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atdec: First dequeue a buffer before enqueueing anything from the queue

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Required for offline rendering according to the docs. wtf.
This commit is contained in:
Sebastian Dröge 2014-03-11 14:37:49 +01:00
parent f331d3159f
commit 53ab9c6613
1 changed files with 31 additions and 1 deletions
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32
sys/applemedia/atdec.c
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@ -293,6 +293,8 @@ gst_atdec_set_format (GstAudioDecoder * decoder, GstCaps * caps)
GstAudioInfo output_info = { 0 };
AudioChannelLayout output_layout = { 0 };
GstCaps *output_caps;
AudioTimeStamp timestamp = { 0 };
AudioQueueBufferRef output_buffer;
GstATDec *atdec = GST_ATDEC (decoder);
GST_DEBUG_OBJECT (atdec, "set_format");
@ -348,6 +350,21 @@ gst_atdec_set_format (GstAudioDecoder * decoder, GstCaps * caps)
if (status)
goto start_error;
timestamp.mFlags = kAudioTimeStampSampleTimeValid;
timestamp.mSampleTime = 0;
status =
AudioQueueAllocateBuffer (atdec->queue, atdec->spf * output_info.bpf,
&output_buffer);
if (status)
goto allocate_output_error;
status = AudioQueueOfflineRender (atdec->queue, &timestamp, output_buffer, 0);
if (status)
goto offline_render_error;
AudioQueueFreeBuffer (atdec->queue, output_buffer);
return TRUE;
create_queue_error:
@ -366,6 +383,19 @@ start_error:
("AudioQueueStart returned error: %d", (gint) status));
gst_atdec_destroy_queue (atdec, FALSE);
return FALSE;
allocate_output_error:
GST_ELEMENT_ERROR (atdec, STREAM, FORMAT, (NULL),
("AudioQueueAllocateBuffer returned error: %d", (gint) status));
gst_atdec_destroy_queue (atdec, FALSE);
return FALSE;
offline_render_error:
GST_ELEMENT_ERROR (atdec, STREAM, FORMAT, (NULL),
("AudioQueueOfflineRender returned error: %d", (gint) status));
AudioQueueFreeBuffer (atdec->queue, output_buffer);
gst_atdec_destroy_queue (atdec, FALSE);
return FALSE;
}
static void
@ -421,7 +451,7 @@ gst_atdec_handle_frame (GstAudioDecoder * decoder, GstBuffer * buffer)
goto allocate_output_failed;
/* pull the frames */
timestamp.kAudioTimeStampSampleTimeValid;
timestamp.mFlags = kAudioTimeStampSampleTimeValid;
timestamp.mSampleTime = atdec->output_position;
status =
AudioQueueOfflineRender (atdec->queue, &timestamp, output_buffer,