/*----------------------------------------------------------------------
| AlsaOutput_Seek
+---------------------------------------------------------------------*/
BLT_METHOD
AlsaOutput_Seek(BLT_MediaNode* _self,
BLT_SeekMode* mode,
BLT_SeekPoint* point)
{
AlsaOutput* self = ATX_SELF_EX(AlsaOutput, BLT_BaseMediaNode, BLT_MediaNode);
BLT_COMPILER_UNUSED(mode);
BLT_COMPILER_UNUSED(point);
/* ignore unless we're prepared */
if (self->state != BLT_ALSA_OUTPUT_STATE_PREPARED) {
return BLT_SUCCESS;
}
/* reset the device */
AlsaOutput_Reset(self);
/* update the media time */
if (point->mask & BLT_SEEK_POINT_MASK_TIME_STAMP) {
self->media_time = BLT_TimeStamp_ToNanos(point->time_stamp);
self->next_media_time = self->media_time;
} else {
self->media_time = 0;
self->next_media_time = 0;
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Seek
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Seek(BLT_MediaNode* _self,
BLT_SeekMode* mode,
BLT_SeekPoint* point)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
BLT_COMPILER_UNUSED(mode);
BLT_COMPILER_UNUSED(point);
/* flush the queue */
pthread_mutex_lock(&self->lock);
ATX_List_Clear(self->packet_queue);
pthread_mutex_unlock(&self->lock);
/* reset the device */
result = AudioUnitReset(self->audio_unit, kAudioUnitScope_Input, 0);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitReset failed (%d)", (int)result);
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| WaveFormatterModule_Attach
+---------------------------------------------------------------------*/
BLT_METHOD
WaveFormatterModule_Attach(BLT_Module* _self, BLT_Core* core)
{
WaveFormatterModule* self = ATX_SELF_EX(WaveFormatterModule, BLT_BaseModule, BLT_Module);
BLT_Registry* registry;
BLT_Result result;
/* get the registry */
result = BLT_Core_GetRegistry(core, ®istry);
if (BLT_FAILED(result)) return result;
/* register the .wav file extensions */
result = BLT_Registry_RegisterExtension(registry,
".wav",
"audio/wav");
if (BLT_FAILED(result)) return result;
/* register the "audio/wav" type */
result = BLT_Registry_RegisterName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"audio/wav",
&self->wav_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1("WaveFormatterModule::Attach (audio/wav type = %d)", self->wav_type_id);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| WaveFormatter_Deactivate
+---------------------------------------------------------------------*/
BLT_METHOD
WaveFormatter_Deactivate(BLT_MediaNode* _self)
{
WaveFormatter* self = ATX_SELF_EX(WaveFormatter, BLT_BaseMediaNode, BLT_MediaNode);
ATX_LOG_FINER("WaveFormatter::Deactivate");
/* update the header if needed */
if (self->output.stream) {
ATX_Position where = 0;
ATX_OutputStream_Tell(self->output.stream, &where);
self->input.size = where;
if (self->input.size >= BLT_WAVE_FORMATTER_RIFF_HEADER_SIZE) {
self->input.size -= BLT_WAVE_FORMATTER_RIFF_HEADER_SIZE;
}
/* update the header */
WaveFormatter_UpdateWavHeader(self);
/* set the stream back to its original position */
ATX_OutputStream_Seek(self->output.stream, where);
}
/* release the output stream */
ATX_RELEASE_OBJECT(self->output.stream);
/* call the base class method */
BLT_BaseMediaNode_Deactivate(_self);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| WaveParser_Seek
+---------------------------------------------------------------------*/
BLT_METHOD
WaveParser_Seek(BLT_MediaNode* _self,
BLT_SeekMode* mode,
BLT_SeekPoint* point)
{
WaveParser* self = ATX_SELF_EX(WaveParser, BLT_BaseMediaNode, BLT_MediaNode);
/* estimate the seek point */
if (ATX_BASE(self, BLT_BaseMediaNode).context == NULL) return BLT_FAILURE;
