[vlmc-devel] [PATCH] Integrate libVLC consumer into VLMC

Paweł Goliński golpaw1 at gmail.com
Fri Jul 22 17:03:54 CEST 2016


> Wiadomość napisana przez yikei lu <luyikei.qmltu at gmail.com> w dniu 22.07.2016, o godz. 16:59:
> 
> 2016-07-22 3:07 GMT+09:00 Pawel Golinski <golpaw1 at gmail.com>:
> 
> I didn't look at the actual vlc consuemr code, so I do it here. Sorry
> 
>> ---
>> src/Backend/MLT/MLTBackend.cpp                     |  15 +
>> src/Backend/MLT/modules/libvlc/consumer_libvlc.c   | 559 +++++++++++++++++++++
>> src/Backend/MLT/modules/libvlc/consumer_libvlc.yml |  70 +++
>> .../MLT/modules/libvlc/consumer_libvlc_window.yml  |  39 ++
>> src/CMakeLists.txt                                 |   8 +-
>> 5 files changed, 689 insertions(+), 2 deletions(-)
>> create mode 100644 src/Backend/MLT/modules/libvlc/consumer_libvlc.c
>> create mode 100644 src/Backend/MLT/modules/libvlc/consumer_libvlc.yml
>> create mode 100644 src/Backend/MLT/modules/libvlc/consumer_libvlc_window.yml
>> 
>> diff --git a/src/Backend/MLT/MLTBackend.cpp b/src/Backend/MLT/MLTBackend.cpp
>> index 3d39930..c466995 100644
>> --- a/src/Backend/MLT/MLTBackend.cpp
>> +++ b/src/Backend/MLT/MLTBackend.cpp
>> @@ -5,6 +5,7 @@
>>  * Copyright (C) 2008-2016 VideoLAN
>>  *
>>  * Authors: Yikei Lu <luyikei.qmltu at gmail.com>
>> + *          Pawel Golinski <golpaw1 at gmail.com>
>>  *
>>  * This program is free software; you can redistribute it and/or
>>  * modify it under the terms of the GNU General Public License
>> @@ -43,6 +44,15 @@ using namespace Backend::MLT;
>> static Backend::IBackend::LogHandler    staticLogHandler;
>> static std::mutex                       logMutex;
>> 
>> +extern "C" mlt_consumer consumer_libvlc_init( mlt_profile profile, mlt_service_type type, const char *id, const void *arg );
>> +
>> +static mlt_properties metadata( mlt_service_type type, const char *id, void *data )
>> +{
>> +    char file[ 4096 ];
>> +    snprintf( file, 4096, "%s%s", MLT_MODULES_PATH, (char*)data );
>> +    return mlt_properties_parse_yaml( file );
>> +}
>> +
>> IBackend*
>> Backend::instance()
>> {
>> @@ -54,6 +64,11 @@ MLTBackend::MLTBackend()
>>     m_mltRepo = Mlt::Factory::init();
>>     m_profile.setFrameRate( 2997, 100 );
>> 
>> +    m_mltRepo->register_service( consumer_type, "libvlc", (mlt_register_callback)consumer_libvlc_init );
>> +    m_mltRepo->register_service( consumer_type, "libvlc_window", (mlt_register_callback)consumer_libvlc_init );
>> +    m_mltRepo->register_metadata( consumer_type, "libvlc", metadata, (void*)"/libvlc/consumer_libvlc.yml" );
>> +    m_mltRepo->register_metadata( consumer_type, "libvlc_window", metadata, (void*)"/libvlc/consumer_libvlc_window.yml" );
>> +
>>     for ( int i = 0; i < m_mltRepo->filters()->count(); ++i )
>>     {
>>         auto pro = std::unique_ptr<Mlt::Properties>( m_mltRepo->metadata( filter_type, m_mltRepo->filters()->get_name( i ) ) );
>> diff --git a/src/Backend/MLT/modules/libvlc/consumer_libvlc.c b/src/Backend/MLT/modules/libvlc/consumer_libvlc.c
>> new file mode 100644
>> index 0000000..a34f8fa
>> --- /dev/null
>> +++ b/src/Backend/MLT/modules/libvlc/consumer_libvlc.c
>> @@ -0,0 +1,559 @@
>> +/*****************************************************************************
>> + * consumer_libvlc.c: libVLC consumer plugin for MLT
>> + *****************************************************************************
>> + * Copyright (C) 2008-2016 VideoLAN
>> + *
>> + * Authors: Pawel Golinski <golpaw1 at gmail.com>
>> + *
>> + * 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 program 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.
