JNIEXPORT jint JNICALL
Java_com_sun_media_sound_MixerSourceLine_nSetSampleRate(JNIEnv* e, jobject thisObj, jlong id, jint rate)
{
TRACE1("Java_com_sun_media_sound_MixerSourceLine_nSetSampleRate %lx.\n", id);
VTRACE1("-> stream id: %lx\n", (STREAM_REFERENCE) (INT_PTR) id);
// $$kk: 04.06.99: steve hales says i should be using the UNSIGNED_LONG macros here.
GM_AudioStreamSetRate((STREAM_REFERENCE) (INT_PTR) id, UNSIGNED_LONG_TO_XFIXED(rate));
TRACE1("Java_com_sun_media_sound_MixerSourceLine_nSetSampleRate %lx completed.\n", id);
// $$kk: 04.06.99: steve hales says i should be using the UNSIGNED_LONG macros here.
return (jint)XFIXED_TO_UNSIGNED_LONG(GM_AudioStreamGetRate((STREAM_REFERENCE) (INT_PTR) id));
}
XMPEGDecodedData * XOpenMPEGStreamFromMemory(XPTR pBlock, unsigned long blockSize, OPErr *pErr)
{
XMPEGDecodedData *pStream;
if (!pBlock || !blockSize || !pErr)
{
BAE_ASSERT(FALSE);
return NULL;
}
#if WRITE_FILE
PV_SetupWriteFile();
#endif
pStream = (XMPEGDecodedData *)XNewPtr(sizeof(XMPEGDecodedData));
if (pStream)
{
pStream->stream = MPG_NewStreamFromMemory(pBlock, blockSize);
if (pStream->stream)
{
pStream->sampleRate = UNSIGNED_LONG_TO_XFIXED(MPG_GetSampleRate(pStream->stream));
pStream->bitSize = (XBYTE)MPG_GetBitSize(pStream->stream);
pStream->channels = (XBYTE)MPG_GetChannels(pStream->stream);
pStream->bitrate = MPG_GetBitrate(pStream->stream);
pStream->lengthInBytes = MPG_GetSizeInBytes(pStream->stream);
pStream->lengthInSamples = MPG_GetNumberOfSamples(pStream->stream);
pStream->frameBufferSize = (unsigned long)MPG_GetBufferSize(pStream->stream);
pStream->maxFrameBuffers = (unsigned long)MPG_GetMaxBuffers(pStream->stream);
*pErr = NO_ERR;
}
else
{
BAE_ASSERT(FALSE);
XDisposePtr((XPTR)pStream);
pStream = NULL;
*pErr = BAD_FILE;
}
}
else
{
BAE_ASSERT(FALSE);
*pErr = MEMORY_ERR;
}
return pStream;
}
