void ES_MPEG2Audio::Parse(STREAM_PKT* pkt)
{
int p = es_parsed;
int l;
while ((l = es_len - p) > 3)
{
if (FindHeaders(es_buf + p, l) < 0)
break;
p++;
}
es_parsed = p;
if (es_found_frame && l >= m_FrameSize)
{
bool streamChange = SetAudioInformation(m_Channels, m_SampleRate, m_BitRate, 0, 0);
pkt->pid = pid;
pkt->data = &es_buf[p];
pkt->size = m_FrameSize;
pkt->duration = 90000 * 1152 / m_SampleRate;
pkt->dts = m_DTS;
pkt->pts = m_PTS;
pkt->streamChange = streamChange;
es_consumed = p + m_FrameSize;
es_parsed = es_consumed;
es_found_frame = false;
}
}
void cParserAC3::Parse(sStreamPacket *pkt, sStreamPacket *pkt_side_data)
{
int p = m_PesParserPtr;
int l;
while ((l = m_PesBufferPtr - p) > 8)
{
if (FindHeaders(m_PesBuffer + p, l) < 0)
break;
p++;
}
m_PesParserPtr = p;
if (m_FoundFrame && l >= m_FrameSize)
{
bool streamChange = m_Stream->SetAudioInformation(m_Channels, m_SampleRate, m_BitRate, 0, 0);
pkt->id = m_pID;
pkt->data = &m_PesBuffer[p];
pkt->size = m_FrameSize;
pkt->duration = 90000 * 1536 / m_SampleRate;
pkt->dts = m_DTS;
pkt->pts = m_PTS;
pkt->streamChange = streamChange;
m_PesNextFramePtr = p + m_FrameSize;
m_PesParserPtr = 0;
m_FoundFrame = false;
}
}
void cParserMPEG2Audio::Parse(unsigned char *data, int size, bool pusi)
{
if (pusi)
{
/* Payload unit start */
m_PESStart = true;
m_firstPUSIseen = true;
}
/* Wait for first pusi */
if (!m_firstPUSIseen)
return;
if (m_PESStart)
{
int hlen = ParsePESHeader(data, size);
if (hlen <= 0)
return;
data += hlen;
size -= hlen;
m_PESStart = false;
assert(size >= 0);
if(size == 0)
return;
}
while (size > 0)
{
uint8_t *outbuf;
int outlen;
int rlen = FindHeaders(&outbuf, &outlen, data, size, m_curPTS, m_curDTS);
if (rlen < 0)
break;
m_curPTS = DVD_NOPTS_VALUE;
m_curDTS = DVD_NOPTS_VALUE;
if (outlen)
{
sStreamPacket pkt;
pkt.data = outbuf;
pkt.size = outlen;
pkt.duration = 90000 * 1152 / m_SampleRate;
pkt.dts = m_DTS;
if (pkt.dts == DVD_NOPTS_VALUE)
pkt.dts = m_NextDTS;
pkt.pts = pkt.dts;
m_NextDTS = pkt.dts + pkt.duration;
m_demuxer->SendPacket(&pkt);
}
data += rlen;
size -= rlen;
}
}