+++ /dev/null
-/*
- * consumer_avformat.c -- an encoder based on avformat
- * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
- * Author: Charles Yates <charles.yates@pandora.be>
- * Much code borrowed from ffmpeg.c: Copyright (c) 2000-2003 Fabrice Bellard
- *
- * 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 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
- * Lesser General Public License for more details.
- *
- * 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
- */
-
-// mlt Header files
-#include <framework/mlt_consumer.h>
-#include <framework/mlt_frame.h>
-#include <framework/mlt_profile.h>
-
-// System header files
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include <pthread.h>
-#include <sys/time.h>
-#include <math.h>
-#include <unistd.h>
-
-// avformat header files
-#include <avformat.h>
-#ifdef SWSCALE
-#include <swscale.h>
-#endif
-#include <opt.h>
-
-#if LIBAVUTIL_VERSION_INT < (50<<16)
-#define PIX_FMT_RGB32 PIX_FMT_RGBA32
-#define PIX_FMT_YUYV422 PIX_FMT_YUV422
-#endif
-
-//
-// This structure should be extended and made globally available in mlt
-//
-
-typedef struct
-{
- int16_t *buffer;
- int size;
- int used;
- double time;
- int frequency;
- int channels;
-}
-*sample_fifo, sample_fifo_s;
-
-sample_fifo sample_fifo_init( int frequency, int channels )
-{
- sample_fifo this = calloc( 1, sizeof( sample_fifo_s ) );
- this->frequency = frequency;
- this->channels = channels;
- return this;
-}
-
-// sample_fifo_clear and check are temporarily aborted (not working as intended)
-
-void sample_fifo_clear( sample_fifo this, double time )
-{
- int words = ( float )( time - this->time ) * this->frequency * this->channels;
- if ( ( int )( ( float )time * 100 ) < ( int )( ( float )this->time * 100 ) && this->used > words && words > 0 )
- {
- memmove( this->buffer, &this->buffer[ words ], ( this->used - words ) * sizeof( int16_t ) );
- this->used -= words;
- this->time = time;
- }
- else if ( ( int )( ( float )time * 100 ) != ( int )( ( float )this->time * 100 ) )
- {
- this->used = 0;
- this->time = time;
- }
-}
-
-void sample_fifo_check( sample_fifo this, double time )
-{
- if ( this->used == 0 )
- {
- if ( ( int )( ( float )time * 100 ) < ( int )( ( float )this->time * 100 ) )
- this->time = time;
- }
-}
-
-void sample_fifo_append( sample_fifo this, int16_t *samples, int count )
-{
- if ( ( this->size - this->used ) < count )
- {
- this->size += count * 5;
- this->buffer = realloc( this->buffer, this->size * sizeof( int16_t ) );
- }
-
- memcpy( &this->buffer[ this->used ], samples, count * sizeof( int16_t ) );
- this->used += count;
-}
-
-int sample_fifo_used( sample_fifo this )
-{
- return this->used;
-}
-
-int sample_fifo_fetch( sample_fifo this, int16_t *samples, int count )
-{
- if ( count > this->used )
- count = this->used;
-
- memcpy( samples, this->buffer, count * sizeof( int16_t ) );
- this->used -= count;
- memmove( this->buffer, &this->buffer[ count ], this->used * sizeof( int16_t ) );
-
- this->time += ( double )count / this->channels / this->frequency;
-
- return count;
-}
-
-void sample_fifo_close( sample_fifo this )
-{
- free( this->buffer );
- free( this );
-}
-
-// Forward references.
-static int consumer_start( mlt_consumer this );
-static int consumer_stop( mlt_consumer this );
-static int consumer_is_stopped( mlt_consumer this );
-static void *consumer_thread( void *arg );
-static void consumer_close( mlt_consumer this );
-
-/** Initialise the dv consumer.
-*/
-
-mlt_consumer consumer_avformat_init( mlt_profile profile, char *arg )
-{
- // Allocate the consumer
- mlt_consumer this = mlt_consumer_new( profile );
-
- // If memory allocated and initialises without error
- if ( this != NULL )
- {
- // Get properties from the consumer
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
-
- // Assign close callback
- this->close = consumer_close;
-
- // Interpret the argument
- if ( arg != NULL )
- mlt_properties_set( properties, "target", arg );
-
- // sample and frame queue
- mlt_properties_set_data( properties, "frame_queue", mlt_deque_init( ), 0, ( mlt_destructor )mlt_deque_close, NULL );
-
- // Audio options not fully handled by AVOptions
-#define QSCALE_NONE (-99999)
- mlt_properties_set_int( properties, "aq", QSCALE_NONE );
-
- // Video options not fully handled by AVOptions
- mlt_properties_set_int( properties, "dc", 8 );
-
- // Muxer options not fully handled by AVOptions
- mlt_properties_set_double( properties, "muxdelay", 0.7 );
- mlt_properties_set_double( properties, "muxpreload", 0.5 );
-
- // Ensure termination at end of the stream
- mlt_properties_set_int( properties, "terminate_on_pause", 1 );
-
- // Default to separate processing threads for producer and consumer with no frame dropping!
- mlt_properties_set_int( properties, "real_time", -1 );
- mlt_properties_set_int( properties, "prefill", 1 );
-
- // Set up start/stop/terminated callbacks
- this->start = consumer_start;
- this->stop = consumer_stop;
- this->is_stopped = consumer_is_stopped;
- }
-
- // Return this
- return this;
-}
-
-/** Start the consumer.
