// avformat header files
#include <avformat.h>
+//
+// 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( )
+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 )
{
- return calloc( 1, sizeof( sample_fifo_s ) );
+ 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 )
this->used -= count;
memmove( this->buffer, &this->buffer[ count ], this->used * sizeof( int16_t ) );
+ this->time += ( double )count / this->channels / this->frequency;
+
return count;
}
mlt_properties_set( properties, "target", arg );
// sample and frame queue
- mlt_properties_set_data( properties, "sample_fifo", sample_fifo_init( ), 0, ( mlt_destructor )sample_fifo_close, NULL );
mlt_properties_set_data( properties, "frame_queue", mlt_deque_init( ), 0, ( mlt_destructor )mlt_deque_close, NULL );
- // Set avformat defaults
+ // Set avformat defaults (all lifted from ffmpeg.c)
mlt_properties_set_int( properties, "audio_bit_rate", 128000 );
mlt_properties_set_int( properties, "video_bit_rate", 200 * 1000 );
mlt_properties_set_int( properties, "video_bit_rate_tolerance", 4000 * 1000 );
mlt_properties_set_int( properties, "frame_rate_base", 1 );
mlt_properties_set_int( properties, "gop_size", 12 );
- mlt_properties_set_int( properties, "max_b_frames", 0 );
- mlt_properties_set_int( properties, "mb_decision", 0 );
+ mlt_properties_set_int( properties, "b_frames", 0 );
+ mlt_properties_set_int( properties, "mb_decision", FF_MB_DECISION_SIMPLE );
mlt_properties_set_double( properties, "qscale", 0 );
mlt_properties_set_int( properties, "me_method", ME_EPZS );
+ mlt_properties_set_int( properties, "mb_cmp", FF_CMP_SAD );
+ mlt_properties_set_int( properties, "ildct_cmp", FF_CMP_VSAD );
+ mlt_properties_set_int( properties, "sub_cmp", FF_CMP_SAD );
+ mlt_properties_set_int( properties, "cmp", FF_CMP_SAD );
+ mlt_properties_set_int( properties, "pre_cmp", FF_CMP_SAD );
+ mlt_properties_set_int( properties, "pre_me", 0 );
+ mlt_properties_set_double( properties, "lumi_mask", 0 );
+ mlt_properties_set_double( properties, "dark_mask", 0 );
+ mlt_properties_set_double( properties, "scplx_mask", 0 );
+ mlt_properties_set_double( properties, "tcplx_mask", 0 );
+ mlt_properties_set_double( properties, "p_mask", 0 );
+ mlt_properties_set_int( properties, "qns", 0 );
+ mlt_properties_set_int( properties, "video_qmin", 2 );
+ mlt_properties_set_int( properties, "video_qmax", 31 );
+ mlt_properties_set_int( properties, "video_lmin", 2*FF_QP2LAMBDA );
+ mlt_properties_set_int( properties, "video_lmax", 31*FF_QP2LAMBDA );
+ mlt_properties_set_int( properties, "video_mb_qmin", 2 );
+ mlt_properties_set_int( properties, "video_mb_qmax", 31 );
+ mlt_properties_set_int( properties, "video_qdiff", 3 );
+ mlt_properties_set_double( properties, "video_qblur", 0.5 );
+ mlt_properties_set_double( properties, "video_qcomp", 0.5 );
+ mlt_properties_set_int( properties, "video_rc_max_rate", 0 );
+ mlt_properties_set_int( properties, "video_rc_min_rate", 0 );
+ mlt_properties_set_int( properties, "video_rc_buffer_size", 0 );
+ mlt_properties_set_double( properties, "video_rc_buffer_aggressivity", 1.0 );
+ mlt_properties_set_double( properties, "video_rc_initial_cplx", 0 );
+ mlt_properties_set_double( properties, "video_i_qfactor", 1.25 );
+ mlt_properties_set_double( properties, "video_b_qfactor", 1.25 );
+ mlt_properties_set_double( properties, "video_i_qoffset", -0.8 );
+ mlt_properties_set_double( properties, "video_b_qoffset", 0 );