>> + *
>> + * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
>> + *****************************************************************************/
>> +
>> +#include <framework/mlt.h>
>> +
>> +#include <vlc/vlc.h>
>> +
>> +#include <stdio.h>
>> +#include <stdlib.h>
>> +#include <assert.h>
>> +#include <string.h>
>> +
>> +#define VIDEO_COOKIE 0
>> +#define AUDIO_COOKIE 1
>> +
>> +#define INITIAL_POSITION -1
>> +
>> +// Debug code
>> +
>> +pthread_mutex_t log_mutex;
>> +
>> +static void log_cb( void *data, int level, const libvlc_log_t *ctx, const char *fmt, va_list args )
>> +{
>> +       pthread_mutex_lock( &log_mutex );
>> +       printf( "VLC LOG: " );
>> +       vprintf( fmt, args );
>> +       printf( "\n" );
>> +       pthread_mutex_unlock( &log_mutex );
>> +}
>> +
>> +typedef struct consumer_libvlc_s *consumer_libvlc;
>> +
>> +struct consumer_libvlc_s
>> +{
>> +       mlt_consumer parent;
>> +       libvlc_instance_t *vlc;
>> +       libvlc_media_t *media;
>> +       libvlc_media_player_t *media_player;
>> +       libvlc_event_manager_t *mp_manager;
>> +       int64_t latest_video_pts;
>> +       int64_t latest_audio_pts;
>> +       mlt_deque frame_queue;
>> +       pthread_mutex_t queue_mutex;
>> +       mlt_position video_position;
>> +       mlt_position audio_position;
>> +       void *video_imem_data;
>> +       void *audio_imem_data;
>> +       int running;
>> +       int output_to_window;
>> +};
>> +
>> +static void setup_vlc( consumer_libvlc self );
>> +static void setup_vlc_sout( consumer_libvlc self );
>> +static int setup_vlc_window( consumer_libvlc self );
>> +static int imem_get( void *data, const char* cookie, int64_t *dts, int64_t *pts,
>> +                                        unsigned *flags, size_t *bufferSize, void **buffer );
>> +static void imem_release( void *data, const char* cookie, size_t buffSize, void *buffer );
>> +static int consumer_start( mlt_consumer parent );
>> +static int consumer_stop( mlt_consumer parent );
>> +static int consumer_is_stopped( mlt_consumer parent );
>> +static void consumer_close( mlt_consumer parent );
>> +static void consumer_purge( mlt_consumer parent );
>> +static void mp_callback( const struct libvlc_event_t *evt, void *data );
>> +
>> +mlt_consumer consumer_libvlc_init( mlt_profile profile, mlt_service_type type, const char *id, const void *arg )
>> +{
>> +       int err;
>> +       mlt_consumer parent = NULL;
>> +       consumer_libvlc self = NULL;
>> +
>> +       // Allocate the consumer data structures
>> +       parent = calloc( 1, sizeof( struct mlt_consumer_s ) );
> 
> Why don't you use mlt_consumer_new?

Dunno, got inspired by some MLT code elsewhere.