BLT_Stream_EstimateSeekPoint(ATX_BASE(self, BLT_BaseMediaNode).context, *mode, point);
if (!(point->mask & BLT_SEEK_POINT_MASK_OFFSET)) {
return BLT_FAILURE;
}
/* align the offset to the nearest sample */
point->offset -= point->offset%(self->output.block_size);
/* seek to the estimated offset */
/* seek into the input stream (ignore return value) */
ATX_InputStream_Seek(self->output.stream, point->offset);
/* set the mode so that the nodes down the chain know the seek has */
/* already been done on the stream */
*mode = BLT_SEEK_MODE_IGNORE;
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| DcfParserModule_Attach
+---------------------------------------------------------------------*/
BLT_METHOD
DcfParserModule_Attach(BLT_Module* _self, BLT_Core* core)
{
DcfParserModule* self = ATX_SELF_EX(DcfParserModule, BLT_BaseModule, BLT_Module);
BLT_Registry* registry;
BLT_Result result;
/* get the registry */
result = BLT_Core_GetRegistry(core, ®istry);
if (BLT_FAILED(result)) return result;
/* register the ".dcf" file extension */
result = BLT_Registry_RegisterExtension(registry,
".dcf",
"application/vnd.oma.drm.content");
if (BLT_FAILED(result)) return result;
/* register the ".odf" file extension */
result = BLT_Registry_RegisterExtension(registry,
".odf",
"application/vnd.oma.drm.dcf");
if (BLT_FAILED(result)) return result;
/* register the ".oda" file extension */
result = BLT_Registry_RegisterExtension(registry,
".oda",
"application/vnd.oma.drm.dcf");
if (BLT_FAILED(result)) return result;
/* register the ".odv" file extension */
result = BLT_Registry_RegisterExtension(registry,
".odv",
"application/vnd.oma.drm.dcf");
if (BLT_FAILED(result)) return result;
/* get the type id for "application/vnd.oma.drm.content" */
result = BLT_Registry_GetIdForName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"application/vnd.oma.drm.content",
&self->dcf1_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1("DCF Parser Module::Attach (application/vnd.oma.drm.content type = %d)", self->dcf1_type_id);
/* get the type id for "application/vnd.oma.drm.dcf" */
result = BLT_Registry_GetIdForName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"application/vnd.oma.drm.dcf",
&self->dcf2_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1("DCF Parser Module::Attach (application/vnd.oma.drm.dcf type = %d)", self->dcf2_type_id);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AlsaOutput_Deactivate
+---------------------------------------------------------------------*/
BLT_METHOD
AlsaOutput_Deactivate(BLT_MediaNode* _self)
{
AlsaOutput* self = ATX_SELF_EX(AlsaOutput, BLT_BaseMediaNode, BLT_MediaNode);
ATX_LOG_FINER("deactivating output");
/* close the device */
AlsaOutput_Close(self);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AlsaOutput_Stop
+---------------------------------------------------------------------*/
BLT_METHOD
AlsaOutput_Stop(BLT_MediaNode* _self)
{
AlsaOutput* self = ATX_SELF_EX(AlsaOutput, BLT_BaseMediaNode, BLT_MediaNode);
ATX_LOG_FINER("stopping output");
/* reset the device */
AlsaOutput_Reset(self);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AlsaOutput_Activate
+---------------------------------------------------------------------*/
BLT_METHOD
AlsaOutput_Activate(BLT_MediaNode* _self, BLT_Stream* stream)
{
AlsaOutput* self = ATX_SELF_EX(AlsaOutput, BLT_BaseMediaNode, BLT_MediaNode);
BLT_COMPILER_UNUSED(stream);
ATX_LOG_FINER("activating output");
/* open the device */
AlsaOutput_Open(self);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Start
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Start(BLT_MediaNode* _self)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
