static GstFlowReturn
vorbis_handle_type_packet (GstVorbisDec * vd)
{
GList *walk;
gint res;
g_assert (vd->initialized == FALSE);
#ifdef USE_TREMOLO
if (G_UNLIKELY ((res = vorbis_dsp_init (&vd->vd, &vd->vi))))
goto synthesis_init_error;
#else
if (G_UNLIKELY ((res = vorbis_synthesis_init (&vd->vd, &vd->vi))))
goto synthesis_init_error;
if (G_UNLIKELY ((res = vorbis_block_init (&vd->vd, &vd->vb))))
goto block_init_error;
#endif
vd->initialized = TRUE;
if (vd->pendingevents) {
for (walk = vd->pendingevents; walk; walk = g_list_next (walk))
gst_pad_push_event (vd->srcpad, GST_EVENT_CAST (walk->data));
g_list_free (vd->pendingevents);
vd->pendingevents = NULL;
}
if (vd->taglist) {
/* The tags have already been sent on the bus as messages. */
gst_pad_push_event (vd->srcpad, gst_event_new_tag (vd->taglist));
vd->taglist = NULL;
}
return GST_FLOW_OK;
/* ERRORS */
synthesis_init_error:
{
GST_ELEMENT_ERROR (GST_ELEMENT (vd), STREAM, DECODE,
(NULL), ("couldn't initialize synthesis (%d)", res));
return GST_FLOW_ERROR;
}
block_init_error:
{
GST_ELEMENT_ERROR (GST_ELEMENT (vd), STREAM, DECODE,
(NULL), ("couldn't initialize block (%d)", res));
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
vorbis_handle_type_packet (GstVorbisDec * vd)
{
gint res;
g_assert (vd->initialized == FALSE);
#ifdef USE_TREMOLO
if (G_UNLIKELY ((res = vorbis_dsp_init (&vd->vd, &vd->vi))))
goto synthesis_init_error;
#else
if (G_UNLIKELY ((res = vorbis_synthesis_init (&vd->vd, &vd->vi))))
goto synthesis_init_error;
if (G_UNLIKELY ((res = vorbis_block_init (&vd->vd, &vd->vb))))
goto block_init_error;
#endif
vd->initialized = TRUE;
return GST_FLOW_OK;
/* ERRORS */
synthesis_init_error:
{
GST_ELEMENT_ERROR (GST_ELEMENT (vd), STREAM, DECODE,
(NULL), ("couldn't initialize synthesis (%d)", res));
return GST_FLOW_ERROR;
}
block_init_error:
{
GST_ELEMENT_ERROR (GST_ELEMENT (vd), STREAM, DECODE,
(NULL), ("couldn't initialize block (%d)", res));
return GST_FLOW_ERROR;
}
}
void SoftVorbis::onQueueFilled(OMX_U32 portIndex) {
List<BufferInfo *> &inQueue = getPortQueue(0);
List<BufferInfo *> &outQueue = getPortQueue(1);
if (mOutputPortSettingsChange != NONE) {
return;
}
if (portIndex == 0 && mInputBufferCount < 2) {
BufferInfo *info = *inQueue.begin();
OMX_BUFFERHEADERTYPE *header = info->mHeader;
const uint8_t *data = header->pBuffer + header->nOffset;
size_t size = header->nFilledLen;
ogg_buffer buf;
ogg_reference ref;
oggpack_buffer bits;
makeBitReader(
(const uint8_t *)data + 7, size - 7,
&buf, &ref, &bits);
if (mInputBufferCount == 0) {
CHECK(mVi == NULL);
mVi = new vorbis_info;
vorbis_info_init(mVi);
CHECK_EQ(0, _vorbis_unpack_info(mVi, &bits));
} else {
CHECK_EQ(0, _vorbis_unpack_books(mVi, &bits));
