static gboolean
acmmp3dec_sink_event (GstPad * pad, GstEvent * event)
{
ACMMP3Dec *dec = (ACMMP3Dec *) GST_PAD_PARENT (pad);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
acmmp3dec_finish_stream (dec);
break;
case GST_EVENT_FLUSH_STOP:
if (dec->stream)
acmStreamReset (dec->stream, 0);
dec->timestamp = GST_CLOCK_TIME_NONE;
break;
default:
break;
}
return gst_pad_push_event (dec->srcpad, event);
}
DWORD CPlayer::WavPlayerThread()
{
BOOL fFlush = FALSE;
if (m_pwfxSrc->wFormatTag == WAVE_FORMAT_PCM) {
// PCM
DWORD cbInBuf, cbRead;
while (TRUE) {
// 停止フラグのチェック
if (m_fStop)
return RET_STOP;
if (!m_pOutHdr)
m_pOutHdr = m_Output.GetBuffer();
{
// Critical Sectionのセット
CAutoLock lock(&m_csecThread);
if (m_fSeek) {
if (m_Status == MAP_STATUS_PLAY)
m_fPlay = TRUE;
m_Reverb.Reset();
m_Echo.Reset();
m_BassBoost.Reset();
m_3DChorus.Reset();
m_Output.Reset();
m_fSeek = FALSE;
m_pOutHdr = NULL;
continue;
}
// 読み込み
cbRead = min(m_dwDataSize - m_dwCurrentSize, m_cbOutBuf);
if (!m_Reader.Read((LPBYTE)m_pOutHdr->lpData, cbRead, &cbInBuf) || !cbInBuf) {
if (GetLastError() != ERROR_SUCCESS)
return RET_ERROR;
fFlush = TRUE;
}
Preamp((LPBYTE)m_pOutHdr->lpData, cbInBuf);
m_dwCurrentSize += cbInBuf;
}
if (fFlush)
return RET_EOF;
OutputBuffer(m_pOutHdr, cbInBuf);
m_cbOutBufLeft = 0;
m_pOutHdr = NULL;
if (m_dwCurrentSize >= m_dwDataSize)
return RET_EOF;
if (m_fSuppress)
return RET_EOF;
}
}
else {
// PCM 以外
// デコード開始
BYTE bRead[WAV_FILE_BUFF_LEN];
DWORD cbInBuf, cbRead;
while (TRUE) {
// 停止フラグのチェック
if (m_fStop)
return RET_STOP;
// 出力バッファの確保
if (m_pOutHdr) {
OutputBuffer(m_pOutHdr, m_cbOutBuf - m_cbOutBufLeft);
m_cbOutBufLeft = 0;
m_pOutHdr = NULL;
}
if (m_fSuppress)
return RET_EOF;
m_pOutHdr = m_Output.GetBuffer();
m_cbOutBufLeft = m_cbOutBuf;
{
// Critical Sectionのセット
CAutoLock lock(&m_csecThread);
if (m_fSeek) {
if (m_Status == MAP_STATUS_PLAY)
m_fPlay = TRUE;
m_Reverb.Reset();
m_Echo.Reset();
m_BassBoost.Reset();
m_Output.Reset();
m_fSeek = FALSE;
m_pOutHdr = NULL;
acmStreamReset(m_hAcm, 0);
continue;
}
acmStreamSize(m_hAcm, m_cbOutBufLeft, &cbRead,
ACM_STREAMSIZEF_DESTINATION);
// 読み込み
cbRead = min(m_dwDataSize - m_dwCurrentSize, cbRead);
cbRead = min(WAV_FILE_BUFF_LEN, cbRead);
if (!m_Reader.Read(bRead, cbRead, &cbInBuf) || !cbInBuf) {
if (GetLastError() != ERROR_SUCCESS)
return RET_ERROR;
fFlush = TRUE;
}
m_dwCurrentSize += cbInBuf;
}
if (fFlush)
return RET_EOF;
// ヘッダの確保
ACMSTREAMHEADER ash;
memset(&ash, 0, sizeof(ash));
ash.cbStruct = sizeof(ash); //構造体のサイズ
ash.pbSrc = bRead;
ash.cbSrcLength = cbInBuf;
ash.pbDst = (LPBYTE)m_pOutHdr->lpData + (m_cbOutBuf - m_cbOutBufLeft);
ash.cbDstLength = m_cbOutBufLeft;
if (acmStreamPrepareHeader(m_hAcm, &ash, 0))
break;
// 変換
if (acmStreamConvert(m_hAcm, &ash, 0))
break;
Preamp((LPBYTE)m_pOutHdr->lpData + (m_cbOutBuf - m_cbOutBufLeft), ash.cbDstLengthUsed);
m_cbOutBufLeft -= ash.cbDstLengthUsed;
// 後処理
if (acmStreamUnprepareHeader(m_hAcm, &ash, 0))
break;
if (m_dwCurrentSize >= m_dwDataSize)
return RET_EOF;
}
return RET_ERROR;
}
}