+ mlt_properties_set_int( properties, "video_intra_quant_bias", FF_DEFAULT_QUANT_BIAS );
+ mlt_properties_set_int( properties, "video_inter_quant_bias", FF_DEFAULT_QUANT_BIAS );
+ mlt_properties_set_int( properties, "dct_algo", 0 );
+ mlt_properties_set_int( properties, "idct_algo", 0 );
+ mlt_properties_set_int( properties, "me_threshold", 0 );
+ mlt_properties_set_int( properties, "mb_threshold", 0 );
+ mlt_properties_set_int( properties, "intra_dc_precision", 0 );
+ mlt_properties_set_int( properties, "strict", 0 );
+ mlt_properties_set_int( properties, "error_rate", 0 );
+ mlt_properties_set_int( properties, "noise_reduction", 0 );
+ mlt_properties_set_int( properties, "sc_threshold", 0 );
+ mlt_properties_set_int( properties, "me_range", 0 );
+ mlt_properties_set_int( properties, "coder", 0 );
+ mlt_properties_set_int( properties, "context", 0 );
+ mlt_properties_set_int( properties, "predictor", 0 );
// Ensure termination at end of the stream
mlt_properties_set_int( properties, "terminate_on_pause", 1 );
c->frame_rate_base = mlt_properties_get_double( properties, "frame_rate_base" );
c->frame_rate_base = 1;
c->gop_size = mlt_properties_get_int( properties, "gop_size" );
- c->max_b_frames = mlt_properties_get_int( properties, "max_b_frames" );
- if ( c->max_b_frames )
+
+ if ( mlt_properties_get_int( properties, "b_frames" ) )
{
+ c->max_b_frames = mlt_properties_get_int( properties, "b_frames" );
c->b_frame_strategy = 0;
c->b_quant_factor = 2.0;
}
c->mb_decision = mlt_properties_get_int( properties, "mb_decision" );
c->sample_aspect_ratio = av_d2q( mlt_properties_get_double( properties, "aspect_ratio" ), 255 );
-
+ c->mb_cmp = mlt_properties_get_int( properties, "mb_cmp" );
+ c->ildct_cmp = mlt_properties_get_int( properties, "ildct_cmp" );
+ c->me_sub_cmp = mlt_properties_get_int( properties, "sub_cmp" );
+ c->me_cmp = mlt_properties_get_int( properties, "cmp" );
+ c->me_pre_cmp = mlt_properties_get_int( properties, "pre_cmp" );
+ c->pre_me = mlt_properties_get_int( properties, "pre_me" );
+ c->lumi_masking = mlt_properties_get_double( properties, "lumi_mask" );
+ c->dark_masking = mlt_properties_get_double( properties, "dark_mask" );
+ c->spatial_cplx_masking = mlt_properties_get_double( properties, "scplx_mask" );
+ c->temporal_cplx_masking = mlt_properties_get_double( properties, "tcplx_mask" );
+ c->p_masking = mlt_properties_get_double( properties, "p_mask" );
+ c->quantizer_noise_shaping= mlt_properties_get_int( properties, "qns" );
+ c->qmin = mlt_properties_get_int( properties, "video_qmin" );
+ c->qmax = mlt_properties_get_int( properties, "video_qmax" );
+ c->lmin = mlt_properties_get_int( properties, "video_lmin" );
+ c->lmax = mlt_properties_get_int( properties, "video_lmax" );
+ c->mb_qmin = mlt_properties_get_int( properties, "video_mb_qmin" );
+ c->mb_qmax = mlt_properties_get_int( properties, "video_mb_qmax" );
+ c->max_qdiff = mlt_properties_get_int( properties, "video_qdiff" );
+ c->qblur = mlt_properties_get_double( properties, "video_qblur" );
+ c->qcompress = mlt_properties_get_double( properties, "video_qcomp" );
if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
{
!strcmp( oc->oformat->name, "3gp" ) )
c->flags |= CODEC_FLAG_GLOBAL_HEADER;
+ c->rc_max_rate = mlt_properties_get_int( properties, "video_rc_max_rate" );
+ c->rc_min_rate = mlt_properties_get_int( properties, "video_rc_min_rate" );
+ c->rc_buffer_size = mlt_properties_get_int( properties, "video_rc_buffer_size" );