-*/
-
-static int consumer_start( mlt_consumer this )
-{
- // Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
- int error = 0;
-
- // Report information about available muxers and codecs as YAML Tiny
- char *s = mlt_properties_get( properties, "f" );
- if ( s && strcmp( s, "list" ) == 0 )
- {
- fprintf( stderr, "---\nformats:\n" );
- AVOutputFormat *format = NULL;
- while ( ( format = av_oformat_next( format ) ) )
- fprintf( stderr, " - %s\n", format->name );
- fprintf( stderr, "...\n" );
- error = 1;
- }
- s = mlt_properties_get( properties, "acodec" );
- if ( s && strcmp( s, "list" ) == 0 )
- {
- fprintf( stderr, "---\naudio_codecs:\n" );
- AVCodec *codec = NULL;
- while ( ( codec = av_codec_next( codec ) ) )
- if ( codec->encode && codec->type == CODEC_TYPE_AUDIO )
- fprintf( stderr, " - %s\n", codec->name );
- fprintf( stderr, "...\n" );
- error = 1;
- }
- s = mlt_properties_get( properties, "vcodec" );
- if ( s && strcmp( s, "list" ) == 0 )
- {
- fprintf( stderr, "---\nvideo_codecs:\n" );
- AVCodec *codec = NULL;
- while ( ( codec = av_codec_next( codec ) ) )
- if ( codec->encode && codec->type == CODEC_TYPE_VIDEO )
- fprintf( stderr, " - %s\n", codec->name );
- fprintf( stderr, "...\n" );
- error = 1;
- }
-
- // Check that we're not already running
- if ( !error && !mlt_properties_get_int( properties, "running" ) )
- {
- // Allocate a thread
- pthread_t *thread = calloc( 1, sizeof( pthread_t ) );
-
- // Get the width and height
- int width = mlt_properties_get_int( properties, "width" );
- int height = mlt_properties_get_int( properties, "height" );
-
- // Obtain the size property
- char *size = mlt_properties_get( properties, "s" );
-
- // Interpret it
- if ( size != NULL )
- {
- int tw, th;
- if ( sscanf( size, "%dx%d", &tw, &th ) == 2 && tw > 0 && th > 0 )
- {
- width = tw;
- height = th;
- }
- else
- {
- fprintf( stderr, "%s: Invalid size property %s - ignoring.\n", __FILE__, size );
- }
- }
-
- // Now ensure we honour the multiple of two requested by libavformat
- width = ( width / 2 ) * 2;
- height = ( height / 2 ) * 2;
- mlt_properties_set_int( properties, "width", width );
- mlt_properties_set_int( properties, "height", height );
-
- // We need to set these on the profile as well because the s property is
- // an alias to mlt properties that correspond to profile settings.
- mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
- if ( profile )
- {
- profile->width = width;
- profile->height = height;
- }
-
- // Handle the ffmpeg command line "-r" property for frame rate
- if ( mlt_properties_get( properties, "r" ) )
- {
- double frame_rate = mlt_properties_get_double( properties, "r" );
- AVRational rational = av_d2q( frame_rate, 255 );
- mlt_properties_set_int( properties, "frame_rate_num", rational.num );
- mlt_properties_set_int( properties, "frame_rate_den", rational.den );
- if ( profile )
- {
- profile->frame_rate_num = rational.num;
- profile->frame_rate_den = rational.den;
- mlt_properties_set_double( properties, "fps", mlt_profile_fps( profile ) );
- }
- }
-
- // Apply AVOptions that are synonyms for standard mlt_consumer options
- if ( mlt_properties_get( properties, "ac" ) )
- mlt_properties_set_int( properties, "channels", mlt_properties_get_int( properties, "ac" ) );
- if ( mlt_properties_get( properties, "ar" ) )
- mlt_properties_set_int( properties, "frequency", mlt_properties_get_int( properties, "ar" ) );
-
- // Assign the thread to properties
- mlt_properties_set_data( properties, "thread", thread, sizeof( pthread_t ), free, NULL );
-
- // Set the running state
- mlt_properties_set_int( properties, "running", 1 );
-
- // Create the thread
- pthread_create( thread, NULL, consumer_thread, this );
- }
- return error;
-}
-
-/** Stop the consumer.
-*/
-
-static int consumer_stop( mlt_consumer this )
-{
- // Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
-
- // Check that we're running
- if ( mlt_properties_get_int( properties, "running" ) )
- {
- // Get the thread
- pthread_t *thread = mlt_properties_get_data( properties, "thread", NULL );
-
- // Stop the thread
- mlt_properties_set_int( properties, "running", 0 );
-
- // Wait for termination
- pthread_join( *thread, NULL );
- }
-
- return 0;
-}
-
-/** Determine if the consumer is stopped.
