diff options
Diffstat (limited to 'rMD-exp/src/encode_sound_buffer.c')
| -rw-r--r-- | rMD-exp/src/encode_sound_buffer.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/rMD-exp/src/encode_sound_buffer.c b/rMD-exp/src/encode_sound_buffer.c new file mode 100644 index 0000000..85e277d --- /dev/null +++ b/rMD-exp/src/encode_sound_buffer.c @@ -0,0 +1,93 @@ +/********************************************************************************* +* recordMyDesktop * +********************************************************************************** +* * +* Copyright (C) 2006 John Varouhakis * +* * +* * +* 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 program 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. * +* * +* 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 * +* * +* * +* * +* For further information contact me at johnvarouhakis@gmail.com * +**********************************************************************************/ + + +#include <recordmydesktop.h> + +void *EncodeSoundBuffer(void *pdata){ + + int sampread=((ProgData *)pdata)->periodsize/(2*((ProgData *)pdata)->args.channels); + pthread_mutex_t smut; + pthread_mutex_init(&smut,NULL); + while((((ProgData *)pdata)->running)){ + float **vorbis_buffer; + int count=0,i,j; + SndBuffer *buff; + + if(Paused){ + pthread_mutex_t tmut; + pthread_mutex_init(&tmut,NULL); + pthread_cond_wait(&((ProgData *)pdata)->pause_cond,&tmut); + } + + if(((ProgData *)pdata)->sound_buffer==NULL) + pthread_cond_wait(&((ProgData *)pdata)->sound_data_read,&smut); + + pthread_mutex_lock(&((ProgData *)pdata)->sound_buffer_mutex); + buff=((ProgData *)pdata)->sound_buffer; + //advance the list + ((ProgData *)pdata)->sound_buffer=((ProgData *)pdata)->sound_buffer->next; + pthread_mutex_unlock(&((ProgData *)pdata)->sound_buffer_mutex); + + vorbis_buffer=vorbis_analysis_buffer(&((ProgData *)pdata)->enc_data->m_vo_dsp,sampread); + for(i=0;i<sampread;i++){ + for(j=0;j<((ProgData *)pdata)->args.channels;j++){ + vorbis_buffer[j][i]=((buff->data[count+1]<<8)| + (0x00ff&(int)buff->data[count]))/32768.f; + count+=2; + } + } + vorbis_analysis_wrote(&((ProgData *)pdata)->enc_data->m_vo_dsp,sampread); + + while(vorbis_analysis_blockout(&((ProgData *)pdata)->enc_data->m_vo_dsp,&((ProgData *)pdata)->enc_data->m_vo_block)==1){ + + vorbis_analysis(&((ProgData *)pdata)->enc_data->m_vo_block,NULL); + vorbis_bitrate_addblock(&((ProgData *)pdata)->enc_data->m_vo_block); + + while(vorbis_bitrate_flushpacket(&((ProgData *)pdata)->enc_data->m_vo_dsp,&((ProgData *)pdata)->enc_data->m_ogg_pckt2)){ + pthread_mutex_lock(&((ProgData *)pdata)->libogg_mutex); + ogg_stream_packetin(&((ProgData *)pdata)->enc_data->m_ogg_vs,&((ProgData *)pdata)->enc_data->m_ogg_pckt2); + pthread_mutex_unlock(&((ProgData *)pdata)->libogg_mutex); + } + } + ((ProgData *)pdata)->avd-=((ProgData *)pdata)->periodtime; + + free(buff->data); + free(buff); + } + + vorbis_analysis_wrote(&((ProgData *)pdata)->enc_data->m_vo_dsp,0); +// while(vorbis_analysis_blockout(&((ProgData *)pdata)->enc_data->m_vo_dsp,&((ProgData *)pdata)->enc_data->m_vo_block)==1){ +// vorbis_analysis(&((ProgData *)pdata)->enc_data->m_vo_block,NULL); +// vorbis_bitrate_addblock(&((ProgData *)pdata)->enc_data->m_vo_block); +// while(vorbis_bitrate_flushpacket(&((ProgData *)pdata)->enc_data->m_vo_dsp,&((ProgData *)pdata)->enc_data->m_ogg_pckt2)) +// ogg_stream_packetin(&((ProgData *)pdata)->enc_data->m_ogg_vs,&((ProgData *)pdata)->enc_data->m_ogg_pckt2); +// } + + pthread_exit(&errno); +} + + |