diff options
Diffstat (limited to 'branches/1.0/tinyDAV/src/audio/coreaudio/tdav_producer_coreaudio.c')
| -rw-r--r-- | branches/1.0/tinyDAV/src/audio/coreaudio/tdav_producer_coreaudio.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/branches/1.0/tinyDAV/src/audio/coreaudio/tdav_producer_coreaudio.c b/branches/1.0/tinyDAV/src/audio/coreaudio/tdav_producer_coreaudio.c deleted file mode 100644 index e0cc3e8..0000000 --- a/branches/1.0/tinyDAV/src/audio/coreaudio/tdav_producer_coreaudio.c +++ /dev/null @@ -1,229 +0,0 @@ -/**@file tdav_producer_coreaudio.c
- * @brief Audio Producer for MacOSX and iOS platforms.
- *
- * @authors
- * - Laurent Etiemble <laurent.etiemble(at)gmail.com>
- * - Mamadou Diop <diopmamadou(at)doubango(dot)org>
- *
- * @date Created: Sat Nov 8 16:54:58 2009 letiemble
- */
-#include "tinydav/audio/coreaudio/tdav_producer_coreaudio.h"
-
-
-// http://developer.apple.com/library/mac/#documentation/MusicAudio/Reference/AudioQueueReference/Reference/reference.html
-
-#if HAVE_COREAUDIO
-
-#include "tsk_thread.h"
-#include "tsk_memory.h"
-#include "tsk_debug.h"
-
-void __handle_input_buffer (void *userdata, AudioQueueRef queue, AudioQueueBufferRef buffer, const AudioTimeStamp *start_time, UInt32 number_packet_descriptions, const AudioStreamPacketDescription *packet_descriptions ) {
- OSStatus ret;
- tdav_producer_coreaudio_t* producer = (tdav_producer_coreaudio_t*)userdata;
-
- if (!producer->started) {
- return;
- }
-
- // Alert the session that there is new data to send
- if(TMEDIA_PRODUCER(producer)->enc_cb.callback) {
- TMEDIA_PRODUCER(producer)->enc_cb.callback(TMEDIA_PRODUCER(producer)->enc_cb.callback_data, buffer->mAudioData, buffer->mAudioDataByteSize);
- }
-
- // Re-enqueue the buffer
- ret = AudioQueueEnqueueBuffer(producer->queue, buffer, 0, NULL);
-}
-
-/* ============ Media Producer Interface ================= */
-#define tdav_producer_coreaudio_set tsk_null
-
-int tdav_producer_coreaudio_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec)
-{
- OSStatus ret;
- tsk_size_t i;
- tdav_producer_coreaudio_t* producer = (tdav_producer_coreaudio_t*)self;
-
- if(!producer || !codec && codec->plugin){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- TDAV_PRODUCER_AUDIO(producer)->channels = codec->plugin->audio.channels;
- TDAV_PRODUCER_AUDIO(producer)->rate = codec->plugin->rate;
- /* codec should have ptime */
-
-
- // Set audio category
- UInt32 category = kAudioSessionCategory_PlayAndRecord;
- AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(category), &category);
-
- // Create the audio stream description
- AudioStreamBasicDescription *description = &(producer->description);
- description->mSampleRate = TDAV_PRODUCER_AUDIO(producer)->rate;
- description->mFormatID = kAudioFormatLinearPCM;
- description->mFormatFlags = kAudioFormatFlagIsSignedInteger | kAudioFormatFlagIsPacked;
- description->mChannelsPerFrame = TDAV_PRODUCER_AUDIO(producer)->channels;
- description->mFramesPerPacket = 1;
- description->mBitsPerChannel = TDAV_PRODUCER_AUDIO(producer)->bits_per_sample;
- description->mBytesPerPacket = description->mBitsPerChannel / 8 * description->mChannelsPerFrame;
- description->mBytesPerFrame = description->mBytesPerPacket;
- description->mReserved = 0;
-
- int packetperbuffer = 1000 / TDAV_PRODUCER_AUDIO(producer)->ptime;
- producer->buffer_size = description->mSampleRate * description->mBytesPerFrame / packetperbuffer;
-
- // Create the record audio queue
- ret = AudioQueueNewInput(&(producer->description),