-*/
-
-static int consumer_is_stopped( mlt_consumer this )
-{
- // Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
- return !mlt_properties_get_int( properties, "running" );
-}
-
-/** Process properties as AVOptions and apply to AV context obj
-*/
-
-static void apply_properties( void *obj, mlt_properties properties, int flags )
-{
- int i;
- int count = mlt_properties_count( properties );
- for ( i = 0; i < count; i++ )
- {
- const char *opt_name = mlt_properties_get_name( properties, i );
- const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
- if ( opt != NULL )
-#if LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
- av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
-#elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
- av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
-#else
- av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
-#endif
- }
-}
-
-/** Add an audio output stream
-*/
-
-static AVStream *add_audio_stream( mlt_consumer this, AVFormatContext *oc, int codec_id )
-{
- // Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
-
- // Create a new stream
- AVStream *st = av_new_stream( oc, 1 );
-
- // If created, then initialise from properties
- if ( st != NULL )
- {
- AVCodecContext *c = st->codec;
-
- // Establish defaults from AVOptions
- avcodec_get_context_defaults2( c, CODEC_TYPE_AUDIO );
-
- c->codec_id = codec_id;
- c->codec_type = CODEC_TYPE_AUDIO;
-
- // Setup multi-threading
- int thread_count = mlt_properties_get_int( properties, "threads" );
- if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
- thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
- if ( thread_count > 1 )
- avcodec_thread_init( c, thread_count );
-
- if (oc->oformat->flags & AVFMT_GLOBALHEADER)
- c->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
- // Allow the user to override the audio fourcc
- if ( mlt_properties_get( properties, "atag" ) )
- {
- char *tail = NULL;
- char *arg = mlt_properties_get( properties, "atag" );
- int tag = strtol( arg, &tail, 0);
- if( !tail || *tail )
- tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
- c->codec_tag = tag;
- }
-
- // Process properties as AVOptions
- apply_properties( c, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
-
- int audio_qscale = mlt_properties_get_int( properties, "aq" );
- if ( audio_qscale > QSCALE_NONE )
- {
- c->flags |= CODEC_FLAG_QSCALE;
- c->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
- }
-
- // Set parameters controlled by MLT
- c->sample_rate = mlt_properties_get_int( properties, "frequency" );
- c->channels = mlt_properties_get_int( properties, "channels" );
-
- if ( mlt_properties_get( properties, "alang" ) != NULL )
- strncpy( st->language, mlt_properties_get( properties, "alang" ), sizeof( st->language ) );
- }
- else
- {
- fprintf( stderr, "%s: Could not allocate a stream for audio\n", __FILE__ );
- }
-
- return st;
-}
-
-static int open_audio( AVFormatContext *oc, AVStream *st, int audio_outbuf_size )
-{
- // We will return the audio input size from here
- int audio_input_frame_size = 0;
-
- // Get the context
- AVCodecContext *c = st->codec;
-
- // Find the encoder
- AVCodec *codec = avcodec_find_encoder( c->codec_id );
-
- // Continue if codec found and we can open it
- if ( codec != NULL && avcodec_open( c, codec ) >= 0 )
- {
- // ugly hack for PCM codecs (will be removed ASAP with new PCM
- // support to compute the input frame size in samples
- if ( c->frame_size <= 1 )
- {
- audio_input_frame_size = audio_outbuf_size / c->channels;
- switch(st->codec->codec_id)
- {
- case CODEC_ID_PCM_S16LE:
- case CODEC_ID_PCM_S16BE:
- case CODEC_ID_PCM_U16LE:
- case CODEC_ID_PCM_U16BE:
- audio_input_frame_size >>= 1;
- break;
- default:
- break;
- }
- }
- else
- {
- audio_input_frame_size = c->frame_size;
- }
-
- // Some formats want stream headers to be seperate (hmm)
- if( !strcmp( oc->oformat->name, "mp4" ) ||
- !strcmp( oc->oformat->name, "mov" ) ||
- !strcmp( oc->oformat->name, "3gp" ) )
- c->flags |= CODEC_FLAG_GLOBAL_HEADER;
- }
- else
- {
- fprintf( stderr, "%s: Unable to encode audio - disabling audio output.\n", __FILE__ );
- }
-
- return audio_input_frame_size;
-}
-
-static void close_audio( AVFormatContext *oc, AVStream *st )
-{
- avcodec_close( st->codec );
-}
-
-/** Add a video output stream
-*/
-
-static AVStream *add_video_stream( mlt_consumer this, AVFormatContext *oc, int codec_id )
-{
- // Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
-
- // Create a new stream
- AVStream *st = av_new_stream( oc, 0 );
-
- if ( st != NULL )
- {
- char *pix_fmt = mlt_properties_get( properties, "pix_fmt" );
- AVCodecContext *c = st->codec;
-
- // Establish defaults from AVOptions
- avcodec_get_context_defaults2( c, CODEC_TYPE_VIDEO );
-
- c->codec_id = codec_id;
- c->codec_type = CODEC_TYPE_VIDEO;
-
- // Setup multi-threading
- int thread_count = mlt_properties_get_int( properties, "threads" );
- if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
- thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
- if ( thread_count > 1 )
- avcodec_thread_init( c, thread_count );
-
- // Process properties as AVOptions
- apply_properties( c, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
-
