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path: root/recordmydesktop/src/encode_sound_buffer.c
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Diffstat (limited to 'recordmydesktop/src/encode_sound_buffer.c')
-rw-r--r--recordmydesktop/src/encode_sound_buffer.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/recordmydesktop/src/encode_sound_buffer.c b/recordmydesktop/src/encode_sound_buffer.c
new file mode 100644
index 0000000..1c42ae8
--- /dev/null
+++ b/recordmydesktop/src/encode_sound_buffer.c
@@ -0,0 +1,64 @@
+#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);
+
+ if (avd>0){
+ 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))
+ ogg_stream_packetin(&((ProgData *)pdata)->enc_data->m_ogg_vs,&((ProgData *)pdata)->enc_data->m_ogg_pckt2);
+ }
+ avd-=((ProgData *)pdata)->periodtime;
+ }
+ 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);
+}
+
+
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