/* start the audio unit */
result = AudioOutputUnitStart(self->audio_unit);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitOutputStart failed (%d)", (int)result);
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AlsaOutput_GetPortByName
+---------------------------------------------------------------------*/
BLT_METHOD
AlsaOutput_GetPortByName(BLT_MediaNode* _self,
BLT_CString name,
BLT_MediaPort** port)
{
AlsaOutput* self = ATX_SELF_EX(AlsaOutput, BLT_BaseMediaNode, BLT_MediaNode);
if (ATX_StringsEqual(name, "input")) {
*port = &ATX_BASE(self, BLT_MediaPort);
return BLT_SUCCESS;
} else {
*port = NULL;
return BLT_ERROR_NO_SUCH_PORT;
}
}
/*----------------------------------------------------------------------
| DcfParser_Deactivate
+---------------------------------------------------------------------*/
BLT_METHOD
DcfParser_Deactivate(BLT_MediaNode* _self)
{
DcfParser* self = ATX_SELF_EX(DcfParser, BLT_BaseMediaNode, BLT_MediaNode);
ATX_LOG_FINER("DcfParser::Deactivate");
/* release the stream */
ATX_RELEASE_OBJECT(self->output.stream);
/* call the base class method */
BLT_BaseMediaNode_Deactivate(_self);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Resume
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Resume(BLT_MediaNode* _self)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
if (self->paused) {
ATX_LOG_FINE("resuming output");
self->paused = BLT_FALSE;
result = AudioOutputUnitStart(self->audio_unit);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitOutputStart failed (%d)", (int)result);
}
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| DcfParser_GetPortByName
+---------------------------------------------------------------------*/
BLT_METHOD
DcfParser_GetPortByName(BLT_MediaNode* _self,
BLT_CString name,
BLT_MediaPort** port)
{
DcfParser* self = ATX_SELF_EX(DcfParser, BLT_BaseMediaNode, BLT_MediaNode);
if (ATX_StringsEqual(name, "input")) {
*port = &ATX_BASE(&self->input, BLT_MediaPort);
return BLT_SUCCESS;
} else if (ATX_StringsEqual(name, "output")) {
*port = &ATX_BASE(&self->output, BLT_MediaPort);
return BLT_SUCCESS;
} else {
*port = NULL;
return BLT_ERROR_NO_SUCH_PORT;
}
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Deactivate
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Deactivate(BLT_MediaNode* _self)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
ATX_LOG_FINER("OsxAudioUnitsOutput::Deactivate");
/* un-initialize the device */
if (self->audio_unit) {
result = AudioUnitUninitialize(self->audio_unit);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitUninitialize failed (%d)", (int)result);
return BLT_FAILURE;
}
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AlsaOutput_Resume
+---------------------------------------------------------------------*/
BLT_METHOD
AlsaOutput_Resume(BLT_MediaNode* _self)
{
AlsaOutput* self = ATX_SELF_EX(AlsaOutput, BLT_BaseMediaNode, BLT_MediaNode);
ATX_LOG_FINER("resuming output");
/* pause the device */
switch (self->state) {
case BLT_ALSA_OUTPUT_STATE_PREPARED:
snd_pcm_pause(self->device_handle, 0);
break;
default:
/* ignore */
break;
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AacDecoder_Seek
+---------------------------------------------------------------------*/
BLT_METHOD
AacDecoder_Seek(BLT_MediaNode* _self,
BLT_SeekMode* mode,
BLT_SeekPoint* point)
{
AacDecoder* self = ATX_SELF_EX(AacDecoder, BLT_BaseMediaNode, BLT_MediaNode);
BLT_COMPILER_UNUSED(mode);
BLT_COMPILER_UNUSED(point);
/* clear the eos flag */
self->input.eos = BLT_FALSE;
/* remove any packets in the output list */
AacDecoderOutput_Flush(self);
/* reset the decoder */
