Example #1
0
CGigECamera::CGigECamera(const char* foundname):
CCamera( "",foundname,"")
{
    strcpy(_DevicePath, ""); 
    strcpy(_ProductID, "");
    query_formats();
    
}
Example #2
0
int ff_avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)
{
    /* find supported formats from sub-filters, and merge along links */
    if (query_formats(graph, log_ctx))
        return -1;

    /* Once everything is merged, it's possible that we'll still have
     * multiple valid media format choices. We pick the first one. */
    pick_formats(graph);

    return 0;
}
Example #3
0
int ff_avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)
{
    int ret;

    /* find supported formats from sub-filters, and merge along links */
    if ((ret = query_formats(graph, log_ctx)) < 0)
        return ret;

    /* Once everything is merged, it's possible that we'll still have
     * multiple valid media format choices. We try to minimize the amount
     * of format conversion inside filters */
    reduce_formats(graph);

    pick_formats(graph);

    return 0;
}
static int
ffsink_query_formats(AVFilterContext *ctx)
{
    AVFilterContext *src = ctx;
    int err;

    /* Find buffer. */
#ifdef _JITSI_LIBAV_
    while (src && src->input_count && src->inputs)
#else
    while (src && src->nb_inputs && src->inputs)
#endif
    {
        AVFilterLink *link = src->inputs[0];

        if (link)
            src = link->src;
        else
            break;
    }

    /* Make ffsink output in the format in which buffer inputs. */
    if (src)
    {
        const int pix_fmts[] = { src->outputs[0]->in_formats->formats[0], -1 };

#ifdef _JITSI_LIBAV_
        avfilter_set_common_formats(ctx, ff_make_format_list(pix_fmts));
#else
        ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
#endif

        err = 0;
    }
    else
#ifdef _JITSI_LIBAV_
        err = query_formats(ctx);
#else
        err = ff_default_query_formats(ctx);
#endif

    return err;
}
Example #5
0
int ff_avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)
{
    int ret;

    /* find supported formats from sub-filters, and merge along links */
    if ((ret = query_formats(graph, log_ctx)) < 0)
        return ret;

    /* Once everything is merged, it's possible that we'll still have
     * multiple valid media format choices. We try to minimize the amount
     * of format conversion inside filters */
    reduce_formats(graph);

    /* for audio filters, ensure the best sample rate and channel layout
     * is selected */
    swap_samplerates(graph);
    swap_channel_layouts(graph);

    if ((ret = pick_formats(graph)) < 0)
        return ret;

    return 0;
}
Example #6
0
File: melt.c Project: hrshadhin/mlt
int main( int argc, char **argv )
{
    int i;
    mlt_consumer consumer = NULL;
    FILE *store = NULL;
    char *name = NULL;
    mlt_profile profile = NULL;
    int is_progress = 0;
    int is_silent = 0;
    mlt_profile backup_profile;

    // Handle abnormal exit situations.
    signal( SIGSEGV, abnormal_exit_handler );
    signal( SIGILL, abnormal_exit_handler );
    signal( SIGABRT, abnormal_exit_handler );

    // Construct the factory
    mlt_repository repo = mlt_factory_init( NULL );

#if defined(WIN32) && !defined(MELT_NOSDL)
    is_silent = 1;
#endif

    for ( i = 1; i < argc; i ++ )
    {
        // Check for serialisation switch
        if ( !strcmp( argv[ i ], "-serialise" ) )
        {
            name = argv[ ++ i ];
            if ( name != NULL && strstr( name, ".melt" ) )
                store = fopen( name, "w" );
            else
            {
                if ( name == NULL || name[0] == '-' )
                    store = stdout;
                name = NULL;
            }
        }
        // Look for the profile option
        else if ( !strcmp( argv[ i ], "-profile" ) )
        {
            const char *pname = argv[ ++ i ];
            if ( pname && pname[0] != '-' )
                profile = mlt_profile_init( pname );
        }
        else if ( !strcmp( argv[ i ], "-progress" ) )
        {
            is_progress = 1;
        }
        else if ( !strcmp( argv[ i ], "-progress2" ) )
        {
            is_progress = 2;
        }
        // Look for the query option
        else if ( !strcmp( argv[ i ], "-query" ) )
        {
            const char *pname = argv[ ++ i ];
            if ( pname && pname[0] != '-' )
            {
                if ( !strcmp( pname, "consumers" ) || !strcmp( pname, "consumer" ) )
                    query_services( repo, consumer_type );
                else if ( !strcmp( pname, "filters" ) || !strcmp( pname, "filter" ) )
                    query_services( repo, filter_type );
                else if ( !strcmp( pname, "producers" ) || !strcmp( pname, "producer" ) )
                    query_services( repo, producer_type );
                else if ( !strcmp( pname, "transitions" ) || !strcmp( pname, "transition" ) )
                    query_services( repo, transition_type );
                else if ( !strcmp( pname, "profiles" ) || !strcmp( pname, "profile" ) )
                    query_profiles();
                else if ( !strcmp( pname, "presets" ) || !strcmp( pname, "preset" ) )
                    query_presets();
                else if ( !strncmp( pname, "format", 6 ) )
                    query_formats();
                else if ( !strncmp( pname, "acodec", 6 ) || !strcmp( pname, "audio_codecs" ) )
                    query_acodecs();
                else if ( !strncmp( pname, "vcodec", 6 ) || !strcmp( pname, "video_codecs" ) )
                    query_vcodecs();

