put_active && this->put != NULL )
+ {
+ gettimeofday( &now, NULL );
+ tm.tv_sec = now.tv_sec + 1;
+ tm.tv_nsec = now.tv_usec * 1000;
+ pthread_cond_timedwait( &this->put_cond, &this->put_mutex, &tm );
+ }
+ if ( this->put_active && this->put == NULL )
this->put = frame;
else
mlt_frame_close( frame );
mlt_frame frame = NULL;
// Get the service assoicated to the consumer
- mlt_service service = mlt_consumer_service( this );
+ mlt_service service = MLT_CONSUMER_SERVICE( this );
+
+ // Get the consumer properties
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
// Get the frame
- if ( mlt_service_producer( service ) == NULL )
+ if ( mlt_service_producer( service ) == NULL && mlt_properties_get_int( properties, "put_mode" ) )
{
+ struct timeval now;
+ struct timespec tm;
pthread_mutex_lock( &this->put_mutex );
- if ( this->put == NULL )
- pthread_cond_wait( &this->put_cond, &this->put_mutex );
+ while ( this->put_active && this->put == NULL )
+ {
+ gettimeofday( &now, NULL );
+ tm.tv_sec = now.tv_sec + 1;
+ tm.tv_nsec = now.tv_usec * 1000;
+ pthread_cond_timedwait( &this->put_cond, &this->put_mutex, &tm );
+ }
frame = this->put;
this->put = NULL;
pthread_cond_broadcast( &this->put_cond );
if ( frame != NULL )
mlt_service_apply_filters( service, frame, 0 );
}
-
- if ( frame != NULL || mlt_service_get_frame( service, &frame, 0 ) == 0 )
+ else if ( mlt_service_producer( service ) != NULL )
+ {
+ mlt_service_get_frame( service, &frame, 0 );
+ }
+ else
{
- // Get the consumer properties
- mlt_properties properties = mlt_consumer_properties( this );
+ frame = mlt_frame_init( );
+ }
+ if ( frame != NULL )
+ {
// Get the frame properties
- mlt_properties frame_properties = mlt_frame_properties( frame );
+ mlt_properties frame_properties = MLT_FRAME_PROPERTIES( frame );
// Get the test card producer
mlt_producer test_card = mlt_properties_get_data( properties, "test_card_producer", NULL );
// Aspect ratio and other jiggery pokery
mlt_properties_set_double( frame_properties, "consumer_aspect_ratio", mlt_properties_get_double( properties, "aspect_ratio" ) );
- if ( mlt_properties_get_int( properties, "progressive" ) || mlt_properties_get_int( properties, "deinterlace" ) )
- mlt_properties_set_int( frame_properties, "consumer_deinterlace", 1 );
+ mlt_properties_set_int( frame_properties, "consumer_deinterlace", mlt_properties_get_int( properties, "progressive" ) | mlt_properties_get_int( properties, "deinterlace" ) );
+ mlt_properties_set( frame_properties, "deinterlace_method", mlt_properties_get( properties, "deinterlace_method" ) );
}
// Return the frame
return time1->tv_sec * 1000000 + time1->tv_usec - time2.tv_sec * 1000000 - time2.tv_usec;
}
+int mlt_consumer_profile( mlt_properties properties, char *profile )
+{
+ mlt_profile p = mlt_profile_select( profile );
+ if ( p )
+ {
+ apply_profile_properties( p, properties );
+ return 1;
+ }
+ else
+ {
+ return 0;
+ }
+}
+
static void *consumer_read_ahead_thread( void *arg )
{
// The argument is the consumer
mlt_consumer this = arg;
// Get the properties of the consumer
- mlt_properties properties = mlt_consumer_properties( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
// Get the width and height
int width = mlt_properties_get_int( properties, "width" );
// See if video is turned off
int video_off = mlt_properties_get_int( properties, "video_off" );
+ int preview_off = mlt_properties_get_int( properties, "preview_off" );
+ int preview_format = mlt_properties_get_int( properties, "preview_format" );
// Get the audio settings
mlt_audio_format afmt = mlt_audio_pcm;
int64_t time_frame = 0;