+ c->rc_buffer_aggressivity= mlt_properties_get_double( properties, "video_rc_buffer_aggressivity" );
+ c->rc_initial_cplx= mlt_properties_get_double( properties, "video_rc_initial_cplx" );
+ c->i_quant_factor = mlt_properties_get_double( properties, "video_i_qfactor" );
+ c->b_quant_factor = mlt_properties_get_double( properties, "video_b_qfactor" );
+ c->i_quant_offset = mlt_properties_get_double( properties, "video_i_qoffset" );
+ c->b_quant_offset = mlt_properties_get_double( properties, "video_b_qoffset" );
+ c->intra_quant_bias = mlt_properties_get_int( properties, "video_intra_quant_bias" );
+ c->inter_quant_bias = mlt_properties_get_int( properties, "video_inter_quant_bias" );
+ c->dct_algo = mlt_properties_get_int( properties, "dct_algo" );
+ c->idct_algo = mlt_properties_get_int( properties, "idct_algo" );
+ c->me_threshold= mlt_properties_get_int( properties, "me_threshold" );
+ c->mb_threshold= mlt_properties_get_int( properties, "mb_threshold" );
+ c->intra_dc_precision= mlt_properties_get_int( properties, "intra_dc_precision" );
+ c->strict_std_compliance = mlt_properties_get_int( properties, "strict" );
+ c->error_rate = mlt_properties_get_int( properties, "error_rate" );
+ c->noise_reduction= mlt_properties_get_int( properties, "noise_reduction" );
+ c->scenechange_threshold= mlt_properties_get_int( properties, "sc_threshold" );
+ c->me_range = mlt_properties_get_int( properties, "me_range" );
+ c->coder_type= mlt_properties_get_int( properties, "coder" );
+ c->context_model= mlt_properties_get_int( properties, "context" );
+ c->prediction_method= mlt_properties_get_int( properties, "predictor" );
c->me_method = mlt_properties_get_int( properties, "me_method" );
}
else
// 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" );
int samples = 0;
// AVFormat audio buffer and frame size
- int audio_outbuf_size = 2 * 128 * 1024;
+ int audio_outbuf_size = 10000;
uint8_t *audio_outbuf = av_malloc( audio_outbuf_size );
int audio_input_frame_size = 0;
uint8_t *image;
mlt_image_format img_fmt = mlt_image_yuv422;
- // Fo receiving audio samples back from the fifo
- int16_t buffer[ 48000 * 2 ];
+ // For receiving audio samples back from the fifo
+ int16_t *buffer = av_malloc( 48000 * 2 );
int count = 0;
// Allocate the context
fmt = guess_format( "mpeg", NULL, NULL );
// We need a filename - default to stdout?
- if ( filename == NULL )
+ if ( filename == NULL || !strcmp( filename, "" ) )
filename = "pipe:";
// Get the codec ids selected
// Open the output file, if needed
if ( !( fmt->flags & AVFMT_NOFILE ) )
{
- if (url_fopen(&oc->pb, filename, URL_RDWR) < 0)
+ if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0)
{
fprintf(stderr, "Could not open '%s'\n", filename);
mlt_properties_set_int( properties, "running", 0 );
gettimeofday( &ante, NULL );
// Loop while running
- while( mlt_properties_get_int( properties, "running" ) )
+ while( mlt_properties_get_int( properties, "running" ) && !terminated )
{
// Get the frame
frame = mlt_consumer_rt_frame( this );
// 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 ( 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 );
+ }
+
+ // Append the samples
sample_fifo_append( fifo, pcm, samples * channels );
total_time += ( samples * 1000000 ) / frequency;
}
mlt_deque_push_back( queue, frame );
else
mlt_frame_close( frame );
+ }
- // While we have stuff to process, process...
- while ( 1 )
+ // While we have stuff to process, process...