- // Set options controlled by MLT
- c->width = mlt_properties_get_int( properties, "width" );
- c->height = mlt_properties_get_int( properties, "height" );
- c->time_base.num = mlt_properties_get_int( properties, "frame_rate_den" );
- c->time_base.den = mlt_properties_get_int( properties, "frame_rate_num" );
- if ( st->time_base.den == 0 )
- st->time_base = c->time_base;
- c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
-
- if ( mlt_properties_get( properties, "aspect" ) )
- {
- // "-aspect" on ffmpeg command line is display aspect ratio
- double ar = mlt_properties_get_double( properties, "aspect" );
- AVRational rational = av_d2q( ar, 255 );
-
- // Update the profile and properties as well since this is an alias
- // for mlt properties that correspond to profile settings
- mlt_properties_set_int( properties, "display_aspect_num", rational.num );
- mlt_properties_set_int( properties, "display_aspect_den", rational.den );
- mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
- if ( profile )
- {
- profile->display_aspect_num = rational.num;
- profile->display_aspect_den = rational.den;
- mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
- }
-
- // Now compute the sample aspect ratio
- rational = av_d2q( ar * c->height / c->width, 255 );
- c->sample_aspect_ratio = rational;
- // Update the profile and properties as well since this is an alias
- // for mlt properties that correspond to profile settings
- mlt_properties_set_int( properties, "sample_aspect_num", rational.num );
- mlt_properties_set_int( properties, "sample_aspect_den", rational.den );
- if ( profile )
- {
- profile->sample_aspect_num = rational.num;
- profile->sample_aspect_den = rational.den;
- mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
- }
- }
- else
- {
- c->sample_aspect_ratio.num = mlt_properties_get_int( properties, "sample_aspect_num" );
- c->sample_aspect_ratio.den = mlt_properties_get_int( properties, "sample_aspect_den" );
- }
-#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
- st->sample_aspect_ratio = c->sample_aspect_ratio;
-#endif
-
- if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
- {
- c->flags |= CODEC_FLAG_QSCALE;
- st->quality = FF_QP2LAMBDA * mlt_properties_get_double( properties, "qscale" );
- }
-
- // Allow the user to override the video fourcc
- if ( mlt_properties_get( properties, "vtag" ) )
- {
- char *tail = NULL;
- const char *arg = mlt_properties_get( properties, "vtag" );
- int tag = strtol( arg, &tail, 0);
- if( !tail || *tail )
- tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
- c->codec_tag = tag;
- }
-
- // Some formats want stream headers to be seperate
- if ( oc->oformat->flags & AVFMT_GLOBALHEADER )
- c->flags |= CODEC_FLAG_GLOBAL_HEADER;
-
- // Translate these standard mlt consumer properties to ffmpeg
- if ( mlt_properties_get_int( properties, "progressive" ) == 0 &&
- mlt_properties_get_int( properties, "deinterlace" ) == 0 )
- {
- if ( ! mlt_properties_get( properties, "ildct" ) || mlt_properties_get_int( properties, "ildct" ) )
- c->flags |= CODEC_FLAG_INTERLACED_DCT;
- if ( ! mlt_properties_get( properties, "ilme" ) || mlt_properties_get_int( properties, "ilme" ) )
- c->flags |= CODEC_FLAG_INTERLACED_ME;
- }
-
- // parse the ratecontrol override string
- int i;
- char *rc_override = mlt_properties_get( properties, "rc_override" );
- for ( i = 0; rc_override; i++ )
- {
- int start, end, q;
- int e = sscanf( rc_override, "%d,%d,%d", &start, &end, &q );
- if ( e != 3 )
- fprintf( stderr, "%s: Error parsing rc_override\n", __FILE__ );
- c->rc_override = av_realloc( c->rc_override, sizeof( RcOverride ) * ( i + 1 ) );
- c->rc_override[i].start_frame = start;
- c->rc_override[i].end_frame = end;
- if ( q > 0 )
- {
- c->rc_override[i].qscale = q;
- c->rc_override[i].quality_factor = 1.0;
- }
- else
- {
- c->rc_override[i].qscale = 0;
- c->rc_override[i].quality_factor = -q / 100.0;
- }
- rc_override = strchr( rc_override, '/' );
- if ( rc_override )
- rc_override++;
- }
- c->rc_override_count = i;
- if ( !c->rc_initial_buffer_occupancy )
- c->rc_initial_buffer_occupancy = c->rc_buffer_size * 3/4;
- c->intra_dc_precision = mlt_properties_get_int( properties, "dc" ) - 8;
-
- // Setup dual-pass
- i = mlt_properties_get_int( properties, "pass" );
- if ( i == 1 )
- c->flags |= CODEC_FLAG_PASS1;
- else if ( i == 2 )
- c->flags |= CODEC_FLAG_PASS2;
- if ( codec_id != CODEC_ID_H264 && ( c->flags & ( CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2 ) ) )
- {
- char logfilename[1024];
- FILE *f;
- int size;
- char *logbuffer;
-
- snprintf( logfilename, sizeof(logfilename), "%s_2pass.log",
- mlt_properties_get( properties, "passlogfile" ) ? mlt_properties_get( properties, "passlogfile" ) : mlt_properties_get( properties, "target" ) );
- if ( c->flags & CODEC_FLAG_PASS1 )
- {
- f = fopen( logfilename, "w" );
- if ( !f )
- perror( logfilename );
- else
- mlt_properties_set_data( properties, "_logfile", f, 0, ( mlt_destructor )fclose, NULL );
- }
- else
- {
- /* read the log file */
- f = fopen( logfilename, "r" );
- if ( !f )
- {
- perror(logfilename);
- }
- else
- {
- mlt_properties_set( properties, "_logfilename", logfilename );
- fseek( f, 0, SEEK_END );
- size = ftell( f );
- fseek( f, 0, SEEK_SET );