> 
>> +       self = calloc( 1, sizeof( struct consumer_libvlc_s ) );
>> +       assert( parent != NULL && self != NULL );
>> +       err = mlt_consumer_init( parent, self, profile );
>> +       assert( err == 0 );
>> +
>> +       mlt_properties properties = MLT_CONSUMER_PROPERTIES( parent );
>> +       mlt_properties_set_lcnumeric( properties, "C" );
>> +       self->parent = parent;
>> +
>> +       // Set default libVLC specific properties
>> +       mlt_properties_set( properties, "input_vcodec", "RGBA" );
>> +       mlt_properties_set( properties, "input_acodec", "s16l" );
>> +       mlt_properties_set( properties, "output_vcodec", "mp2v" );
>> +       mlt_properties_set( properties, "output_acodec", "mpga" );
>> +       mlt_properties_set_int( properties, "output_vb", 8000000 );
>> +       mlt_properties_set_int( properties, "output_ab", 128000 );
>> +       if ( self->output_to_window )
>> +               mlt_properties_set_data( properties, "output_dst", arg, 0, NULL, NULL );
>> +       else
>> +               mlt_properties_set( properties, "output_dst", ( char* )arg );
>> +       mlt_properties_set( properties, "output_mux", "ps" );
>> +       mlt_properties_set( properties, "output_access", "file" );
>> +
>> +       self->vlc = libvlc_new( 0, NULL );
>> +       assert( self->vlc != NULL );
>> +
>> +       // Debug code
>> +       libvlc_log_set( self->vlc, log_cb, NULL );
>> +       pthread_mutex_init( &log_mutex, NULL );
>> +
>> +       self->frame_queue = mlt_deque_init( );
>> +       assert( self->frame_queue != NULL );
>> +
>> +       pthread_mutex_init( &self->queue_mutex, NULL );
>> +
>> +       parent->start = consumer_start;
>> +       parent->stop = consumer_stop;
>> +       parent->is_stopped = consumer_is_stopped;
>> +       parent->close = consumer_close;
>> +       parent->purge = consumer_purge;
>> +
>> +       // Set output_to_window flag if needed
>> +       if ( !strcmp( id, "libvlc_window" ) )
>> +               self->output_to_window = 1;
>> +
>> +       return parent;
>> +}
>> +
>> +static void setup_vlc( consumer_libvlc self )
>> +{
>> +       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +
>> +       // imem setup phase
>> +
>> +       // Allocate buffers
>> +       char imem_video_conf[ 512 ];
>> +       char imem_audio_conf[ 512 ];
>> +       char imem_get_conf[ 512 ];
>> +       char imem_release_conf[ 512 ];
>> +       char imem_data_conf[ 512 ];
>> +
>> +       // We will create media using imem MRL
>> +       sprintf( imem_video_conf, "imem://width=%i:height=%i:dar=%s:fps=%s/1:cookie=0:codec=%s:cat=2:caching=0",
>> +               mlt_properties_get_int( properties, "width" ),
>> +               mlt_properties_get_int( properties, "height" ),
>> +               mlt_properties_get( properties, "display_ratio" ),
>> +               mlt_properties_get( properties, "fps" ),
>> +               mlt_properties_get( properties, "input_vcodec" ) );
>> +
>> +       // Audio stream will be added as input slave
>> +       sprintf( imem_audio_conf, ":input-slave=imem://cookie=1:cat=1:codec=%s:samplerate=%d:channels=%d:caching=0",
>> +               mlt_properties_get( properties, "input_acodec" ),
>> +               mlt_properties_get_int( properties, "frequency" ),
>> +               mlt_properties_get_int( properties, "channels" ) );
>> +
>> +       // This configures imem callbacks
>> +       sprintf( imem_get_conf,
>> +               ":imem-get=%" PRIdPTR,
>> +               (intptr_t)(void*)&imem_get );
>> +
>> +       sprintf( imem_release_conf,
>> +               ":imem-release=%" PRIdPTR,
>> +               (intptr_t)(void*)&imem_release );
>> +
>> +       sprintf( imem_data_conf,
>> +               ":imem-data=%" PRIdPTR,
>> +               (intptr_t)(void*)self );
>> +
>> +       // Create media...
>> +       self->media = libvlc_media_new_location( self->vlc, imem_video_conf );
>> +       assert( self->media != NULL );
>> +
>> +       // ...and apply configuration parameters.