                else if ( !strncmp( pname, "consumer=", 9 ) )
                    query_metadata( repo, consumer_type, "consumer", strchr( pname, '=' ) + 1 );
                else if ( !strncmp( pname, "filter=", 7 ) )
                    query_metadata( repo, filter_type, "filter", strchr( pname, '=' ) + 1 );
                else if ( !strncmp( pname, "producer=", 9 ) )
                    query_metadata( repo, producer_type, "producer", strchr( pname, '=' ) + 1 );
                else if ( !strncmp( pname, "transition=", 11 ) )
                    query_metadata( repo, transition_type, "transition", strchr( pname, '=' ) + 1 );
                else if ( !strncmp( pname, "profile=", 8 ) )
                    query_profile( strchr( pname, '=' ) + 1 );
                else if ( !strncmp( pname, "preset=", 7 ) )
                    query_preset( strchr( pname, '=' ) + 1 );
                else
                    goto query_all;
            }
            else
            {
query_all:
                query_services( repo, consumer_type );
                query_services( repo, filter_type );
                query_services( repo, producer_type );
                query_services( repo, transition_type );
                fprintf( stdout, "# You can query the metadata for a specific service using:\n"
                         "# -query <type>=<identifer>\n"
                         "# where <type> is one of: consumer, filter, producer, or transition.\n" );
            }
            goto exit_factory;
        }
        else if ( !strcmp( argv[ i ], "-silent" ) )
        {
            is_silent = 1;
        }
        else if ( !strcmp( argv[ i ], "-verbose" ) )
        {
            mlt_log_set_level( MLT_LOG_VERBOSE );
        }
        else if ( !strcmp( argv[ i ], "-version" ) || !strcmp( argv[ i ], "--version" ) )
        {
            fprintf( stdout, "%s " VERSION "\n"
                     "Copyright (C) 2002-2013 Ushodaya Enterprises Limited\n"
                     "<http://www.mltframework.org/>\n"
                     "This is free software; see the source for copying conditions.  There is NO\n"
                     "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
                     basename( argv[0] ) );
            goto exit_factory;
        }
        else if ( !strcmp( argv[ i ], "-debug" ) )
        {
            mlt_log_set_level( MLT_LOG_DEBUG );
        }
    }
    if ( !is_silent && !isatty( STDIN_FILENO ) && !is_progress )
        is_progress = 1;

    // Create profile if not set explicitly
    if ( getenv( "MLT_PROFILE" ) )
        profile = mlt_profile_init( NULL );
    if ( profile == NULL )
        profile = mlt_profile_init( NULL );
    else
        profile->is_explicit = 1;

    // Look for the consumer option to load profile settings from consumer properties
    backup_profile = mlt_profile_clone( profile );
    load_consumer( &consumer, profile, argc, argv );

    // If the consumer changed the profile, then it is explicit.
    if ( backup_profile && !profile->is_explicit && (
                profile->width != backup_profile->width ||
                profile->height != backup_profile->height ||
                profile->sample_aspect_num != backup_profile->sample_aspect_num ||
                profile->sample_aspect_den != backup_profile->sample_aspect_den ||
                profile->frame_rate_den != backup_profile->frame_rate_den ||
                profile->frame_rate_num != backup_profile->frame_rate_num ||
                profile->colorspace != backup_profile->colorspace ) )
        profile->is_explicit = 1;
    mlt_profile_close( backup_profile );

    // Get melt producer
    if ( argc > 1 )
        melt = mlt_factory_producer( profile, "melt", &argv[ 1 ] );

    if ( melt )
    {
        // Generate an automatic profile if needed.
        if ( ! profile->is_explicit )
        {
            mlt_profile_from_producer( profile, melt );
            mlt_producer_close( melt );
            melt = mlt_factory_producer( profile, "melt", &argv[ 1 ] );
        }

