diff options
Diffstat (limited to 'libhb/encvorbis.c')
| -rw-r--r-- | libhb/encvorbis.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/libhb/encvorbis.c b/libhb/encvorbis.c deleted file mode 100644 index 4bdb6efeb..000000000 --- a/libhb/encvorbis.c +++ /dev/null @@ -1,197 +0,0 @@ -/* $Id: encvorbis.c,v 1.6 2005/03/05 15:08:32 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 "hb.h" - -#include "vorbis/vorbisenc.h" - -#define OGGVORBIS_FRAME_SIZE 1024 - -int encvorbisInit( hb_work_object_t *, hb_job_t * ); -int encvorbisWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** ); -void encvorbisClose( hb_work_object_t * ); - -hb_work_object_t hb_encvorbis = -{ - WORK_ENCVORBIS, - "Vorbis encoder (libvorbis)", - encvorbisInit, - encvorbisWork, - encvorbisClose -}; - -struct hb_work_private_s -{ - hb_job_t * job; - - vorbis_info vi; - vorbis_comment vc; - vorbis_dsp_state vd; - vorbis_block vb; - - unsigned long input_samples; - uint8_t * buf; - uint64_t pts; - - hb_list_t * list; -}; - -int encvorbisInit( hb_work_object_t * w, hb_job_t * job ) -{ - int i; - ogg_packet header[3]; - - hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) ); - w->private_data = pv; - - pv->job = job; - - hb_log( "encvorbis: opening libvorbis" ); - - /* init */ - vorbis_info_init( &pv->vi ); - if( vorbis_encode_setup_managed( &pv->vi, 2, - job->arate, -1, 1000 * job->abitrate, -1 ) || - vorbis_encode_ctl( &pv->vi, OV_ECTL_RATEMANAGE_AVG, NULL ) || - vorbis_encode_setup_init( &pv->vi ) ) - { - hb_log( "encvorbis: vorbis_encode_setup_managed failed" ); - } - - /* add a comment */ - vorbis_comment_init( &pv->vc ); - vorbis_comment_add_tag( &pv->vc, "Encoder", "HandBrake"); - - /* set up the analysis state and auxiliary encoding storage */ - vorbis_analysis_init( &pv->vd, &pv->vi); - vorbis_block_init( &pv->vd, &pv->vb); - - /* get the 3 headers */ - vorbis_analysis_headerout( &pv->vd, &pv->vc, - &header[0], &header[1], &header[2] ); - for( i = 0; i < 3; i++ ) - { - memcpy( w->config->vorbis.headers[i], &header[i], - sizeof( ogg_packet ) ); - memcpy( w->config->vorbis.headers[i] + sizeof( ogg_packet ), - header[i].packet, header[i].bytes ); - } - - pv->input_samples = 2 * OGGVORBIS_FRAME_SIZE; - pv->buf = malloc( pv->input_samples * sizeof( float ) ); - - pv->list = hb_list_init(); - - return 0; -} - -/*********************************************************************** - * Close - *********************************************************************** - * - **********************************************************************/ -void encvorbisClose( hb_work_object_t * w ) -{ -} - -/*********************************************************************** - * Flush - *********************************************************************** - * - **********************************************************************/ -static hb_buffer_t * Flush( hb_work_object_t * w ) -{ - hb_work_private_t * pv = w->private_data; - hb_buffer_t * buf; - - if( vorbis_analysis_blockout( &pv->vd, &pv->vb ) == 1 ) - { - ogg_packet op; - - vorbis_analysis( &pv->vb, NULL ); - vorbis_bitrate_addblock( &pv->vb ); - - if( vorbis_bitrate_flushpacket( &pv->vd, &op ) ) - { - buf = hb_buffer_init( sizeof( ogg_packet ) + op.bytes ); - memcpy( buf->data, &op, sizeof( ogg_packet ) ); - memcpy( buf->data + sizeof( ogg_packet ), op.packet, - op.bytes ); - buf->key = 1; - buf->start = pv->pts; /* No exact, but who cares - the OGM - muxer doesn't use it */ - buf->stop = buf->start + - 90000 * OGGVORBIS_FRAME_SIZE + pv->job->arate; - - return buf; - } - } - - return NULL; -} - -/*********************************************************************** - * Encode - *********************************************************************** - * - **********************************************************************/ -static hb_buffer_t * Encode( hb_work_object_t * w ) -{ - hb_work_private_t * pv = w->private_data; - hb_buffer_t * buf; - float ** buffer; - int i; - - /* Try to extract more data */ - if( ( buf = Flush( w ) ) ) - { - return buf; - } - - if( hb_list_bytes( pv->list ) < pv->input_samples * sizeof( float ) ) - { - return NULL; - } - - /* Process more samples */ - hb_list_getbytes( pv->list, pv->buf, pv->input_samples * sizeof( float ), - &pv->pts, NULL ); - buffer = vorbis_analysis_buffer( &pv->vd, OGGVORBIS_FRAME_SIZE ); - for( i = 0; i < OGGVORBIS_FRAME_SIZE; i++ ) - { - buffer[0][i] = ((float *) pv->buf)[2*i] / 32768.f; - buffer[1][i] = ((float *) pv->buf)[2*i+1] / 32768.f; - } - vorbis_analysis_wrote( &pv->vd, OGGVORBIS_FRAME_SIZE ); - - /* Try to extract again */ - return Flush( w ); -} - -/*********************************************************************** - * Work - *********************************************************************** - * - **********************************************************************/ -int encvorbisWork( hb_work_object_t * w, hb_buffer_t ** buf_in, - hb_buffer_t ** buf_out ) -{ - hb_work_private_t * pv = w->private_data; - hb_buffer_t * buf; - - hb_list_add( pv->list, *buf_in ); - *buf_in = NULL; - - *buf_out = buf = Encode( w ); - - while( buf ) - { - buf->next = Encode( w ); - buf = buf->next; - } - - return HB_WORK_OK; -} |