int64_t time_process = 0;
int skip_next = 0;
+ mlt_service lock_object = NULL;
+
+ if ( preview_off && preview_format != 0 )
+ this->format = preview_format;
// Get the first frame
frame = mlt_consumer_get_frame( this );
+ // Get the lock object
+ lock_object = mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "consumer_lock_service", NULL );
+
+ // Lock it
+ if ( lock_object ) mlt_service_lock( lock_object );
+
// Get the image of the first frame
if ( !video_off )
+ {
+ mlt_events_fire( MLT_CONSUMER_PROPERTIES( this ), "consumer-frame-render", frame, NULL );
mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
+ }
if ( !audio_off )
{
samples = mlt_sample_calculator( fps, frequency, counter++ );
mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples );
- frame->get_audio = NULL;
}
- mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
+ // Unlock the lock object
+ if ( lock_object ) mlt_service_unlock( lock_object );
+
+ // Mark as rendered
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "rendered", 1 );
// Get the starting time (can ignore the times above)
gettimeofday( &ante, NULL );
// Continue to read ahead
while ( this->ahead )
{
+ // Fetch width/height again
+ width = mlt_properties_get_int( properties, "width" );
+ height = mlt_properties_get_int( properties, "height" );
+
// Put the current frame into the queue
pthread_mutex_lock( &this->mutex );
while( this->ahead && mlt_deque_count( this->queue ) >= buffer )
mlt_deque_push_back( this->queue, frame );
pthread_cond_broadcast( &this->cond );
pthread_mutex_unlock( &this->mutex );
+
time_wait += time_difference( &ante );
// Get the next frame
frame = mlt_consumer_get_frame( this );
time_frame += time_difference( &ante );
+ // If there's no frame, we're probably stopped...
+ if ( frame == NULL )
+ continue;
+
+ // Attempt to fetch the lock object
+ lock_object = mlt_properties_get_data( MLT_FRAME_PROPERTIES( frame ), "consumer_lock_service", NULL );
+
// Increment the count
count ++;
+ // Lock if there's a lock object
+ if ( lock_object ) mlt_service_lock( lock_object );
+
// All non normal playback frames should be shown
- if ( mlt_properties_get_int( mlt_frame_properties( frame ), "_speed" ) != 1 )
+ if ( mlt_properties_get_int( MLT_FRAME_PROPERTIES( frame ), "_speed" ) != 1 )
{
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "consumer_deinterlace", 1 );
skipped = 0;
time_frame = 0;
time_process = 0;
{
// Get the image, mark as rendered and time it
if ( !video_off )
+ {
+ mlt_events_fire( MLT_CONSUMER_PROPERTIES( this ), "consumer-frame-render", frame, NULL );
mlt_frame_get_image( frame, &image, &this->format, &width, &height, 0 );
- mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
+ }
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "rendered", 1 );
}
else
{
{
samples = mlt_sample_calculator( fps, frequency, counter++ );
mlt_frame_get_audio( frame, &pcm, &afmt, &frequency, &channels, &samples );
- frame->get_audio = NULL;
}
// Increment the time take for this frame
// Determine if the next frame should be skipped
if ( mlt_deque_count( this->queue ) <= 5 && ( ( time_wait + time_frame + time_process ) / count ) > 40000 )
skip_next = 1;
+
+ // Unlock if there's a lock object
+ if ( lock_object ) mlt_service_unlock( lock_object );
}
// Remove the last frame
static void consumer_read_ahead_start( mlt_consumer this )
{
- pthread_attr_t thread_attributes;
-
// We're running now
this->ahead = 1;
// Create the condition
pthread_cond_init( &this->cond, NULL );
- // Inherit the scheduling priority
- pthread_attr_init( &thread_attributes );