if (self->helix_decoder) AACFlushCodec(self->helix_decoder);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AacDecoderModule_Attach
+---------------------------------------------------------------------*/
BLT_METHOD
AacDecoderModule_Attach(BLT_Module* _self, BLT_Core* core)
{
AacDecoderModule* self = ATX_SELF_EX(AacDecoderModule, BLT_BaseModule, BLT_Module);
BLT_Registry* registry;
BLT_Result result;
/* get the registry */
result = BLT_Core_GetRegistry(core, ®istry);
if (BLT_FAILED(result)) return result;
/* register the type id */
result = BLT_Registry_RegisterName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
BLT_MP4_AUDIO_ES_MIME_TYPE,
&self->mp4es_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1("AacDecoderModule::Attach (" BLT_MP4_AUDIO_ES_MIME_TYPE " = %d)", self->mp4es_type_id);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Stop
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Stop(BLT_MediaNode* _self)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
/* flush the queue */
pthread_mutex_lock(&self->lock);
ATX_List_Clear(self->packet_queue);
pthread_mutex_unlock(&self->lock);
/* stop the and reset audio unit */
result = AudioOutputUnitStop(self->audio_unit);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitOutputStop failed (%d)", (int)result);
}
result = AudioUnitReset(self->audio_unit, kAudioUnitScope_Input, 0);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitReset failed (%d)", (int)result);
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| AacDecoderModule_Probe
+---------------------------------------------------------------------*/
BLT_METHOD
AacDecoderModule_Probe(BLT_Module* _self,
BLT_Core* core,
BLT_ModuleParametersType parameters_type,
BLT_AnyConst parameters,
BLT_Cardinal* match)
{
AacDecoderModule* self = ATX_SELF_EX(AacDecoderModule, BLT_BaseModule, BLT_Module);
BLT_COMPILER_UNUSED(core);
switch (parameters_type) {
case BLT_MODULE_PARAMETERS_TYPE_MEDIA_NODE_CONSTRUCTOR:
{
BLT_MediaNodeConstructor* constructor =
(BLT_MediaNodeConstructor*)parameters;
/* the input and output protocols should be PACKET */
if ((constructor->spec.input.protocol !=
BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.input.protocol !=
BLT_MEDIA_PORT_PROTOCOL_PACKET) ||
(constructor->spec.output.protocol !=
BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.output.protocol !=
BLT_MEDIA_PORT_PROTOCOL_PACKET)) {
return BLT_FAILURE;
}
/* the input type should be BLT_MP4_ES_MIME_TYPE */
if (constructor->spec.input.media_type->id !=
self->mp4es_type_id) {
return BLT_FAILURE;
} else {
/* check the object type id */
BLT_Mp4AudioMediaType* media_type = (BLT_Mp4AudioMediaType*)constructor->spec.input.media_type;
if (media_type->base.stream_type != BLT_MP4_STREAM_TYPE_AUDIO) return BLT_FAILURE;
if (media_type->base.format_or_object_type_id != BLT_AAC_OBJECT_TYPE_ID_MPEG2_AAC_LC &&
media_type->base.format_or_object_type_id != BLT_AAC_OBJECT_TYPE_ID_MPEG4_AUDIO) {
return BLT_FAILURE;
}
if (media_type->base.format_or_object_type_id == BLT_AAC_OBJECT_TYPE_ID_MPEG4_AUDIO) {
/* check that this is AAC LC */
AacDecoderConfig decoder_config;
if (BLT_FAILED(AacDecoderConfig_Parse(media_type->decoder_info, media_type->decoder_info_length, &decoder_config))) {
return BLT_FAILURE;
}
if (decoder_config.object_type != BLT_AAC_OBJECT_TYPE_AAC_LC &&
decoder_config.object_type != BLT_AAC_OBJECT_TYPE_SBR) {
return BLT_FAILURE;
}
}
}
/* the output type should be unspecified, or audio/pcm */
if (!(constructor->spec.output.media_type->id ==
BLT_MEDIA_TYPE_ID_AUDIO_PCM) &&
!(constructor->spec.output.media_type->id ==
BLT_MEDIA_TYPE_ID_UNKNOWN)) {
return BLT_FAILURE;
}
/* compute the match level */