>> +       libvlc_media_add_option( self->media, imem_audio_conf );
>> +       libvlc_media_add_option( self->media, imem_get_conf );
>> +       libvlc_media_add_option( self->media, imem_release_conf );
>> +       libvlc_media_add_option( self->media, imem_data_conf );
>> +
>> +       // Setup sout chain if we're not outputting to window
>> +       if ( !self->output_to_window )
>> +       {
>> +               setup_vlc_sout( self );
>> +       }
>> +}
>> +
>> +static void setup_vlc_sout( consumer_libvlc self )
>> +{
>> +       assert( self->media != NULL );
>> +
>> +       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +
>> +       char sout_conf[ 512 ];
>> +
>> +       // This configures file output
>> +       sprintf( sout_conf, ":sout=#transcode{"
>> +               "vcodec=%s,fps=%s,width=%d,height=%d,vb=%d,"
>> +               "acodec=%s,channels=%d,samplerate=%d,ab=%d}"
>> +               ":standard{access=%s,mux=%s,dst=\"%s\"}",
>> +               mlt_properties_get( properties, "output_vcodec" ),
>> +               mlt_properties_get( properties, "fps" ),
>> +               mlt_properties_get_int( properties, "width" ),
>> +               mlt_properties_get_int( properties, "height" ),
>> +               mlt_properties_get_int( properties, "output_vb" ),
>> +               mlt_properties_get( properties, "output_acodec" ),
>> +               mlt_properties_get_int( properties, "channels" ),
>> +               mlt_properties_get_int( properties, "frequency" ),
>> +               mlt_properties_get_int( properties, "output_ab" ),
>> +               mlt_properties_get( properties, "output_access" ),
>> +               mlt_properties_get( properties, "output_mux" ),
>> +               mlt_properties_get( properties, "output_dst" ) );
>> +
>> +       libvlc_media_add_option( self->media, sout_conf );
>> +}
>> +
>> +static int setup_vlc_window( consumer_libvlc self )
>> +{
>> +       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +
>> +       char *window_type = mlt_properties_get( properties, "window_type" );
>> +       void *window_handle = mlt_properties_get_data( properties, "output_dst", NULL );
>> +
>> +       if ( window_type != NULL && window_handle != NULL )
>> +       {
>> +               if ( !strcmp( window_type, "nsobject") )
>> +               {
>> +                       libvlc_media_player_set_nsobject( self->media_player, window_handle );
>> +               }
>> +               else if ( !strcmp( window_type, "xwindow" ) )
>> +               {
>> +                       libvlc_media_player_set_xwindow( self->media_player, ( uint32_t )window_handle );
>> +               }
>> +               else if ( !strcmp( window_type, "hwnd" ) )
>> +               {
>> +                       libvlc_media_player_set_hwnd( self->media_player, window_handle );
>> +               }
>> +               else
>> +               {
>> +                       // Some unknown window_type was passed
>> +                       return 1;
>> +               }
>> +
>> +               // Setup finished successfully
>> +               return 0;
>> +       }
>> +       else
>> +       {
>> +               // We failed to get window_type and/or window_handle
>> +               return 1;
>> +       }
>> +}
>> +
>> +static int imem_get( void *data, const char* cookie, int64_t *dts, int64_t *pts,
>> +                                        uint32_t *flags, size_t *bufferSize, void **buffer )
>> +{
>> +       consumer_libvlc self = data;
>> +       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +       mlt_frame frame = NULL;
>> +       // Whether or not fetched frame need releasing
>> +       int cleanup_frame = 0;
>> +       *buffer = NULL;
>> +
>> +       int cookie_int = cookie[ 0 ] - '0';
>> +
>> +       // Get data if needed
>> +       pthread_mutex_lock( &self->queue_mutex );
>> +
>> +       frame = mlt_deque_pop_front( self->frame_queue );
>> +
>> +       // If we got frame from queue, we need to release it later
>> +       if ( frame != NULL )
>> +               cleanup_frame = 1;
>> +       else
>> +               frame = mlt_consumer_get_frame( self->parent );
> 
> I think you should also free frame even if you get it from
> mlt_consumer_get_frame.
> 
> In mlt_service.c
> -----------------------------------------
> static int service_get_frame( mlt_service self, mlt_frame_ptr frame, int index )
> ....
