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clean up

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badaix 2015-07-10 09:39:12 +02:00
parent 1d22986619
commit aba04a0675
10 changed files with 202 additions and 221 deletions
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79
server/oggEncoder.cpp
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@ -24,10 +24,9 @@
using namespace std;
OggEncoder::OggEncoder(const msg::SampleFormat& format) : Encoder(format), eos(0)
OggEncoder::OggEncoder(const msg::SampleFormat& format) : Encoder(format), lastGranulepos(0), eos(0)
{
init();
lastGranulepos = -1;
}
@ -35,21 +34,14 @@ OggEncoder::OggEncoder(const msg::SampleFormat& format) : Encoder(format), eos(0
double OggEncoder::encode(msg::PcmChunk* chunk)
{
double res = 0;
//logD << "-> pcm: " << wireChunk->length << endl;
logO << "payload: " << chunk->payloadSize << "\tframes: " << chunk->getFrameCount() << "\tduration: " << chunk->duration<chronos::msec>().count() << "\n";
int bytes = chunk->payloadSize / 4;
float **buffer=vorbis_analysis_buffer(&vd, bytes);
/* uninterleave samples */
for(int i=0; i<bytes; i++)
for (int i=0; i<bytes; i++)
{
int idx = 4*i;
/* int8_t high = chunk->payload[idx+1];
int8_t low = chunk->payload[idx];
buffer[0][i]=((high << 8) | (0x00ff&low))/32768.f;
high = chunk->payload[idx+3];
low = chunk->payload[idx+2];
buffer[1][i]=((high << 8) | (0x00ff&low))/32768.f;
*/
int idx = 4*i;
buffer[0][i]=((((int8_t)chunk->payload[idx+1]) << 8) | (0x00ff&((int8_t)chunk->payload[idx])))/32768.f;
buffer[1][i]=((((int8_t)chunk->payload[idx+3]) << 8) | (0x00ff&((int8_t)chunk->payload[idx+2])))/32768.f;
}
@ -61,27 +53,27 @@ double OggEncoder::encode(msg::PcmChunk* chunk)
more involved (potentially parallel) processing. Get a single
block for encoding now */
size_t pos = 0;
while(vorbis_analysis_blockout(&vd,&vb)==1)
while (vorbis_analysis_blockout(&vd,&vb)==1)
{
/* analysis, assume we want to use bitrate management */
vorbis_analysis(&vb,NULL);
vorbis_bitrate_addblock(&vb);
while(vorbis_bitrate_flushpacket(&vd,&op))
while (vorbis_bitrate_flushpacket(&vd,&op))
{
/* weld the packet into the bitstream */
ogg_stream_packetin(&os,&op);
ogg_stream_packetin(&os, &op);
/* write out pages (if any) */
while(true)
while (true)
{
// int result = ogg_stream_pageout(&os,&og);
int result = ogg_stream_flush(&os,&og);
int result = ogg_stream_flush(&os, &og);
if (result == 0)
break;
res = true;
res = os.granulepos - lastGranulepos;
size_t nextLen = pos + og.header_len + og.body_len;
// make chunk larger
if (chunk->payloadSize < nextLen)
chunk->payload = (char*)realloc(chunk->payload, nextLen);
@ -91,21 +83,21 @@ double OggEncoder::encode(msg::PcmChunk* chunk)
pos += og.body_len;
if (ogg_page_eos(&og))
break;
break;
}
}
}
if (res)
if (res > 0)
{
if (lastGranulepos == -1)
res = os.granulepos;
else
res = os.granulepos - lastGranulepos;
res /= (sampleFormat.rate / 1000.);
res /= (sampleFormat_.rate / 1000.);
logO << "res: " << res << "\n";
lastGranulepos = os.granulepos;
// make chunk smaller
chunk->payload = (char*)realloc(chunk->payload, pos);
chunk->payloadSize = pos;
}
return res;
}
@ -144,17 +136,19 @@ void OggEncoder::init()
*********************************************************************/
ret=vorbis_encode_init_vbr(&vi, sampleFormat.channels, sampleFormat.rate, 1.0);
ret = vorbis_encode_init_vbr(&vi, sampleFormat_.channels, sampleFormat_.rate, 1.0);
/* do not continue if setup failed; this can happen if we ask for a
mode that libVorbis does not support (eg, too low a bitrate, etc,
will return 'OV_EIMPL') */
if(ret)exit(1);
if (ret)
exit(1);
/* add a comment */
vorbis_comment_init(&vc);
vorbis_comment_add_tag(&vc,"ENCODER","snapstream");
vorbis_comment_add_tag(&vc, "TITLE", "SnapStream");
vorbis_comment_add_tag(&vc, "VERSION", VERSION);
/* set up the analysis state and auxiliary encoding storage */
vorbis_analysis_init(&vd,&vi);
@ -173,11 +167,11 @@ void OggEncoder::init()
make the headers, then pass them to libvorbis one at a time;
libvorbis handles the additional Ogg bitstream constraints */
ogg_packet header;
ogg_packet header_comm;
ogg_packet header_code;
vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
ogg_packet header;
ogg_packet header_comm;
ogg_packet header_code;
vorbis_analysis_headerout(&vd,&vc,&header,&header_comm,&header_code);
ogg_stream_packetin(&os,&header);
ogg_stream_packetin(&os,&header_comm);
ogg_stream_packetin(&os,&header_code);
@ -185,28 +179,21 @@ void OggEncoder::init()
/* This ensures the actual
* audio data will start on a new page, as per spec
*/
// while(!eos){
size_t pos(0);
headerChunk = new msg::Header("ogg");
headerChunk_ = new msg::Header("ogg");
while (true)
{
int result=ogg_stream_flush(&os,&og);
if (result == 0)
break;
headerChunk->payloadSize += og.header_len + og.body_len;
headerChunk->payload = (char*)realloc(headerChunk->payload, headerChunk->payloadSize);
headerChunk_->payloadSize += og.header_len + og.body_len;
headerChunk_->payload = (char*)realloc(headerChunk_->payload, headerChunk_->payloadSize);
logD << "HeadLen: " << og.header_len << ", bodyLen: " << og.body_len << ", result: " << result << "\n";
memcpy(headerChunk->payload + pos, og.header, og.header_len);
memcpy(headerChunk_->payload + pos, og.header, og.header_len);
pos += og.header_len;
memcpy(headerChunk->payload + pos, og.body, og.body_len);
memcpy(headerChunk_->payload + pos, og.body, og.body_len);
pos += og.body_len;
}
// fwrite(og.header,1,og.header_len,stdout);
// fwrite(og.body,1,og.body_len,stdout);
// }
}