CHECK(mState == NULL);
mState = new vorbis_dsp_state;
CHECK_EQ(0, vorbis_dsp_init(mState, mVi));
notify(OMX_EventPortSettingsChanged, 1, 0, NULL);
mOutputPortSettingsChange = AWAITING_DISABLED;
}
inQueue.erase(inQueue.begin());
info->mOwnedByUs = false;
notifyEmptyBufferDone(header);
++mInputBufferCount;
return;
}
while (!inQueue.empty() && !outQueue.empty()) {
BufferInfo *inInfo = *inQueue.begin();
OMX_BUFFERHEADERTYPE *inHeader = inInfo->mHeader;
BufferInfo *outInfo = *outQueue.begin();
OMX_BUFFERHEADERTYPE *outHeader = outInfo->mHeader;
if (inHeader->nFlags & OMX_BUFFERFLAG_EOS) {
inQueue.erase(inQueue.begin());
inInfo->mOwnedByUs = false;
notifyEmptyBufferDone(inHeader);
outHeader->nFilledLen = 0;
outHeader->nFlags = OMX_BUFFERFLAG_EOS;
outQueue.erase(outQueue.begin());
outInfo->mOwnedByUs = false;
notifyFillBufferDone(outHeader);
return;
}
int32_t numPageSamples;
CHECK_GE(inHeader->nFilledLen, sizeof(numPageSamples));
memcpy(&numPageSamples,
inHeader->pBuffer
+ inHeader->nOffset + inHeader->nFilledLen - 4,
sizeof(numPageSamples));
if (numPageSamples >= 0) {
mNumFramesLeftOnPage = numPageSamples;
}
if (inHeader->nOffset == 0) {
mAnchorTimeUs = inHeader->nTimeStamp;
mNumFramesOutput = 0;
}
inHeader->nFilledLen -= sizeof(numPageSamples);;
ogg_buffer buf;
buf.data = inHeader->pBuffer + inHeader->nOffset;
buf.size = inHeader->nFilledLen;
buf.refcount = 1;
buf.ptr.owner = NULL;
ogg_reference ref;
ref.buffer = &buf;
ref.begin = 0;
ref.length = buf.size;
ref.next = NULL;
ogg_packet pack;
pack.packet = &ref;
pack.bytes = ref.length;
pack.b_o_s = 0;
pack.e_o_s = 0;
pack.granulepos = 0;
pack.packetno = 0;
int numFrames = 0;
int err = vorbis_dsp_synthesis(mState, &pack, 1);
if (err != 0) {
ALOGW("vorbis_dsp_synthesis returned %d", err);
} else {
numFrames = vorbis_dsp_pcmout(
mState, (int16_t *)outHeader->pBuffer,
kMaxNumSamplesPerBuffer);
if (numFrames < 0) {
ALOGE("vorbis_dsp_pcmout returned %d", numFrames);
numFrames = 0;
}
}
if (mNumFramesLeftOnPage >= 0) {
if (numFrames > mNumFramesLeftOnPage) {
ALOGV("discarding %d frames at end of page",
numFrames - mNumFramesLeftOnPage);
numFrames = mNumFramesLeftOnPage;
}
mNumFramesLeftOnPage -= numFrames;
}
outHeader->nFilledLen = numFrames * sizeof(int16_t) * mVi->channels;
outHeader->nOffset = 0;
outHeader->nFlags = 0;
outHeader->nTimeStamp =
mAnchorTimeUs
+ (mNumFramesOutput * 1000000ll) / mVi->rate;
mNumFramesOutput += numFrames;
inInfo->mOwnedByUs = false;
inQueue.erase(inQueue.begin());
inInfo = NULL;
notifyEmptyBufferDone(inHeader);
inHeader = NULL;
outInfo->mOwnedByUs = false;
outQueue.erase(outQueue.begin());
outInfo = NULL;
notifyFillBufferDone(outHeader);
outHeader = NULL;
++mInputBufferCount;
}
}