> *frame = mlt_frame_init( self );
> -----------------------------------------
> 
> 
>> +
>> +       if ( cookie_int == AUDIO_COOKIE && self->running )
>> +       {
>> +               assert( frame != NULL );
>> +               mlt_position current_position = mlt_frame_original_position( frame );
>> +
>> +               // We terminate imem if we got repeated frame, as this means pause
>> +               if ( current_position == self->audio_position )
>> +               {
>> +                       self->running = 0;
>> +                       pthread_mutex_unlock( &self->queue_mutex );
>> +                       return 1;
>> +               }
>> +               else
>> +               {
>> +                       // Update position
>> +                       self->audio_position = current_position;
>> +
>> +                       // This is used to pass frames to imem_release() if they need cleanup
>> +                       self->audio_imem_data = NULL;
>> +
>> +                       mlt_audio_format afmt = mlt_audio_s16;
>> +                       double fps = mlt_properties_get_double( properties, "fps" );
>> +                       int frequency = mlt_properties_get_int( properties, "frequency" );
>> +                       int channels = mlt_properties_get_int( properties, "channels" );
>> +                       int samples = mlt_sample_calculator( fps, frequency, self->audio_position );
>> +                       double pts_diff = ( double )samples / ( double )frequency * 1000000.0;
>> +
>> +                       mlt_frame_get_audio( frame, buffer, &afmt, &frequency, &channels, &samples );
>> +                       *bufferSize = samples * sizeof( int16_t ) * channels;
>> +
>> +                       *pts = self->latest_audio_pts + pts_diff + 0.5;
>> +                       *dts = *pts;
>> +
>> +                       self->latest_audio_pts = *pts;
>> +
>> +                       if ( cleanup_frame )
>> +                               self->audio_imem_data = frame;
>> +                       else
>> +                               mlt_deque_push_back( self->frame_queue, frame );
>> +               }
>> +       }
>> +       else if ( cookie_int == VIDEO_COOKIE && self->running )
>> +       {
>> +               assert( frame != NULL );
>> +               mlt_position current_position = mlt_frame_original_position( frame );
>> +
>> +               if ( current_position == self->video_position )
>> +               {
>> +                       self->running = 0;
>> +                       pthread_mutex_unlock( &self->queue_mutex );
>> +                       return 1;
>> +               }
>> +               else
>> +               {
>> +                       self->video_position = current_position;
>> +
>> +                       self->video_imem_data = NULL;
>> +
>> +                       double fps = mlt_properties_get_double( properties, "fps" );
>> +                       double pts_diff = 1.0 / fps * 1000000.0;
>> +
>> +                       mlt_image_format vfmt = mlt_image_rgb24a;
>> +                       int width = mlt_properties_get_int( properties, "width" );
>> +                       int height = mlt_properties_get_int( properties, "height" );
>> +                       mlt_frame_get_image( frame, ( uint8_t ** )buffer, &vfmt, &width, &height, 0 );
>> +                       *bufferSize = mlt_image_format_size( vfmt, width, height, NULL );
>> +
>> +                       *pts = self->latest_video_pts + pts_diff;
>> +                       *dts = *pts;
>> +
>> +                       self->latest_video_pts = *pts;
>> +
>> +                       if ( cleanup_frame )
>> +                               self->video_imem_data = frame;
>> +                       else
>> +                               mlt_deque_push_back( self->frame_queue, frame );
> 
> I think mlt_deque should be max size.

No difference - VLC kinda paces sound and video together, so the queue size is 1 max in practice.

> 
>> +                       }
>> +       }
>> +       else if ( self->running )
>> +       {
>> +               // Invalid cookie
>> +               assert( 0 );
>> +       }
>> +       pthread_mutex_unlock( &self->queue_mutex );
>> +
>> +       assert( frame != NULL );
>> +       if ( *buffer == NULL )
>> +               return 1;
>> +
>> +       return 0;
>> +}
>> +
>> +static void imem_release( void *data, const char* cookie, size_t buffSize, void *buffer )
>> +{
>> +       consumer_libvlc self = data;
>> +
>> +       int cookie_int = cookie[ 0 ] - '0';
>> +
>> +       if ( cookie_int == VIDEO_COOKIE && self->running )
>> +       {
>> +               if ( self->video_imem_data )
>> +               {
>> +                       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +                       mlt_frame frame = self->video_imem_data;
>> +                       mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
>> +                       self->video_imem_data = NULL;
>> +               }
>> +       }
>> +       else if ( cookie_int == AUDIO_COOKIE && self->running )
>> +       {
>> +               if ( self->audio_imem_data )
>> +               {
>> +                       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +                       mlt_frame frame = self->audio_imem_data;
>> +                       mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
>> +                       self->audio_imem_data = NULL;
>> +
>> +               }
>> +       }
>> +       else if ( self->running )
>> +       {
>> +               // Invalid cookie
>> +               assert( 0 );
>> +       }
> 
> I think you need mlt_frame_close( frame );

Looking into it now, obviously now there is some frame related memleak somewhere,
but I think I saw somewhere that after emitting consumer-frame-show, MLT does
frame cleanup automatically. I can be wrong though...