- logbuffer = av_malloc( size + 1 );
- if ( !logbuffer )
- fprintf( stderr, "%s: Could not allocate log buffer\n", __FILE__ );
- else
- {
- size = fread( logbuffer, 1, size, f );
- fclose( f );
- logbuffer[size] = '\0';
- c->stats_in = logbuffer;
- mlt_properties_set_data( properties, "_logbuffer", logbuffer, 0, ( mlt_destructor )av_free, NULL );
- }
- }
- }
- }
- }
- else
- {
- fprintf( stderr, "%s: Could not allocate a stream for video\n", __FILE__ );
- }
-
- return st;
-}
-
-static AVFrame *alloc_picture( int pix_fmt, int width, int height )
-{
- // Allocate a frame
- AVFrame *picture = avcodec_alloc_frame();
-
- // Determine size of the
- int size = avpicture_get_size(pix_fmt, width, height);
-
- // Allocate the picture buf
- uint8_t *picture_buf = av_malloc(size);
-
- // If we have both, then fill the image
- if ( picture != NULL && picture_buf != NULL )
- {
- // Fill the frame with the allocated buffer
- avpicture_fill( (AVPicture *)picture, picture_buf, pix_fmt, width, height);
- }
- else
- {
- // Something failed - clean up what we can
- av_free( picture );
- av_free( picture_buf );
- picture = NULL;
- }
-
- return picture;
-}
-
-static int open_video(AVFormatContext *oc, AVStream *st)
-{
- // Get the codec
- AVCodecContext *video_enc = st->codec;
-
- // find the video encoder
- AVCodec *codec = avcodec_find_encoder( video_enc->codec_id );
-
- if( codec && codec->pix_fmts )
- {
- const enum PixelFormat *p = codec->pix_fmts;
- for( ; *p!=-1; p++ )
- {
- if( *p == video_enc->pix_fmt )
- break;
- }
- if( *p == -1 )
- video_enc->pix_fmt = codec->pix_fmts[ 0 ];
- }
-
- // Open the codec safely
- return codec != NULL && avcodec_open( video_enc, codec ) >= 0;
-}
-
-void close_video(AVFormatContext *oc, AVStream *st)
-{
- avcodec_close(st->codec);
-}
-
-static inline long time_difference( struct timeval *time1 )
-{
- struct timeval time2;
- gettimeofday( &time2, NULL );
- return time2.tv_sec * 1000000 + time2.tv_usec - time1->tv_sec * 1000000 - time1->tv_usec;
-}
-
-/** The main thread - the argument is simply the consumer.
-*/
-
-static void *consumer_thread( void *arg )
-{
- // Map the argument to the object
- mlt_consumer this = arg;
-
- // Get the properties
- mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
-
- // Get the terminate on pause property
- int terminate_on_pause = mlt_properties_get_int( properties, "terminate_on_pause" );
- int terminated = 0;
-
- // Determine if feed is slow (for realtime stuff)
- int real_time_output = mlt_properties_get_int( properties, "real_time" );
-
- // Time structures
- struct timeval ante;
-
- // Get the frame rate
- double fps = mlt_properties_get_double( properties, "fps" );
-
- // Get width and height
- int width = mlt_properties_get_int( properties, "width" );
- int height = mlt_properties_get_int( properties, "height" );
- int img_width = width;
- int img_height = height;
-
- // Get default audio properties
- mlt_audio_format aud_fmt = mlt_audio_pcm;
- int channels = mlt_properties_get_int( properties, "channels" );
- int frequency = mlt_properties_get_int( properties, "frequency" );
- int16_t *pcm = NULL;
- int samples = 0;
-
- // AVFormat audio buffer and frame size
- int audio_outbuf_size = 10000;
- uint8_t *audio_outbuf = av_malloc( audio_outbuf_size );
- int audio_input_frame_size = 0;
-
- // AVFormat video buffer and frame count
- int frame_count = 0;
- int video_outbuf_size = ( 1024 * 1024 );
- uint8_t *video_outbuf = av_malloc( video_outbuf_size );
-
- // Used for the frame properties
- mlt_frame frame = NULL;
- mlt_properties frame_properties = NULL;
-
- // Get the queues
- mlt_deque queue = mlt_properties_get_data( properties, "frame_queue", NULL );
- sample_fifo fifo = mlt_properties_get_data( properties, "sample_fifo", NULL );
-
- // Need two av pictures for converting
- AVFrame *output = NULL;
- AVFrame *input = alloc_picture( PIX_FMT_YUYV422, width, height );
-
- // For receiving images from an mlt_frame
- uint8_t *image;
- mlt_image_format img_fmt = mlt_image_yuv422;
-
- // For receiving audio samples back from the fifo
- int16_t *buffer = av_malloc( 48000 * 2 );
- int count = 0;
-
- // Allocate the context
- AVFormatContext *oc = av_alloc_format_context( );
-
- // Streams
- AVStream *audio_st = NULL;
- AVStream *video_st = NULL;
-
- // Time stamps
- double audio_pts = 0;
- double video_pts = 0;
-
- // Loop variable
- int i;
-
- // Frames despatched
- long int frames = 0;
- long int total_time = 0;
-
- // Determine the format
- AVOutputFormat *fmt = NULL;
- const char *filename = mlt_properties_get( properties, "target" );
- char *format = mlt_properties_get( properties, "f" );
- char *vcodec = mlt_properties_get( properties, "vcodec" );
- char *acodec = mlt_properties_get( properties, "acodec" );
-
- // Used to store and override codec ids
- int audio_codec_id;
- int video_codec_id;
-
- // Check for user selected format first
- if ( format != NULL )
- fmt = guess_format( format, NULL, NULL );
-
- // Otherwise check on the filename
- if ( fmt == NULL && filename != NULL )
- fmt = guess_format( NULL, filename, NULL );
-
- // Otherwise default to mpeg
- if ( fmt == NULL )
- fmt = guess_format( "mpeg", NULL, NULL );
-
- // We need a filename - default to stdout?