- __handle_input_buffer,
- producer,
- NULL,
- kCFRunLoopCommonModes,
- 0,
- &(producer->queue));
-
- for(i = 0; i < CoreAudioRecordBuffers; i++) {
- // Create the buffer for the queue
- ret = AudioQueueAllocateBuffer(producer->queue, producer->buffer_size, &(producer->buffers[i]));
- if (ret) {
- break;
- }
-
- // Clear the data
- memset(producer->buffers[i]->mAudioData, 0, producer->buffer_size);
- producer->buffers[i]->mAudioDataByteSize = producer->buffer_size;
-
- // Enqueue the buffer
- ret = AudioQueueEnqueueBuffer(producer->queue, producer->buffers[i], 0, NULL);
- if (ret) {
- break;
- }
- }
-
- return 0;
-}
-
-int tdav_producer_coreaudio_start(tmedia_producer_t* self)
-{
- OSStatus ret;
- tdav_producer_coreaudio_t* producer = (tdav_producer_coreaudio_t*)self;
-
- if(!producer){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- if(producer->started){
- TSK_DEBUG_WARN("Producer already started");
- return 0;
- }
-
- producer->started = tsk_true;
- ret = AudioQueueStart(producer->queue, NULL);
-
- return ret;
-}
-
-int tdav_producer_coreaudio_pause(tmedia_producer_t* self)
-{
- OSStatus ret;
- tdav_producer_coreaudio_t* producer = (tdav_producer_coreaudio_t*)self;
-
- if(!producer){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- ret = AudioQueuePause(producer->queue);
-
- return ret;
-}
-
-int tdav_producer_coreaudio_stop(tmedia_producer_t* self)
-{
- OSStatus ret;
- tdav_producer_coreaudio_t* producer = (tdav_producer_coreaudio_t*)self;
-
- if(!self){
- TSK_DEBUG_ERROR("Invalid parameter");
- return -1;
- }
-
- if(!producer->started){
- TSK_DEBUG_WARN("Producer not started");
- return 0;
- }
-
- producer->started = tsk_false;
- ret = AudioQueueStop(producer->queue, false);
-
- return ret;
-}
-
-
-//
-// CoreAudio producer object definition
-//
-/* constructor */
-static tsk_object_t* tdav_producer_coreaudio_ctor(tsk_object_t * self, va_list * app)
-{
- tdav_producer_coreaudio_t *producer = self;
- if(producer){
- /* init base */
- tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(producer));
- /* init self */
- // TODO
- }
- return self;
-}
-/* destructor */
-static tsk_object_t* tdav_producer_coreaudio_dtor(tsk_object_t * self)
-{
- tdav_producer_coreaudio_t *producer = self;
- if(producer){
- // Stop the producer if not done
- if(producer->started){
- tdav_producer_coreaudio_stop(self);
- }
-
- // Free all buffers and dispose the queue
- if (producer->queue) {
- tsk_size_t i;
-
- for(i=0; i<CoreAudioRecordBuffers; i++){
- AudioQueueFreeBuffer(producer->queue, producer->buffers[i]);
- }
- AudioQueueDispose(producer->queue, true);
- }
-
- /* deinit base */
- tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(producer));
- }
-
- return self;
-}
-/* object definition */
-static const tsk_object_def_t tdav_producer_coreaudio_def_s =
-{
- sizeof(tdav_producer_coreaudio_t),
- tdav_producer_coreaudio_ctor,
- tdav_producer_coreaudio_dtor,
- tdav_producer_audio_cmp,
-};
-/* plugin definition*/
-static const tmedia_producer_plugin_def_t tdav_producer_coreaudio_plugin_def_s =
-{
- &tdav_producer_coreaudio_def_s,
-
- tmedia_audio,
- "Apple CoreAudio producer",
-
- tdav_producer_coreaudio_set,
- tdav_producer_coreaudio_prepare,
- tdav_producer_coreaudio_start,
- tdav_producer_coreaudio_pause,
- tdav_producer_coreaudio_stop
-};
-const tmedia_producer_plugin_def_t *tdav_producer_coreaudio_plugin_def_t = &tdav_producer_coreaudio_plugin_def_s;
-
-#endif /* HAVE_COREAUDIO */
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