> 
>> +}
>> +
>> +static void mp_callback( const struct libvlc_event_t *evt, void *data )
>> +{
>> +       consumer_libvlc self = data;
>> +       assert( self != NULL );
>> +
>> +       switch ( evt->type )
>> +       {
>> +               case libvlc_MediaPlayerStopped:
>> +                       self->running = 0;
>> +                       break;
>> +
>> +               default:
>> +                       assert( 0 );
>> +       }
>> +}
>> +
>> +static int consumer_start( mlt_consumer parent )
>> +{
>> +       int err;
>> +
>> +       consumer_libvlc self = parent->child;
>> +       assert( self != NULL );
>> +
>> +       mlt_properties properties = MLT_CONSUMER_PROPERTIES( self->parent );
>> +
>> +
>> +       if ( consumer_is_stopped( parent ) )
>> +       {
>> +               // Free all previous resources
>> +               if ( self->media_player )
>> +               {
>> +                       libvlc_media_player_release( self->media_player );
>> +                       self->media_player = NULL;
>> +               }
>> +               if ( self->media )
>> +               {
>> +                       libvlc_media_release( self->media );
>> +                       self->media = NULL;
>> +               }
>> +
>> +               // Apply properties to new media
>> +               setup_vlc( self );
>> +               self->media_player = libvlc_media_player_new_from_media( self->media );
>> +               assert( self->media_player != NULL );
>> +
>> +               // Set window output if we're using it
>> +               if ( self->output_to_window )
>> +               {
>> +                       err = setup_vlc_window( self );
>> +
>> +                       if ( err )
>> +                       {
>> +                               char error_msg[] = "Wrong window_type and/or output_dst parameters supplied.\n";
>> +                               char *window_type = mlt_properties_get( properties, "window_type" );
>> +                               mlt_log_error( MLT_CONSUMER_SERVICE( self->parent ), error_msg );
>> +                               mlt_events_fire( properties, "consumer-fatal-error", NULL );
>> +                               return err;
>> +                       }
>> +               }
>> +
>> +               // Catch media_player stop
>> +               self->mp_manager = libvlc_media_player_event_manager( self->media_player );
>> +               assert( self->mp_manager != NULL );
>> +               libvlc_event_attach( self->mp_manager, libvlc_MediaPlayerStopped, &mp_callback, self );
>> +
>> +               // Reset play heads
>> +               self->video_position = INITIAL_POSITION;
>> +               self->audio_position = INITIAL_POSITION;
>> +
>> +               // Run media player
>> +               self->running = 1;
>> +               err = libvlc_media_player_play( self->media_player );
>> +
>> +               // If we failed to play, we're not running
>> +               if ( err ) {
>> +                       self->running = 0;
>> +               }
>> +
>> +               return err;
>> +       }
>> +       return 1;
>> +}
>> +
>> +static int consumer_stop( mlt_consumer parent )
>> +{
>> +       consumer_libvlc self = parent->child;
>> +       assert( self != NULL );
>> +
>> +       if ( self->media_player )
>> +       {
>> +               self->running = 0;
>> +               libvlc_media_player_stop( self->media_player );
>> +       }
>> +
>> +       // Reset pts counters
>> +       self->latest_video_pts = 0;
>> +       self->latest_audio_pts = 0;
>> +
>> +       return 0;
>> +}
>> +
>> +static int consumer_is_stopped( mlt_consumer parent )
>> +{
>> +       consumer_libvlc self = parent->child;
>> +       assert( self != NULL );
>> +
>> +       if ( self->media_player )
>> +       {
>> +               return !self->running;