if (constructor->name != NULL) {
/* we're being probed by name */
if (ATX_StringsEqual(constructor->name, "AacDecoder")) {
/* our name */
*match = BLT_MODULE_PROBE_MATCH_EXACT;
} else {
/* not our name */
return BLT_FAILURE;
}
} else {
/* we're probed by protocol/type specs only */
*match = BLT_MODULE_PROBE_MATCH_MAX - 10;
}
ATX_LOG_FINE_1("AacDecoderModule::Probe - Ok [%d]", *match);
return BLT_SUCCESS;
}
break;
default:
break;
}
return BLT_FAILURE;
}
/*----------------------------------------------------------------------
| WaveFormatterModule_Probe
+---------------------------------------------------------------------*/
BLT_METHOD
WaveFormatterModule_Probe(BLT_Module* _self,
BLT_Core* core,
BLT_ModuleParametersType parameters_type,
BLT_AnyConst parameters,
BLT_Cardinal* match)
{
WaveFormatterModule* self = ATX_SELF_EX(WaveFormatterModule, BLT_BaseModule, BLT_Module);
BLT_COMPILER_UNUSED(core);
switch (parameters_type) {
case BLT_MODULE_PARAMETERS_TYPE_MEDIA_NODE_CONSTRUCTOR:
{
BLT_MediaNodeConstructor* constructor =
(BLT_MediaNodeConstructor*)parameters;
/* the input protocol should be STREAM_PUSH and the */
/* output protocol should be STREAM_PUSH */
if ((constructor->spec.input.protocol !=
BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.input.protocol !=
BLT_MEDIA_PORT_PROTOCOL_STREAM_PUSH) ||
(constructor->spec.output.protocol !=
BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.output.protocol !=
BLT_MEDIA_PORT_PROTOCOL_STREAM_PUSH)) {
return BLT_FAILURE;
}
/* the input type should be audio/pcm */
if (constructor->spec.input.media_type->id !=
BLT_MEDIA_TYPE_ID_AUDIO_PCM) {
return BLT_FAILURE;
}
/* compute the match level */
if (constructor->name != NULL) {
/* we're being probed by name */
if (ATX_StringsEqual(constructor->name, "WaveFormatter")) {
/* our name */
*match = BLT_MODULE_PROBE_MATCH_EXACT;
} else {
/* not our name */
return BLT_FAILURE;
}
} else {
/* we're probed by protocol/type specs only */
/* the output type should be audio/wav */
if (constructor->spec.output.media_type->id !=
self->wav_type_id) {
return BLT_FAILURE;
}
*match = BLT_MODULE_PROBE_MATCH_MAX - 10;
}
ATX_LOG_FINE_1("WaveFormatterModule::Probe - Ok [%d]", *match);
return BLT_SUCCESS;
}
break;
default:
break;
}
return BLT_FAILURE;
}
/*----------------------------------------------------------------------
| OsxAudioUnitsOutput_Activate
+---------------------------------------------------------------------*/
BLT_METHOD
OsxAudioUnitsOutput_Activate(BLT_MediaNode* _self, BLT_Stream* stream)
{
OsxAudioUnitsOutput* self = ATX_SELF_EX(OsxAudioUnitsOutput, BLT_BaseMediaNode, BLT_MediaNode);
ComponentResult result;
AURenderCallbackStruct callback;
BLT_COMPILER_UNUSED(stream);
ATX_LOG_FINER("start");
/* select the device */
if (self->audio_device_id) {
result = AudioUnitSetProperty(self->audio_unit,
kAudioOutputUnitProperty_CurrentDevice,
kAudioUnitScope_Global,
0,
&self->audio_device_id,
sizeof(self->audio_device_id));
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitSetProperty (kAudioOutputUnitProperty_CurrentDevice) failed (%d)", (int)result);
}
}
/* initialize the output */
if (self->audio_unit) {
result = AudioUnitInitialize(self->audio_unit);
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitInitialize failed (%d)", (int)result);
return BLT_FAILURE;
}
}
/* set some default audio format */
{
AudioStreamBasicDescription audio_desc;
ATX_SetMemory(&audio_desc, 0, sizeof(audio_desc));
/* setup the audio description */
audio_desc.mFormatID = kAudioFormatLinearPCM;
audio_desc.mFormatFlags = kAudioFormatFlagsNativeEndian | kLinearPCMFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