- if ( filename == NULL || !strcmp( filename, "" ) )
- filename = "pipe:";
-
- // Get the codec ids selected
- audio_codec_id = fmt->audio_codec;
- video_codec_id = fmt->video_codec;
-
- // Check for audio codec overides
- if ( ( acodec && strcmp( "acodec", "none" ) == 0 ) || mlt_properties_get_int( properties, "an" ) )
- audio_codec_id = CODEC_ID_NONE;
- else if ( acodec )
- {
- AVCodec *p = avcodec_find_encoder_by_name( acodec );
- if ( p != NULL )
- audio_codec_id = p->id;
- else
- fprintf( stderr, "%s: audio codec %s unrecognised - ignoring\n", __FILE__, acodec );
- }
-
- // Check for video codec overides
- if ( ( vcodec && strcmp( "vcodec", "none" ) == 0 ) || mlt_properties_get_int( properties, "vn" ) )
- video_codec_id = CODEC_ID_NONE;
- else if ( vcodec )
- {
- AVCodec *p = avcodec_find_encoder_by_name( vcodec );
- if ( p != NULL )
- video_codec_id = p->id;
- else
- fprintf( stderr, "%s: video codec %s unrecognised - ignoring\n", __FILE__, vcodec );
- }
-
- // Write metadata
- char *tmp = NULL;
- int metavalue;
-
- tmp = mlt_properties_get( properties, "meta.attr.title.markup");
- if (tmp != NULL) snprintf( oc->title, sizeof(oc->title), "%s", tmp );
-
- tmp = mlt_properties_get( properties, "meta.attr.comment.markup");
- if (tmp != NULL) snprintf( oc->comment, sizeof(oc->comment), "%s", tmp );
-
- tmp = mlt_properties_get( properties, "meta.attr.author.markup");
- if (tmp != NULL) snprintf( oc->author, sizeof(oc->author), "%s", tmp );
-
- tmp = mlt_properties_get( properties, "meta.attr.copyright.markup");
- if (tmp != NULL) snprintf( oc->copyright, sizeof(oc->copyright), "%s", tmp );
-
- tmp = mlt_properties_get( properties, "meta.attr.album.markup");
- if (tmp != NULL) snprintf( oc->album, sizeof(oc->album), "%s", tmp );
-
- metavalue = mlt_properties_get_int( properties, "meta.attr.year.markup");
- if (metavalue != 0) oc->year = metavalue;
-
- metavalue = mlt_properties_get_int( properties, "meta.attr.track.markup");
- if (metavalue != 0) oc->track = metavalue;
-
- oc->oformat = fmt;
- snprintf( oc->filename, sizeof(oc->filename), "%s", filename );
-
- // Add audio and video streams
- if ( video_codec_id != CODEC_ID_NONE )
- video_st = add_video_stream( this, oc, video_codec_id );
- if ( audio_codec_id != CODEC_ID_NONE )
- audio_st = add_audio_stream( this, oc, audio_codec_id );
-
- // Set the parameters (even though we have none...)
- if ( av_set_parameters(oc, NULL) >= 0 )
- {
- oc->preload = ( int )( mlt_properties_get_double( properties, "muxpreload" ) * AV_TIME_BASE );
- oc->max_delay= ( int )( mlt_properties_get_double( properties, "muxdelay" ) * AV_TIME_BASE );
-
- // Process properties as AVOptions
- apply_properties( oc, properties, AV_OPT_FLAG_ENCODING_PARAM );
-
- if ( video_st && !open_video( oc, video_st ) )
- video_st = NULL;
- if ( audio_st )
- audio_input_frame_size = open_audio( oc, audio_st, audio_outbuf_size );
-
- // Open the output file, if needed
- if ( !( fmt->flags & AVFMT_NOFILE ) )
- {
- if ( url_fopen( &oc->pb, filename, URL_WRONLY ) < 0 )
- {
- fprintf( stderr, "%s: Could not open '%s'\n", __FILE__, filename );
- mlt_properties_set_int( properties, "running", 0 );
- }
- }
-
- // Write the stream header, if any
- if ( mlt_properties_get_int( properties, "running" ) )
- av_write_header( oc );
- }
- else
- {
- fprintf( stderr, "%s: Invalid output format parameters\n", __FILE__ );
- mlt_properties_set_int( properties, "running", 0 );
- }
-
- // Allocate picture
- if ( video_st )
- output = alloc_picture( video_st->codec->pix_fmt, width, height );
-
- // Last check - need at least one stream
- if ( audio_st == NULL && video_st == NULL )
- mlt_properties_set_int( properties, "running", 0 );
-
- // Get the starting time (can ignore the times above)
- gettimeofday( &ante, NULL );
-
- // Loop while running
- while( mlt_properties_get_int( properties, "running" ) && !terminated )
- {
- // Get the frame
- frame = mlt_consumer_rt_frame( this );
-
- // Check that we have a frame to work with
- if ( frame != NULL )
- {
- // Increment frames despatched
- frames ++;
-
- // Default audio args
- frame_properties = MLT_FRAME_PROPERTIES( frame );
-
- // Check for the terminated condition
- terminated = terminate_on_pause && mlt_properties_get_double( frame_properties, "_speed" ) == 0.0;
-
- // Get audio and append to the fifo
- if ( !terminated && audio_st )
- {
- samples = mlt_sample_calculator( fps, frequency, count ++ );
- mlt_frame_get_audio( frame, &pcm, &aud_fmt, &frequency, &channels, &samples );
-
- // Create the fifo if we don't have one
- if ( fifo == NULL )
- {
- fifo = sample_fifo_init( frequency, channels );
- mlt_properties_set_data( properties, "sample_fifo", fifo, 0, ( mlt_destructor )sample_fifo_close, NULL );
- }
-
- if ( mlt_properties_get_double( frame_properties, "_speed" ) != 1.0 )
- memset( pcm, 0, samples * channels * 2 );
-
- // Append the samples
- sample_fifo_append( fifo, pcm, samples * channels );
- total_time += ( samples * 1000000 ) / frequency;
- }
-
- // Encode the image
- if ( !terminated && video_st )
- mlt_deque_push_back( queue, frame );
- else
- mlt_frame_close( frame );
- }
-
- // While we have stuff to process, process...