>> +       }
>> +
>> +       return 1;
>> +}
>> +
>> +static void consumer_purge( mlt_consumer parent )
>> +{
>> +       // We do nothing here, we purge on stop()
>> +}
>> +
>> +static void consumer_close( mlt_consumer parent )
>> +{
>> +       if ( parent == NULL )
>> +       {
>> +               return;
>> +       }
>> +
>> +       consumer_libvlc self = parent->child;
>> +
>> +       if ( self != NULL )
>> +       {
>> +               consumer_stop( parent );
>> +
>> +               if ( self->media_player )
>> +                       libvlc_media_player_release( self->media_player );
>> +
>> +               if ( self->media )
>> +                       libvlc_media_release( self->media );
>> +
>> +               if ( self->vlc )
>> +                       libvlc_release( self->vlc );
>> +
>> +               pthread_mutex_destroy( &self->queue_mutex );
>> +               free( self );
>> +       }
>> +
>> +       parent->close = NULL;
>> +       mlt_consumer_close( parent );
>> +}
>> diff --git a/src/Backend/MLT/modules/libvlc/consumer_libvlc.yml b/src/Backend/MLT/modules/libvlc/consumer_libvlc.yml
>> new file mode 100644
>> index 0000000..2776715
>> --- /dev/null
>> +++ b/src/Backend/MLT/modules/libvlc/consumer_libvlc.yml
>> @@ -0,0 +1,70 @@
>> +schema_version: 0.1
>> +type: consumer
>> +identifier: libvlc
>> +title: libVLC
>> +version: 1
>> +creator: Pawel Golinski
>> +license: GNU GPL
>> +language: en
>> +tags:
>> +  - Audio
>> +  - Video
>> +description: >
>> +  libVLC video and audio output module. It uses VLC "standard" module.
>> +  It can be set up using usual MLT consumer properties and additional
>> +  libVLC specific properties described here.
>> +parameters:
>> +  - identifier: output_dst
>> +    argument: yes
>> +    title: File/URL
>> +    type: string
>> +    description: "sout-standard-dst" option
>> +    required: yes
>> +
>> +  - identifier: input_vcodec
>> +    title: Input vcodec
>> +    type: string
>> +    description: Format, in which raw video frames will be supplied to the consumer.
>> +    default: RGBA
>> +
>> +  - identifier: input_acodec
>> +    title: Input acodec
>> +    type: string
>> +    description: Format, in which raw audio frames will be supplied to the consumer.
>> +    default: s16l
>> +
>> +  - identifier: output_vcodec
>> +    title: Output vcodec.
>> +    type: string
>> +    description: "sout-transcode-vcodec" option
>> +    default: mp2v
>> +
>> +  - identifier: output_acodec
>> +    title: Output acodec.
>> +    type: string
>> +    description: "sout-transcode-acodec" option
>> +    default: mpga
>> +
>> +  - identifier: output_vb
>> +    title: Output video bitrate.
>> +    type: integer
>> +    description: "sout-transcode-vb" option
>> +    default: 8000000
>> +
>> +  - identifier: output_ab
>> +    title: Output audio bitrate.
>> +    type: integer
>> +    description: "sout-transcode-ab" option
>> +    default: 128000
>> +
>> +  - identifier: output_mux
>> +    title: Output muxer.
>> +    type: string
>> +    description: "sout-standard-mux" option
>> +    default: ps
>> +
>> +  - identifier: output_access
>> +    title: Output method.
>> +    type: string
>> +    description: "sout-standard-access" option
>> +    default: file
>> diff --git a/src/Backend/MLT/modules/libvlc/consumer_libvlc_window.yml b/src/Backend/MLT/modules/libvlc/consumer_libvlc_window.yml
>> new file mode 100644
>> index 0000000..d2b7410
>> --- /dev/null
>> +++ b/src/Backend/MLT/modules/libvlc/consumer_libvlc_window.yml
>> @@ -0,0 +1,39 @@
>> +schema_version: 0.1
>> +type: consumer
>> +identifier: libvlc_window
>> +title: libVLC Window
>> +version: 1
>> +creator: Pawel Golinski
>> +license: GNU GPL
>> +language: en
>> +tags:
>> +  - Audio
>> +  - Video
>> +description: >
>> +  libVLC video and audio output module. It uses VLC window output.