audio_desc.mFramesPerPacket = 1;
audio_desc.mSampleRate = 44100;
audio_desc.mChannelsPerFrame = 2;
audio_desc.mBitsPerChannel = 16;
audio_desc.mBytesPerFrame = (audio_desc.mBitsPerChannel * audio_desc.mChannelsPerFrame) / 8;
audio_desc.mBytesPerPacket = audio_desc.mBytesPerFrame * audio_desc.mFramesPerPacket;
audio_desc.mReserved = 0;
result = AudioUnitSetProperty(self->audio_unit,
kAudioUnitProperty_StreamFormat,
kAudioUnitScope_Input,
0,
&audio_desc,
sizeof(audio_desc));
if (result != noErr) {
ATX_LOG_WARNING_1("AudioUnitSetProperty failed (%d)", (int)result);
return BLT_FAILURE;
}
}
/* check for downmix based on the number of supported channels */
OsxAudioUnitsOutput_CheckDownmix(self);
/* setup the callback */
callback.inputProc = OsxAudioUnitsOutput_RenderCallback;
callback.inputProcRefCon = _self;
result = AudioUnitSetProperty(self->audio_unit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Input,
0,
&callback,
sizeof(callback));
if (result != noErr) {
ATX_LOG_SEVERE_1("AudioUnitSetProperty failed when setting callback (%d)", (int)result);
return BLT_FAILURE;
}
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| Mp4ParserModule_Attach
+---------------------------------------------------------------------*/
BLT_METHOD
Mp4ParserModule_Attach(BLT_Module* _self, BLT_Core* core)
{
Mp4ParserModule* self = ATX_SELF_EX(Mp4ParserModule, BLT_BaseModule, BLT_Module);
BLT_Registry* registry;
BLT_Result result;
/* get the registry */
result = BLT_Core_GetRegistry(core, ®istry);
if (BLT_FAILED(result)) return result;
/* register the ".mp4" file extension */
result = BLT_Registry_RegisterExtension(registry,
".mp4",
"video/mp4");
if (BLT_FAILED(result)) return result;
/* register the ".m4a" file extension */
result = BLT_Registry_RegisterExtension(registry,
".m4a",
"audio/mp4");
if (BLT_FAILED(result)) return result;
/* register the ".m4v" file extension */
result = BLT_Registry_RegisterExtension(registry,
".m4v",
"video/mp4");
if (BLT_FAILED(result)) return result;
/* register the ".m4p" file extension */
result = BLT_Registry_RegisterExtension(registry,
".m4p",
"video/mp4");
if (BLT_FAILED(result)) return result;
/* register the ".3gp" file extension */
result = BLT_Registry_RegisterExtension(registry,
".3gp",
"video/mp4");
if (BLT_FAILED(result)) return result;
/* register the ".3gp" file extension */
result = BLT_Registry_RegisterExtension(registry,
".mov",
"video/mp4");
if (BLT_FAILED(result)) return result;
/* get the type id for "audio/mp4" */
result = BLT_Registry_GetIdForName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"audio/mp4",
&self->mp4_audio_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1("audio/mp4 type = %d", self->mp4_audio_type_id);
/* get the type id for "video/mp4" */
result = BLT_Registry_GetIdForName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"video/mp4",
&self->mp4_video_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1("video/mp4 type = %d", self->mp4_video_type_id);
/* register the type id for BLT_MP4_AUDIO_ES_MIME_TYPE */
result = BLT_Registry_RegisterName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
BLT_MP4_AUDIO_ES_MIME_TYPE,
&self->mp4_audio_es_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1(BLT_MP4_AUDIO_ES_MIME_TYPE " type = %d", self->mp4_audio_es_type_id);
/* register the type id for BLT_MP4_VIDEO_ES_MIME_TYPE */
result = BLT_Registry_RegisterName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
BLT_MP4_VIDEO_ES_MIME_TYPE,
&self->mp4_video_es_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1(BLT_MP4_VIDEO_ES_MIME_TYPE " type = %d", self->mp4_video_es_type_id);
/* register the type id for BLT_ISO_BASE_AUDIO_ES_MIME_TYPE */