+ while ( 1 )
+ {
+ // Compute current audio and video time
+ 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 ) )
{
- // Compute current audio and video time
- if (audio_st)
- audio_pts = (double)audio_st->pts.val * oc->pts_num / oc->pts_den;
- else
- audio_pts = 0.0;
-
- if (video_st)
- video_pts = (double)video_st->pts.val * oc->pts_num / oc->pts_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 ) )
{
- if ( channels * audio_input_frame_size < sample_fifo_used( fifo ) )
- {
- int out_size;
- AVCodecContext *c;
+ AVCodecContext *c;
+ AVPacket pkt;
+ av_init_packet( &pkt );
- c = &audio_st->codec;
+ c = &audio_st->codec;
- sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
+ sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
- out_size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
+ pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
+ // Write the compressed frame in the media file
+ if ( c->coded_frame )
+ pkt.pts= c->coded_frame->pts;
+ pkt.flags |= PKT_FLAG_KEY;
+ pkt.stream_index= audio_st->index;
+ pkt.data= audio_outbuf;
- // Write the compressed frame in the media file
- if (av_write_frame(oc, audio_st->index, audio_outbuf, out_size) != 0)
- fprintf(stderr, "Error while writing audio frame\n");
- }
- else
- {
- break;
- }
+ if ( av_interleaved_write_frame( oc, &pkt ) != 0)
+ fprintf(stderr, "Error while writing audio frame\n");
+ }
+ else
+ {
+ break;
}
- else if ( video_st )
+ }
+ else if ( video_st )
+ {
+ if ( mlt_deque_count( queue ) )
{
- 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 out_size, ret;
- AVCodecContext *c;
-
- frame = mlt_deque_pop_front( queue );
- frame_properties = mlt_frame_properties( frame );
+ int i = 0;
+ int j = 0;
+ uint8_t *p;
+ uint8_t *q;
- if ( terminate_on_pause && mlt_properties_get_double( frame_properties, "_speed" ) == 0.0 )
- {
- mlt_properties_set_int( properties, "running", 0 );
- break;
- }
+ mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
- c = &video_st->codec;
-
- if ( mlt_properties_get_int( frame_properties, "rendered" ) )
+ // This will cause some fx to go awry....
+ if ( mlt_properties_get_int( properties, "transcode" ) )
{
- int i = 0;
- int j = 0;
- uint8_t *p;
- uint8_t *q;
+ mlt_properties_set_int( mlt_frame_properties( frame ), "normalised_width", img_height * 4.0 / 3.0 );
+ mlt_properties_set_int( mlt_frame_properties( frame ), "normalised_height", img_height );
+ }
- mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
+ mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
- q = image;
+ q = image;
- for ( i = 0; i < height; i ++ )
+ for ( i = 0; i < height; i ++ )
+ {
+ p = input->data[ 0 ] + i * input->linesize[ 0 ];
+ j = width;
+ while( j -- )
{
- p = input->data[ 0 ] + i * input->linesize[ 0 ];
- j = width;
- while( j -- )
- {
- *p ++ = *q ++;
- *p ++ = *q ++;
- }
+ *p ++ = *q ++;
+ *p ++ = *q ++;
}
-
- img_convert( ( AVPicture * )output, PIX_FMT_YUV420P, ( AVPicture * )input, PIX_FMT_YUV422, width, height );
}
-
- if (oc->oformat->flags & AVFMT_RAWPICTURE)
- {
- // raw video case. The API will change slightly in the near future for that
- ret = av_write_frame(oc, video_st->index, (uint8_t *)output, sizeof(AVPicture));
- }
- else
- {
- // 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)
- {
- // write the compressed frame in the media file
- // XXX: in case of B frames, the pts is not yet valid
- ret = av_write_frame( oc, video_st->index, video_outbuf, out_size );
- }
- }
- frame_count++;
- mlt_frame_close( frame );
+ img_convert( ( AVPicture * )output, PIX_FMT_YUV420P, ( AVPicture * )input, PIX_FMT_YUV422, width, height );
}
- else
+
+ if (oc->oformat->flags & AVFMT_RAWPICTURE)
{
- break;
- }
+ // 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);
+ }
+ else
+ {
+ // Set the quality
+ output->quality = video_st->quality;
+
+ // 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 )
+ pkt.pts= c->coded_frame->pts;
+ if(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);
+ }
+ }
+ frame_count++;
+ mlt_frame_close( frame );
+ }
+ else
+ {
+ break;
}
}
}
if ( real_time_output && frames % 25 == 0 )
{
long passed = time_difference( &ante );
- long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
- passed -= pending;
+ if ( fifo != NULL )
+ {
+ long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
+ passed -= pending;
+ }
if ( passed < total_time )
{
long total = ( total_time - passed );
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 );
+
return NULL;
}
projects / mlt / blobdiff