- pthread_attr_setinheritsched( &thread_attributes, PTHREAD_INHERIT_SCHED );
-
// Create the read ahead
- pthread_create( &this->ahead_thread, &thread_attributes, consumer_read_ahead_thread, this );
+ pthread_create( &this->ahead_thread, NULL, consumer_read_ahead_thread, this );
}
static void consumer_read_ahead_stop( mlt_consumer this )
mlt_frame frame = NULL;
// Get the properties
- mlt_properties properties = mlt_consumer_properties( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
// Check if the user has requested real time or not
if ( this->real_time )
frame = mlt_consumer_get_frame( this );
// This isn't true, but from the consumers perspective it is
- mlt_properties_set_int( mlt_frame_properties( frame ), "rendered", 1 );
+ if ( frame != NULL )
+ mlt_properties_set_int( MLT_FRAME_PROPERTIES( frame ), "rendered", 1 );
}
return frame;
void mlt_consumer_stopped( mlt_consumer this )
{
- mlt_properties_set_int( mlt_consumer_properties( this ), "running", 0 );
- mlt_events_fire( mlt_consumer_properties( this ), "consumer-stopped", NULL );
+ mlt_properties_set_int( MLT_CONSUMER_PROPERTIES( this ), "running", 0 );
+ mlt_events_fire( MLT_CONSUMER_PROPERTIES( this ), "consumer-stopped", NULL );
}
/** Stop the consumer.
int mlt_consumer_stop( mlt_consumer this )
{
// Get the properies
- mlt_properties properties = mlt_consumer_properties( this );
+ mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
+ char *debug = mlt_properties_get( MLT_CONSUMER_PROPERTIES( this ), "debug" );
+
+ // Just in case...
+ if ( debug ) fprintf( stderr, "%s: stopping put waiting\n", debug );
+ pthread_mutex_lock( &this->put_mutex );
+ this->put_active = 0;
+ pthread_cond_broadcast( &this->put_cond );
+ pthread_mutex_unlock( &this->put_mutex );
// Stop the consumer
+ if ( debug ) fprintf( stderr, "%s: stopping consumer\n", debug );
if ( this->stop != NULL )
this->stop( this );
// Check if the user has requested real time or not and stop if necessary
+ if ( debug ) fprintf( stderr, "%s: stopping read_ahead\n", debug );
if ( mlt_properties_get_int( properties, "real_time" ) )
consumer_read_ahead_stop( this );
- // Just in case...
- pthread_mutex_lock( &this->put_mutex );
- pthread_cond_broadcast( &this->put_cond );
- pthread_mutex_unlock( &this->put_mutex );
-
// Kill the test card
mlt_properties_set_data( properties, "test_card_producer", NULL, 0, NULL, NULL );
if ( mlt_properties_get( properties, "post" ) )
system( mlt_properties_get( properties, "post" ) );
+ if ( debug ) fprintf( stderr, "%s: stopped\n", debug );
+
return 0;
}
void mlt_consumer_close( mlt_consumer this )
{
- if ( this != NULL && mlt_properties_dec_ref( mlt_consumer_properties( this ) ) <= 0 )
+ if ( this != NULL && mlt_properties_dec_ref( MLT_CONSUMER_PROPERTIES( this ) ) <= 0 )
{
// Get the childs close function
void ( *consumer_close )( ) = this->close;
- // Make sure it only gets called once
- this->close = NULL;
- this->parent.close = NULL;
-
- // Destroy the push mutex and condition
- pthread_cond_broadcast( &this->put_cond );
- pthread_mutex_destroy( &this->put_mutex );
- pthread_cond_destroy( &this->put_cond );
+ if ( consumer_close )
+ {
+ // Just in case...
+ //mlt_consumer_stop( this );
- // Call the childs close if available
- if ( consumer_close != NULL )
+ this->close = NULL;
consumer_close( this );
+ }
else
+ {
+ // Make sure it only gets called once
+ this->parent.close = NULL;
+
+ // Destroy the push mutex and condition
+ pthread_mutex_destroy( &this->put_mutex );
+ pthread_cond_destroy( &this->put_cond );
+
mlt_service_close( &this->parent );
+ }
}
}
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