- while ( 1 )
- {
- if (audio_st)
- audio_pts = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
- else
- audio_pts = 0.0;
-
- if (video_st)
- video_pts = (double)video_st->pts.val * video_st->time_base.num / video_st->time_base.den;
- else
- video_pts = 0.0;
-
- // Write interleaved audio and video frames
- if ( !video_st || ( video_st && audio_st && audio_pts < video_pts ) )
- {
- if ( channels * audio_input_frame_size < sample_fifo_used( fifo ) )
- {
- AVCodecContext *c;
- AVPacket pkt;
- av_init_packet( &pkt );
-
- c = audio_st->codec;
-
- sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
-
- pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
- // Write the compressed frame in the media file
- if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
- pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st->time_base );
- pkt.flags |= PKT_FLAG_KEY;
- pkt.stream_index= audio_st->index;
- pkt.data= audio_outbuf;
-
- if ( pkt.size )
- if ( av_interleaved_write_frame( oc, &pkt ) != 0)
- fprintf( stderr, "%s: Error while writing audio frame\n", __FILE__ );
-
- audio_pts += c->frame_size;
- }
- else
- {
- break;
- }
- }
- else if ( video_st )
- {
- if ( mlt_deque_count( queue ) )
- {
- int out_size, ret;
- AVCodecContext *c;
-
- frame = mlt_deque_pop_front( queue );
- frame_properties = MLT_FRAME_PROPERTIES( frame );
-
- c = video_st->codec;
-
- if ( mlt_properties_get_int( frame_properties, "rendered" ) )
- {
- int i = 0;
- int j = 0;
- uint8_t *p;
- uint8_t *q;
-
- mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
-
- mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
-
- q = image;
-
- // Convert the mlt frame to an AVPicture
- for ( i = 0; i < height; i ++ )
- {
- p = input->data[ 0 ] + i * input->linesize[ 0 ];
- j = width;
- while( j -- )
- {
- *p ++ = *q ++;
- *p ++ = *q ++;
- }
- }
-
- // Do the colour space conversion
-#ifdef SWSCALE
- struct SwsContext *context = sws_getContext( width, height, PIX_FMT_YUYV422,
- width, height, video_st->codec->pix_fmt, SWS_FAST_BILINEAR, NULL, NULL, NULL);
- sws_scale( context, input->data, input->linesize, 0, height,
- output->data, output->linesize);
- sws_freeContext( context );
-#else
- img_convert( ( AVPicture * )output, video_st->codec->pix_fmt, ( AVPicture * )input, PIX_FMT_YUYV422, width, height );
-#endif
-
- // Apply the alpha if applicable
- if ( video_st->codec->pix_fmt == PIX_FMT_RGB32 )
- {
- uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
- register int n;
-
- for ( i = 0; i < height; i ++ )
- {
- n = ( width + 7 ) / 8;
- p = output->data[ 0 ] + i * output->linesize[ 0 ];
-
- #ifndef __DARWIN__
- p += 3;
- #endif
-
- switch( width % 8 )
- {
- case 0: do { *p = *alpha++; p += 4;
- case 7: *p = *alpha++; p += 4;
- case 6: *p = *alpha++; p += 4;
- case 5: *p = *alpha++; p += 4;
- case 4: *p = *alpha++; p += 4;
- case 3: *p = *alpha++; p += 4;
- case 2: *p = *alpha++; p += 4;
- case 1: *p = *alpha++; p += 4;
- }
- while( --n );
- }
- }
- }
- }
-
- if (oc->oformat->flags & AVFMT_RAWPICTURE)
- {
- // raw video case. The API will change slightly in the near future for that
- AVPacket pkt;
- av_init_packet(&pkt);
-
- pkt.flags |= PKT_FLAG_KEY;
- pkt.stream_index= video_st->index;
- pkt.data= (uint8_t *)output;
- pkt.size= sizeof(AVPicture);
-
- ret = av_write_frame(oc, &pkt);
- video_pts += c->frame_size;
- }
- else
- {
- // Set the quality
- output->quality = video_st->quality;
-
- // Set frame interlace hints
- output->interlaced_frame = !mlt_properties_get_int( frame_properties, "progressive" );
- output->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
-
- // Encode the image
- out_size = avcodec_encode_video(c, video_outbuf, video_outbuf_size, output );
-
- // If zero size, it means the image was buffered
- if (out_size > 0)
- {
- AVPacket pkt;
- av_init_packet( &pkt );
-
- if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
- pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
- if( c->coded_frame && c->coded_frame->key_frame )
- pkt.flags |= PKT_FLAG_KEY;
- pkt.stream_index= video_st->index;
- pkt.data= video_outbuf;
- pkt.size= out_size;
-
- // write the compressed frame in the media file
- ret = av_interleaved_write_frame(oc, &pkt);
- video_pts += c->frame_size;
-
- // Dual pass logging
