diff options
Diffstat (limited to 'core/VorbisEnc.c')
| -rw-r--r-- | core/VorbisEnc.c | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/core/VorbisEnc.c b/core/VorbisEnc.c deleted file mode 100644 index 8b7b10f8f..000000000 --- a/core/VorbisEnc.c +++ /dev/null @@ -1,172 +0,0 @@ -/* $Id: VorbisEnc.c,v 1.9 2004/05/02 16:25:00 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 "HBInternal.h" - -/* libvorbis */ -#include <vorbis/vorbisenc.h> - -#define OGGVORBIS_FRAME_SIZE 1024 - -struct HBWork -{ - HB_WORK_COMMON_MEMBERS - - HBHandle * handle; - HBAudio * audio; - - int inited; - vorbis_info vi; - vorbis_comment vc; - vorbis_dsp_state vd; - vorbis_block vb; - float position; - - int32_t * inputBuffer; - -}; - -/* Local prototypes */ -static int VorbisEncWork( HBWork * ); - -HBWork * HBVorbisEncInit ( HBHandle * handle, HBAudio * audio ) -{ - HBWork * w = calloc( sizeof( HBWork ), 1 ); - - w->name = strdup( "VorbisEnc" ); - w->work = VorbisEncWork; - - w->handle = handle; - w->audio = audio; - - w->inputBuffer = malloc( 2 * OGGVORBIS_FRAME_SIZE * sizeof( int32_t ) ); - - return w; -} - -void HBVorbisEncClose( HBWork ** _w ) -{ - HBWork * w = *_w; - - if( w->inited ) - { - vorbis_block_clear( &w->vb ); - vorbis_dsp_clear( &w->vd ); - vorbis_comment_clear( &w->vc ); - vorbis_info_clear( &w->vi ); - } - - free( w->name ); - free( w ); - - *_w = NULL; -} - -static HBBuffer *PacketToBuffer( ogg_packet *op ) -{ - HBBuffer *buf = HBBufferInit( sizeof( ogg_packet ) + op->bytes ); - - memcpy( buf->data, op, sizeof( ogg_packet ) ); - memcpy( buf->data + sizeof( ogg_packet ), op->packet, op->bytes ); - - return buf; -} - -static int VorbisEncWork( HBWork * w ) -{ - HBAudio * audio = w->audio; - - float **buffer; - int i; - float inputBuffer[OGGVORBIS_FRAME_SIZE * 2]; - HBBuffer * vorbisBuffer; - - if( HBFifoIsHalfFull( audio->outFifo ) ) - { - return 0; - } - - if( !w->inited ) - { - ogg_packet header[3]; - - if( !HBFifoSize( audio->resampleFifo ) ) - { - return 0; - } - - w->inited = 1; - - /* init */ - vorbis_info_init( &w->vi ); - if( vorbis_encode_setup_managed( &w->vi, 2, - audio->outSampleRate, -1, 1000 * audio->outBitrate, -1 ) || - vorbis_encode_ctl( &w->vi, OV_ECTL_RATEMANAGE_AVG, NULL ) || - vorbis_encode_setup_init( &w->vi ) ) - { - HBLog( "HBVorbisEnc: vorbis_encode_setup_managed failed" ); - return 0; - } - /* add a comment */ - vorbis_comment_init( &w->vc ); - vorbis_comment_add_tag( &w->vc, "ENCODER", "HandBrake"); - - /* set up the analysis state and auxiliary encoding storage */ - vorbis_analysis_init( &w->vd, &w->vi); - vorbis_block_init( &w->vd, &w->vb); - - - /* get the 3 headers */ - vorbis_analysis_headerout( &w->vd, &w->vc, - &header[0], &header[1], &header[2] ); - for( i = 0; i < 3; i++ ) - { - vorbisBuffer = PacketToBuffer( &header[i] ); - if( !HBFifoPush( audio->outFifo, &vorbisBuffer ) ) - { - HBLog( "HBVorbisEnc: HBFifoPush failed" ); - } - } - } - - /* Try to extract more data */ - if( vorbis_analysis_blockout( &w->vd, &w->vb ) == 1 ) - { - ogg_packet op; - - vorbis_analysis( &w->vb, NULL ); - vorbis_bitrate_addblock( &w->vb ); - - if( vorbis_bitrate_flushpacket( &w->vd, &op ) ) - { - vorbisBuffer = PacketToBuffer( &op ); - vorbisBuffer->position = w->position; - if( !HBFifoPush( audio->outFifo, &vorbisBuffer ) ) - { - HBLog( "HBVorbisEnc: HBFifoPush failed" ); - } - return 1; - } - } - - if( !HBFifoGetBytes( audio->resampleFifo, (uint8_t*) inputBuffer, - OGGVORBIS_FRAME_SIZE * 2 * sizeof( float ), - &w->position ) ) - { - return 0; - } - - buffer = vorbis_analysis_buffer( &w->vd, OGGVORBIS_FRAME_SIZE ); - for( i = 0; i < OGGVORBIS_FRAME_SIZE; i++ ) - { - buffer[0][i] = inputBuffer[2*i] / 32768.f; - buffer[1][i] = inputBuffer[2*i+1] / 32768.f; - } - vorbis_analysis_wrote( &w->vd, OGGVORBIS_FRAME_SIZE ); - - return 1; -} - |