diff options
Diffstat (limited to 'core/Mux.c')
| -rw-r--r-- | core/Mux.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/core/Mux.c b/core/Mux.c deleted file mode 100644 index c9449e7ff..000000000 --- a/core/Mux.c +++ /dev/null @@ -1,228 +0,0 @@ -/* $Id: Mux.c,v 1.9 2004/05/25 17:36:40 titer Exp $ - - This file is part of the HandBrake source code. - Homepage: <http://handbrake.m0k.org/>. - It may be used under the terms of the GNU General Public License. */ - -#include <sys/types.h> -#include <sys/stat.h> - -#include "HBInternal.h" - -HBMux * HBAviMuxInit( HBHandle * handle, HBTitle * title ); -void HBAviMuxClose( HBMux ** ); -HBMux * HBMp4MuxInit( HBHandle * handle, HBTitle * title ); -void HBMp4MuxClose( HBMux ** ); -HBMux * HBOgmMuxInit( HBHandle * handle, HBTitle * title ); -void HBOgmMuxClose( HBMux ** ); - -/* Local prototypes */ -static void MuxThread( void * t ); - -struct HBMux -{ - HB_MUX_COMMON_MEMBERS -}; - -struct HBMuxThread -{ - HBHandle * handle; - HBTitle * title; - HBMux * mux; - - uint64_t videoFrames; - uint64_t videoBytes; - uint64_t audioFrames; - uint64_t audioBytes; - - volatile int die; - HBThread * thread; -}; - -HBMuxThread * HBMuxThreadInit( HBHandle * handle, HBTitle * title ) -{ - HBMuxThread * t; - if( !( t = calloc( sizeof( HBMuxThread ), 1 ) ) ) - { - HBLog( "HBMuxThreadInit: malloc() failed, gonna crash" ); - return NULL; - } - t->handle = handle; - t->title = title; - - /* Init muxer */ - if( title->mux == HB_MUX_AVI ) - t->mux = HBAviMuxInit( handle, title ); - else if( title->mux == HB_MUX_MP4 ) - t->mux = HBMp4MuxInit( handle, title ); - else if( title->mux == HB_MUX_OGM ) - t->mux = HBOgmMuxInit( handle, title ); - - /* Launch the thread */ - t->thread = HBThreadInit( "mux thread", MuxThread, t, - HB_NORMAL_PRIORITY ); - - return t; -} - -void HBMuxThreadClose( HBMuxThread ** _t ) -{ - HBMuxThread * t = (*_t); - HBTitle * title = t->title; - struct stat sb; - - /* Stop the thread */ - t->die = 1; - HBThreadClose( &t->thread ); - - /* Close muxer */ - if( title->mux == HB_MUX_AVI ) - HBAviMuxClose( &t->mux ); - else if( title->mux == HB_MUX_MP4 ) - HBMp4MuxClose( &t->mux ); - else if( title->mux == HB_MUX_OGM ) - HBOgmMuxClose( &t->mux ); - - /* Stats */ - if( !stat( title->file, &sb ) ) - { - uint64_t overhead; - HBAudio * audio; - - overhead = (uint64_t) sb.st_size - t->videoBytes - t->audioBytes; - HBLog( "HBMuxThread: file size: "LLD" bytes", - (uint64_t) sb.st_size ); - HBLog( "HBMuxThread: video data: "LLD" bytes ("LLD" frames)", - t->videoBytes, t->videoFrames ); - HBLog( "HBMuxThread: audio data: "LLD" bytes ("LLD" frames)", - t->audioBytes, t->audioFrames ); - HBLog( "HBMuxThread: overhead: "LLD" bytes (%.2f bytes per " - "frame)", overhead, (float) overhead / ( t->videoFrames + - t->audioFrames ) ); - - HBLog( "HBMuxThread: video bitrate: %.2f kbps", - (float) t->videoBytes * title->rate / t->videoFrames / - title->rateBase / 128 ); - HBLog( "HBMuxThread: video error: "LLD" bytes", t->videoBytes - - t->videoFrames * title->bitrate * 128 * title->rateBase / - title->rate ); - - /* FIXME - handle multi-audio encoding */ - audio = (HBAudio *) HBListItemAt( title->ripAudioList, 0 ); - if( audio ) - { - int samplesPerFrame = ( audio->outCodec == HB_CODEC_MP3 ? - 1152 : 1024 ); - HBLog( "HBMuxThread: audio bitrate: %.2f kbps", - (float) t->audioBytes * audio->outSampleRate / - t->audioFrames / samplesPerFrame / 125 ); - HBLog( "HBMuxThread: audio error: "LLD" bytes", - t->audioBytes - audio->outBitrate * t->audioFrames * - 125 * samplesPerFrame / audio->outSampleRate ); - } - } - - free( t ); - - *_t = NULL; -} - -static int MuxWait( HBTitle * title ) -{ - int i; - HBAudio * audio; - - if( !HBFifoWait( title->outFifo ) ) - { - return 0; - } - for( i = 0; i < HBListCount( title->ripAudioList ); i++ ) - { - audio = HBListItemAt( title->ripAudioList, i ); - if( !HBFifoWait( audio->outFifo ) ) - { - return 0; - } - } - return 1; -} - -static void MuxThread( void * _t ) -{ - HBMuxThread * t = (HBMuxThread*) _t; - HBTitle * title = t->title; - HBMux * m = t->mux; - HBAudio * audio; - HBBuffer * buffer; - int i; - - /* Remove the file if already existing */ - unlink( title->file ); - - /* Wait until we have at least one video frame and 3 audio frames - for each track (Vorbis...) */ - if( !HBFifoWait( title->outFifo ) ) - { - return; - } - for( i = 0; i < HBListCount( title->ripAudioList ); i++ ) - { - audio = HBListItemAt( title->ripAudioList, i ); - while( !t->die && HBFifoSize( audio->outFifo ) < 3 ) - { - HBSnooze( 10000 ); - } - if( t->die ) - { - return; - } - } - - m->start( m ); - - /* Mux */ - for( ;; ) - { - /* Wait until we have one frame for each track */ - if( !MuxWait( title ) ) - { - break; - } - - /* Interleave frames in the same order than they were in the - original MPEG stream */ - audio = NULL; - for( i = 0; i < HBListCount( title->ripAudioList ); i++ ) - { - HBAudio * otherAudio; - otherAudio = HBListItemAt( title->ripAudioList, i ); - if( !audio || HBFifoPosition( otherAudio->outFifo ) < - HBFifoPosition( audio->outFifo ) ) - { - audio = otherAudio; - } - } - if( !audio || HBFifoPosition( title->outFifo ) < - HBFifoPosition( audio->outFifo ) ) - { - /* Video */ - buffer = HBFifoPop( title->outFifo ); - m->muxVideo( m, title->muxData, buffer ); - t->videoBytes += buffer->size; - t->videoFrames++; - HBBufferClose( &buffer ); - } - else - { - /* Audio */ - buffer = HBFifoPop( audio->outFifo ); - m->muxAudio( m, audio->muxData, buffer ); - t->audioBytes += buffer->size; - t->audioFrames++; - HBBufferClose( &buffer ); - } - } - - m->end( m ); -} - |