* Copyright (C) 2003-2004 Ushodaya Enterprises Limited
* Author: Charles Yates <charles.yates@pandora.be>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-// Local header files
-#include "consumer_avformat.h"
-
// mlt Header files
+#include <framework/mlt_consumer.h>
#include <framework/mlt_frame.h>
// System header files
// avformat header files
#include <avformat.h>
+#ifdef SWSCALE
+#include <swscale.h>
+#endif
//
// This structure should be extended and made globally available in mlt
/** Initialise the dv consumer.
*/
-mlt_consumer consumer_avformat_init( char *arg )
+mlt_consumer consumer_avformat_init( mlt_profile profile, char *arg )
{
// Allocate the consumer
- mlt_consumer this = mlt_consumer_new( );
+ mlt_consumer this = mlt_consumer_new( profile );
// If memory allocated and initialises without error
if ( this != NULL )
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_i_qfactor", -0.8 );
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_double( properties, "video_i_qoffset", 0 );
+ mlt_properties_set_double( properties, "video_b_qoffset", 1.25 );
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, "coder", 0 );
mlt_properties_set_int( properties, "context", 0 );
mlt_properties_set_int( properties, "predictor", 0 );
+ mlt_properties_set_int( properties, "ildct", 0 );
+ mlt_properties_set_int( properties, "ilme", 0 );
// Ensure termination at end of the stream
mlt_properties_set_int( properties, "terminate_on_pause", 1 );
c->sample_rate = mlt_properties_get_int( properties, "frequency" );
c->channels = mlt_properties_get_int( properties, "channels" );
+ 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, "afourcc" ) )
{
if ( st != NULL )
{
+ char *pix_fmt = mlt_properties_get( properties, "pix_fmt" );
+ double ar = mlt_properties_get_double( properties, "display_ratio" );
AVCodecContext *c = st->codec;
c->codec_id = codec_id;
c->codec_type = CODEC_TYPE_VIDEO;
c->time_base.num = mlt_properties_get_int( properties, "frame_rate_den" );
c->time_base.den = mlt_properties_get_int( properties, "frame_rate_num" );
c->gop_size = mlt_properties_get_int( properties, "gop_size" );
- c->pix_fmt = PIX_FMT_YUV420P;
+ c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
if ( mlt_properties_get_int( properties, "b_frames" ) )
{
}
c->mb_decision = mlt_properties_get_int( properties, "mb_decision" );
- c->sample_aspect_ratio.den = mlt_properties_get_double( properties, "aspect_ratio_den" );
- c->sample_aspect_ratio.num = mlt_properties_get_double( properties, "aspect_ratio_num" );
+ c->sample_aspect_ratio = av_d2q( ar * c->height / c->width , 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->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_initial_buffer_occupancy = c->rc_buffer_size*3/4;
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->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" );
+ if ( mlt_properties_get_int( properties, "progressive" ) == 0 &&
+ mlt_properties_get_int( properties, "deinterlace" ) == 0 )
+ {
+ if ( mlt_properties_get_int( properties, "ildct" ) )
+ c->flags |= CODEC_FLAG_INTERLACED_DCT;
+ if ( mlt_properties_get_int( properties, "ilme" ) )
+ c->flags |= CODEC_FLAG_INTERLACED_ME;
+ }
}
else
{
struct timeval ante;
// Get the frame rate
- int fps = mlt_properties_get_double( properties, "fps" );
+ double fps = mlt_properties_get_double( properties, "fps" );
// Get width and height
int width = mlt_properties_get_int( properties, "width" );
}
// Update the output context
+
+ // 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 );
// Get audio and append to the fifo
if ( !terminated && audio_st )
{
- samples = mlt_sample_calculator( fps, frequency, count );
+ 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
pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
// Write the compressed frame in the media file
- if ( c->coded_frame )
+ 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, "Error while writing audio frame\n");
+ if ( pkt.size )
+ if ( av_interleaved_write_frame( oc, &pkt ) != 0)
+ fprintf(stderr, "Error while writing audio frame\n");
audio_pts += c->frame_size;
}
mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
- // This will cause some fx to go awry....
- if ( mlt_properties_get_int( properties, "transcode" ) )
- {
- 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 );
q = image;
+ // Convert the mlt frame to an AVPicture
for ( i = 0; i < height; i ++ )
{
p = input->data[ 0 ] + i * input->linesize[ 0 ];
}
}
+ // Do the colour space conversion
+#ifdef SWSCALE
+ struct SwsContext *context = sws_getContext( width, height, PIX_FMT_YUV422,
+ 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_YUV422, width, height );
+#endif
+
+ // Apply the alpha if applicable
+ if ( video_st->codec->pix_fmt == PIX_FMT_RGBA32 )
+ {
+ 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)
// 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)
+ if (out_size > 0)
{
AVPacket pkt;
av_init_packet( &pkt );
- if ( c->coded_frame )
+ 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;
ret = av_interleaved_write_frame(oc, &pkt);
video_pts += c->frame_size;
}
+ else
+ {
+ fprintf( stderr, "Error with video encode\n" );
+ }
}
frame_count++;
mlt_frame_close( frame );
}
}
+#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, "Error while writing flushed audio frame\n");
+ 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, "Error while writing flushed video frame\n");
+ break;
+ }
+ }
+ }
+#endif
+
// close each codec
if (video_st)
close_video(oc, video_st);
// 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 )
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