result = BLT_Registry_RegisterName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
BLT_ISO_BASE_AUDIO_ES_MIME_TYPE,
&self->iso_base_audio_es_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1(BLT_ISO_BASE_AUDIO_ES_MIME_TYPE " type = %d", self->iso_base_audio_es_type_id);
/* register the type id for BLT_ISO_BASE_VIDEO_ES_MIME_TYPE */
result = BLT_Registry_RegisterName(
registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
BLT_ISO_BASE_VIDEO_ES_MIME_TYPE,
&self->iso_base_video_es_type_id);
if (BLT_FAILED(result)) return result;
ATX_LOG_FINE_1(BLT_ISO_BASE_VIDEO_ES_MIME_TYPE " type = %d", self->iso_base_video_es_type_id);
/* register mime type aliases */
BLT_Registry_RegisterNameForId(registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"audio/m4a", self->mp4_audio_type_id);
BLT_Registry_RegisterNameForId(registry,
BLT_REGISTRY_NAME_CATEGORY_MEDIA_TYPE_IDS,
"video/m4v", self->mp4_video_type_id);
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| Mp4Parser_Seek
+---------------------------------------------------------------------*/
BLT_METHOD
Mp4Parser_Seek(BLT_MediaNode* _self,
BLT_SeekMode* mode,
BLT_SeekPoint* point)
{
Mp4Parser* self = ATX_SELF_EX(Mp4Parser, BLT_BaseMediaNode, BLT_MediaNode);
/* estimate the seek point */
if (ATX_BASE(self, BLT_BaseMediaNode).context == NULL) return BLT_FAILURE;
BLT_Stream_EstimateSeekPoint(ATX_BASE(self, BLT_BaseMediaNode).context, *mode, point);
if (!(point->mask & BLT_SEEK_POINT_MASK_TIME_STAMP)) {
return BLT_FAILURE;
}
/* seek to the estimated offset on all tracks */
AP4_Ordinal sample_index = 0;
AP4_UI32 ts_ms = point->time_stamp.seconds*1000+point->time_stamp.nanoseconds/1000000;
if (self->video_output.track) {
AP4_Result result = self->video_output.track->GetSampleIndexForTimeStampMs(ts_ms, sample_index);
if (AP4_FAILED(result)) {
ATX_LOG_WARNING_1("video GetSampleIndexForTimeStampMs failed (%d)", result);
return BLT_FAILURE;
}
ATX_LOG_FINE_1("seeking to video time %d ms", ts_ms);
// go to the nearest sync sample
self->video_output.sample = self->video_output.track->GetNearestSyncSampleIndex(sample_index);
if (self->input.reader) {
self->input.reader->SetSampleIndex(self->video_output.track->GetId(), self->video_output.sample);
}
ATX_LOG_FINE_1("seeking to video sync sample %d", self->video_output.sample);
// compute the timestamp of the video sample we're seeking to, so we can pick an audio
// sample that is close in time (there are many more audio sync points than video)
AP4_Sample sample;
if (AP4_SUCCEEDED(self->video_output.track->GetSample(self->video_output.sample, sample))) {
AP4_UI32 media_timescale = self->video_output.track->GetMediaTimeScale();
if (media_timescale) {
ts_ms = (AP4_UI32)((((AP4_UI64)sample.GetCts())*1000)/media_timescale);
ATX_LOG_FINE_1("sync sample time is %d ms", ts_ms);
}
} else {
ATX_LOG_FINE_1("unable to get sample info for sample %d", self->video_output.sample);
}
}
if (self->audio_output.track) {
AP4_Result result = self->audio_output.track->GetSampleIndexForTimeStampMs(ts_ms, sample_index);
if (AP4_FAILED(result)) {
ATX_LOG_WARNING_1("audio GetSampleIndexForTimeStampMs failed (%d)", result);
return BLT_FAILURE;
}
self->audio_output.sample = sample_index;
if (self->input.reader) {
self->input.reader->SetSampleIndex(self->audio_output.track->GetId(), sample_index);
}
}
/* set the mode so that the nodes down the chain know the seek has */
/* already been done on the stream */
*mode = BLT_SEEK_MODE_IGNORE;
return BLT_SUCCESS;
}
/*----------------------------------------------------------------------
| DcfParserModule_Probe
+---------------------------------------------------------------------*/