- if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out)
- fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
- }
- else
- {
- fprintf( stderr, "%s: error with video encode\n", __FILE__ );
- }
- }
- frame_count++;
- mlt_frame_close( frame );
- }
- else
- {
- break;
- }
- }
- }
-
- if ( real_time_output == 1 && frames % 12 == 0 )
- {
- long passed = time_difference( &ante );
- if ( fifo != NULL )
- {
- long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
- passed -= pending;
- }
- if ( passed < total_time )
- {
- long total = ( total_time - passed );
- struct timespec t = { total / 1000000, ( total % 1000000 ) * 1000 };
- nanosleep( &t, NULL );
- }
- }
- }
-
-#ifdef FLUSH
- if ( ! real_time_output )
- {
- // Flush audio fifo
- if ( audio_st && audio_st->codec->frame_size > 1 ) for (;;)
- {
- AVCodecContext *c = audio_st->codec;
- AVPacket pkt;
- av_init_packet( &pkt );
- pkt.size = 0;
-
- if ( /*( c->capabilities & CODEC_CAP_SMALL_LAST_FRAME ) &&*/
- ( channels * audio_input_frame_size < sample_fifo_used( fifo ) ) )
- {
- sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
- pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
- }
- if ( pkt.size <= 0 )
- pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, NULL );
- if ( pkt.size <= 0 )
- break;
-
- // Write the compressed frame in the media file
- if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
- pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st->time_base );
- pkt.flags |= PKT_FLAG_KEY;
- pkt.stream_index = audio_st->index;
- pkt.data = audio_outbuf;
- if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
- {
- fprintf( stderr, "%s: Error while writing flushed audio frame\n", __FILE__ );
- break;
- }
- }
-
- // Flush video
- if ( video_st && !( oc->oformat->flags & AVFMT_RAWPICTURE ) ) for (;;)
- {
- AVCodecContext *c = video_st->codec;
- AVPacket pkt;
- av_init_packet( &pkt );
-
- // Encode the image
- pkt.size = avcodec_encode_video( c, video_outbuf, video_outbuf_size, NULL );
- if ( pkt.size <= 0 )
- break;
-
- if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
- pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
- if( c->coded_frame && c->coded_frame->key_frame )
- pkt.flags |= PKT_FLAG_KEY;
- pkt.stream_index = video_st->index;
- pkt.data = video_outbuf;
-
- // write the compressed frame in the media file
- if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
- {
- fprintf( stderr, "%s: Error while writing flushed video frame\n". __FILE__ );
- break;
- }
- }
- }
-#endif
-
- // close each codec
- if (video_st)
- close_video(oc, video_st);
- if (audio_st)
- close_audio(oc, audio_st);
-
- // Write the trailer, if any
- av_write_trailer(oc);
-
- // Free the streams
- for(i = 0; i < oc->nb_streams; i++)
- av_freep(&oc->streams[i]);
-
- // Close the output file
- if (!(fmt->flags & AVFMT_NOFILE))
-#if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(0<<8)+0)
- url_fclose(oc->pb);
-#else
- url_fclose(&oc->pb);
-#endif
-
- // Clean up input and output frames
- if ( output )
- av_free( output->data[0] );
- av_free( output );
- av_free( input->data[0] );
- av_free( input );
- av_free( video_outbuf );
- av_free( buffer );
-
- // Free the stream
- av_free(oc);
-
- // Just in case we terminated on pause
- mlt_properties_set_int( properties, "running", 0 );
-
- mlt_consumer_stopped( this );
-
- if ( mlt_properties_get_int( properties, "pass" ) == 2 )
- {
- // Remove the dual pass log file
- if ( mlt_properties_get( properties, "_logfilename" ) )
- remove( mlt_properties_get( properties, "_logfilename" ) );
-
- // Remove the x264 dual pass logs
- char *cwd = getcwd( NULL, 0 );
- const char *file = "x264_2pass.log";
- char *full = malloc( strlen( cwd ) + strlen( file ) + 2 );
- sprintf( full, "%s/%s", cwd, file );
- remove( full );
- free( full );
- file = "x264_2pass.log.temp";
- full = malloc( strlen( cwd ) + strlen( file ) + 2 );
- sprintf( full, "%s/%s", cwd, file );
- remove( full );
- free( full );
- free( cwd );
- remove( "x264_2pass.log.temp" );
- }
-
- return NULL;
-}
-
-/** Close the consumer.
-*/
-
-static void consumer_close( mlt_consumer this )
-{
- // Stop the consumer
- mlt_consumer_stop( this );
-
- // Close the parent
- mlt_consumer_close( this );
-
- // Free the memory
- free( this );
-}
projects / melted / blobdiff