        // Reload the consumer with the fully qualified profile.
        // The producer or auto-profile could have changed the profile.
        load_consumer( &consumer, profile, argc, argv );

        // See if producer has consumer already attached
        if ( !store && !consumer )
        {
            consumer = MLT_CONSUMER( mlt_service_consumer( MLT_PRODUCER_SERVICE( melt ) ) );
            if ( consumer )
            {
                mlt_properties_inc_ref( MLT_CONSUMER_PROPERTIES(consumer) ); // because we explicitly close it
                mlt_properties_set_data( MLT_CONSUMER_PROPERTIES(consumer),
                                         "transport_callback", transport_action, 0, NULL, NULL );
            }
        }

        // If we have no consumer, default to sdl
        if ( store == NULL && consumer == NULL )
            consumer = create_consumer( profile, NULL );
    }

    // Set transport properties on consumer and produder
    if ( consumer != NULL && melt != NULL )
    {
        mlt_properties_set_data( MLT_CONSUMER_PROPERTIES( consumer ), "transport_producer", melt, 0, NULL, NULL );
        mlt_properties_set_data( MLT_PRODUCER_PROPERTIES( melt ), "transport_consumer", consumer, 0, NULL, NULL );
        if ( is_progress )
            mlt_properties_set_int(  MLT_CONSUMER_PROPERTIES( consumer ), "progress", is_progress );
        if ( is_silent )
            mlt_properties_set_int(  MLT_CONSUMER_PROPERTIES( consumer ), "silent", is_silent );
    }

    if ( argc > 1 && melt != NULL && mlt_producer_get_length( melt ) > 0 )
    {
        // Parse the arguments
        for ( i = 1; i < argc; i ++ )
        {
            if ( !strcmp( argv[ i ], "-jack" ) )
            {
                setup_jack_transport( consumer, profile );
            }
            else if ( !strcmp( argv[ i ], "-serialise" ) )
            {
                if ( store != stdout )
                    i ++;
            }
            else
            {
                if ( store != NULL )
                    fprintf( store, "%s\n", argv[ i ] );

                i ++;

                while ( argv[ i ] != NULL && argv[ i ][ 0 ] != '-' )
                {
                    if ( store != NULL )
                        fprintf( store, "%s\n", argv[ i ] );
                    i += 1;
                }

                i --;
            }
        }

        if ( consumer != NULL && store == NULL )
        {
            // Get melt's properties
            mlt_properties melt_props = MLT_PRODUCER_PROPERTIES( melt );

            // Get the last group
            mlt_properties group = mlt_properties_get_data( melt_props, "group", 0 );

            // Apply group settings
            mlt_properties properties = MLT_CONSUMER_PROPERTIES( consumer );
            mlt_properties_inherit( properties, group );

            // Connect consumer to melt
            mlt_consumer_connect( consumer, MLT_PRODUCER_SERVICE( melt ) );

            // Start the consumer
            mlt_events_listen( properties, consumer, "consumer-fatal-error", ( mlt_listener )on_fatal_error );
            if ( mlt_consumer_start( consumer ) == 0 )
            {
                // Try to exit gracefully upon these signals
                signal( SIGINT, stop_handler );
                signal( SIGTERM, stop_handler );
#ifndef WIN32
                signal( SIGHUP, stop_handler );
                signal( SIGPIPE, stop_handler );
#endif

                // Transport functionality
                transport( melt, consumer );

                // Stop the consumer
                mlt_consumer_stop( consumer );
            }
        }
        else if ( store != NULL && store != stdout && name != NULL )
        {
            fprintf( stderr, "Project saved as %s.\n", name );
            fclose( store );
        }
    }
    else
    {
        show_usage( argv[0] );
    }

    // Disconnect producer from consumer to prevent ref cycles from closing services
    if ( consumer )
    {
        mlt_consumer_connect( consumer, NULL );
        mlt_events_fire( MLT_CONSUMER_PROPERTIES(consumer), "consumer-cleanup", NULL);
    }

    // Close the producer
    if ( melt != NULL )
        mlt_producer_close( melt );

    // Close the consumer
    if ( consumer != NULL )
        mlt_consumer_close( consumer );

    // Close the factory
    mlt_profile_close( profile );

exit_factory:

// Workaround qmelt on OS X from crashing at exit.
#if !defined(__MACH__) || !defined(QT_GUI_LIB)
    mlt_factory_close( );
#endif

    return 0;
}
Example #7
0
CDFKAFU050::CDFKAFU050(const char* path,const char* manufacturer, const char* name, const char* serial):
CCamera( manufacturer,name,serial)
{
    query_formats();
}