BLT_METHOD
DcfParserModule_Probe(BLT_Module* _self,
BLT_Core* core,
BLT_ModuleParametersType parameters_type,
BLT_AnyConst parameters,
BLT_Cardinal* match)
{
DcfParserModule* self = ATX_SELF_EX(DcfParserModule, BLT_BaseModule, BLT_Module);
BLT_COMPILER_UNUSED(core);
switch (parameters_type) {
case BLT_MODULE_PARAMETERS_TYPE_MEDIA_NODE_CONSTRUCTOR:
{
BLT_MediaNodeConstructor* constructor =
(BLT_MediaNodeConstructor*)parameters;
/* we need the input protocol to be STREAM_PULL and the output */
/* protocol to be STREAM_PULL */
if ((constructor->spec.input.protocol !=
BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.input.protocol !=
BLT_MEDIA_PORT_PROTOCOL_STREAM_PULL) ||
(constructor->spec.output.protocol !=
BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.output.protocol !=
BLT_MEDIA_PORT_PROTOCOL_STREAM_PULL)) {
return BLT_FAILURE;
}
/* we need the input media type to be 'application/vnd.oma.drm.content' */
/* or 'application/vnd.oma.drm.dcf' */
if (constructor->spec.input.media_type->id != self->dcf1_type_id &&
constructor->spec.input.media_type->id != self->dcf2_type_id) {
return BLT_FAILURE;
}
/* the output type should be unknown at this point */
if (constructor->spec.output.media_type->id !=
BLT_MEDIA_TYPE_ID_UNKNOWN) {
return BLT_FAILURE;
}
/* compute the match level */
if (constructor->name != NULL) {
/* we're being probed by name */
if (ATX_StringsEqual(constructor->name, "DcfParser")) {
/* our name */
*match = BLT_MODULE_PROBE_MATCH_EXACT;
} else {
/* not out name */
return BLT_FAILURE;
}
} else {
/* we're probed by protocol/type specs only */
*match = BLT_MODULE_PROBE_MATCH_MAX - 10;
}
ATX_LOG_FINE_1("DcfParserModule::Probe - Ok [%d]", *match);
return BLT_SUCCESS;
}
break;
default:
break;
}
return BLT_FAILURE;
}
/*----------------------------------------------------------------------
| Mp4ParserModule_Probe
+---------------------------------------------------------------------*/
BLT_METHOD
Mp4ParserModule_Probe(BLT_Module* _self,
BLT_Core* core,
BLT_ModuleParametersType parameters_type,
BLT_AnyConst parameters,
BLT_Cardinal* match)
{
Mp4ParserModule* self = ATX_SELF_EX(Mp4ParserModule, BLT_BaseModule, BLT_Module);
BLT_COMPILER_UNUSED(core);
switch (parameters_type) {
case BLT_MODULE_PARAMETERS_TYPE_MEDIA_NODE_CONSTRUCTOR:
{
BLT_MediaNodeConstructor* constructor = (BLT_MediaNodeConstructor*)parameters;
/* check if we're being probed by name */
if (constructor->name != NULL) {
/* we're being probed by name */
if (ATX_StringsEqual(constructor->name, "com.bluetune.parsers.mp4")) {
/* our name */
*match = BLT_MODULE_PROBE_MATCH_EXACT;
return BLT_SUCCESS;
} else {
/* not out name */
*match = 0;
return BLT_FAILURE;
}
}
/* we need the input protocol to be STREAM_PULL and the output */
/* protocol to be PACKET */
if ((constructor->spec.input.protocol != BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.input.protocol != BLT_MEDIA_PORT_PROTOCOL_STREAM_PULL) ||
(constructor->spec.output.protocol != BLT_MEDIA_PORT_PROTOCOL_ANY &&
constructor->spec.output.protocol != BLT_MEDIA_PORT_PROTOCOL_PACKET)) {
return BLT_FAILURE;
}
/* we need the input media type to be 'audio/mp4' or 'video/mp4' */
if (constructor->spec.input.media_type->id != self->mp4_audio_type_id &&
constructor->spec.input.media_type->id != self->mp4_video_type_id) {
return BLT_FAILURE;
}
/* the output type should be unknown at this point */
if (constructor->spec.output.media_type->id != BLT_MEDIA_TYPE_ID_UNKNOWN) {
return BLT_FAILURE;
}
/* set the match level */
*match = BLT_MODULE_PROBE_MATCH_MAX - 10;
ATX_LOG_FINE_1("match %d", *match);
return BLT_SUCCESS;
}
break;
default:
break;
}
return BLT_FAILURE;
}
