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applemedia: atdec: 1st round of fixes

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This commit is contained in:
Alessandro Decina 2013-07-24 09:11:59 +02:00
parent 06717150bf
commit d71aaec486
2 changed files with 33 additions and 26 deletions
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57
sys/applemedia/atdec.c
View file

@ -66,17 +66,16 @@ static GstStaticPadTemplate gst_atdec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_AUDIO_CAPS_MAKE ("S16LE") ";"
GST_AUDIO_CAPS_MAKE ("F32LE")
)
GST_STATIC_CAPS (GST_AUDIO_CAPS_MAKE ("S16LE") ", layout=interleaved;"
GST_AUDIO_CAPS_MAKE ("F32LE") ", layout=interleaved")
);
static GstStaticPadTemplate gst_atdec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg, mpegversion=4, framed=true,"
"channels=[1,max]")
GST_STATIC_CAPS ("audio/mpeg, mpegversion=4, framed=true, channels=[1,max];"
"audio/mpeg, mpegversion=1, layer=3")
);
G_DEFINE_TYPE_WITH_CODE (GstATDec, gst_atdec, GST_TYPE_AUDIO_DECODER,
@ -279,12 +278,14 @@ gst_atdec_set_format (GstAudioDecoder * decoder, GstCaps * caps)
// negotiate output caps
output_caps = gst_pad_get_allowed_caps (GST_AUDIO_DECODER_SRC_PAD (atdec));
output_caps = gst_caps_fixate (output_caps);
if (!output_caps)
goto negotiation_error;
output_caps =
gst_pad_get_pad_template_caps (GST_AUDIO_DECODER_SRC_PAD (atdec));
output_caps = gst_caps_fixate (output_caps);
gst_caps_set_simple (output_caps,
"rate", G_TYPE_INT, (int) input_format.mSampleRate, NULL);
"rate", G_TYPE_INT, (int) input_format.mSampleRate,
"channels", G_TYPE_INT, input_format.mChannelsPerFrame, NULL);
// configure output_format from caps
gst_caps_to_at_format (output_caps, &output_format);
@ -320,11 +321,6 @@ gst_atdec_set_format (GstAudioDecoder * decoder, GstCaps * caps)
return TRUE;
negotiation_error:
GST_ELEMENT_ERROR (atdec, STREAM, FORMAT, (NULL),
("no compatible downstream caps"));
return FALSE;
create_queue_error:
GST_ELEMENT_ERROR (atdec, STREAM, FORMAT, (NULL),
("AudioQueueNewOutput returned error: %d", status));
@ -358,8 +354,14 @@ gst_atdec_handle_frame (GstAudioDecoder * decoder, GstBuffer * buffer)
GstMapInfo info;
GstAudioInfo *audio_info;
int size, out_frames;
GstFlowReturn flow_ret = GST_FLOW_OK;
GstATDec *atdec = GST_ATDEC (decoder);
if (buffer == NULL)
return GST_FLOW_OK;
audio_info = gst_audio_decoder_get_audio_info (decoder);
// copy the input buffer into an AudioQueueBuffer
size = gst_buffer_get_size (buffer);
AudioQueueAllocateBuffer (atdec->queue, size, &input_buffer);
@ -376,24 +378,29 @@ gst_atdec_handle_frame (GstAudioDecoder * decoder, GstBuffer * buffer)
AudioQueueEnqueueBuffer (atdec->queue, input_buffer, 1, &packet);
// figure out how many frames we need to pull out of the queue
audio_info = gst_audio_decoder_get_audio_info (decoder);
out_frames =
GST_CLOCK_TIME_TO_FRAMES (GST_BUFFER_DURATION (buffer), audio_info->rate);
out_frames = GST_CLOCK_TIME_TO_FRAMES (GST_BUFFER_DURATION (buffer),
audio_info->rate);
size = out_frames * audio_info->bpf;
AudioQueueAllocateBuffer (atdec->queue, size, &output_buffer);
// pull the frames
AudioQueueOfflineRender (atdec->queue, &timestamp, output_buffer, out_frames);
out =
gst_audio_decoder_allocate_output_buffer (decoder,
output_buffer->mAudioDataByteSize);
gst_buffer_map (out, &info, GST_MAP_WRITE);
memcpy (info.data, output_buffer->mAudioData,
output_buffer->mAudioDataByteSize);
gst_buffer_unmap (out, &info);
if (output_buffer->mAudioDataByteSize) {
out =
gst_audio_decoder_allocate_output_buffer (decoder,
output_buffer->mAudioDataByteSize);
gst_buffer_map (out, &info, GST_MAP_WRITE);
memcpy (info.data, output_buffer->mAudioData,
output_buffer->mAudioDataByteSize);
gst_buffer_unmap (out, &info);
flow_ret = gst_audio_decoder_finish_frame (decoder, out, 1);
}
AudioQueueFreeBuffer (atdec->queue, output_buffer);
return gst_audio_decoder_finish_frame (decoder, out, 1);
return flow_ret;
}
static void

2
sys/applemedia/atdec.h
View file

@ -1,5 +1,5 @@
/* GStreamer
* Copyright (C) 2013 FIXME <alessandro.d@gmail.com>
* Copyright (C) 2013 Alessandro Decina <alessandro.d@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public