>> +  It can be set up using usual MLT consumer properties and additional
>> +  libVLC specific properties described here.
>> +parameters:
>> +  - identifier: output_dst
>> +    argument: yes
>> +    title: Window handle
>> +    description: Window, to which libVLC should render the media.
>> +    required: yes
>> +
>> +  - identifier: window_type
>> +    title: Window type
>> +    type: string
>> +    description: Type of the window, the output_dst points to (xwindow/nsobject/hwnd)
>> +    required: yes
>> +
>> +  - identifier: input_vcodec
>> +    title: Input vcodec
>> +    type: string
>> +    description: Format, in which raw video frames will be supplied to the consumer.
>> +    default: RGBA
>> +
>> +  - identifier: input_acodec
>> +    title: Input acodec
>> +    type: string
>> +    description: Format, in which raw audio frames will be supplied to the consumer.
>> +    default: s16l
>> \ No newline at end of file
>> diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
>> index a85cf0a..be37f15 100644
>> --- a/src/CMakeLists.txt
>> +++ b/src/CMakeLists.txt
>> @@ -55,6 +55,9 @@ INCLUDE_DIRECTORIES(${FREI0R_INCLUDE_DIR})
>> # Instruct CMake to run moc automatically when needed.
>> SET(CMAKE_AUTOMOC ON)
>> 
>> +SET(MLT_MODULES Backend/MLT/modules)
>> +ADD_DEFINITIONS(-DMLT_MODULES_PATH="${CMAKE_CURRENT_BINARY_DIR}/src/${MLT_MODULES}")
>> +
>> SET(VLMC_SRCS
>>     Commands/Commands.cpp
>>     Backend/IBackend.h
>> @@ -74,6 +77,7 @@ SET(VLMC_SRCS
>>     Backend/MLT/MLTFilter.cpp
>>     Backend/MLT/MLTTransition.cpp
>>     Backend/MLT/MLTMultiTrack.cpp
>> +    Backend/MLT/modules/libvlc/consumer_libvlc.c
>>     EffectsEngine/EffectHelper.cpp
>>     Library/Library.cpp
>>     Library/MediaContainer.cpp
>> @@ -314,14 +318,14 @@ ENDIF(UNIX)
>> 
>> if( APPLE )
>>     set(APPLICATION_BUNDLE ${CMAKE_BINARY_DIR}/bin/vlmc.app)
>> -    set(APPLICATION_LIB_DIR ${LIBVLC_LIB_DIR})
>> +    set(APPLICATION_LIB_DIR ${LIBVLC_LIBRARY_DIRS})
>> 
>>     # re-enable this when we start addressing redistribution
>>     # message(STATUS "Looking for bundle ${APPLICATION_BUNDLE} with library path ${APPLICATION_LIB_DIR}")
>>     # install(CODE "include(BundleUtilities)
>>     add_custom_command(TARGET vlmc
>>         POST_BUILD
>> -        COMMAND ${CMAKE_SOURCE_DIR}/cmake/FixBundle.sh ${APPLICATION_BUNDLE}/Contents/MacOS ${LIBVLC_LIB_DIR}
>> +        COMMAND ${CMAKE_SOURCE_DIR}/cmake/FixBundle.sh ${APPLICATION_BUNDLE}/Contents/MacOS ${LIBVLC_LIBRARY_DIRS}
>>         COMMENT "Fixing application bundle for local run")
>>     # fixup_bundle(\"${APPLICATION_BUNDLE}\" \"\" \"${APPLICATION_LIB_DIR}\")" COMPONENT Runtime)
>> endif()
>> --
>> 2.7.4 (Apple Git-66)
>> 
>> _______________________________________________
>> Vlmc-devel mailing list
>> Vlmc-devel at videolan.org
>> https://mailman.videolan.org/listinfo/vlmc-devel
> _______________________________________________
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> Vlmc-devel at videolan.org
> https://mailman.videolan.org/listinfo/vlmc-devel



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