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audioringbuffer: Also support raw AAC

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Support raw AAC streams without the ADTS header

https://bugzilla.gnome.org/show_bug.cgi?id=777655
This commit is contained in:
Olivier Crete 2017-01-23 18:31:54 +00:00 committed by Olivier Crête
parent 4fa6a2aba1
commit c46607095e
2 changed files with 19 additions and 7 deletions
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16
gst-libs/gst/audio/gstaudioringbuffer.c
View file

@ -284,15 +284,23 @@ gst_audio_ring_buffer_parse_caps (GstAudioRingBufferSpec * spec, GstCaps * caps)
} else if (g_str_equal (mimetype, "audio/mpeg") &&
gst_structure_get_int (structure, "mpegversion", &i) &&
(i == 2 || i == 4) &&
!g_strcmp0 (gst_structure_get_string (structure, "stream-format"),
"adts")) {
(!g_strcmp0 (gst_structure_get_string (structure, "stream-format"),
"adts")
|| !g_strcmp0 (gst_structure_get_string (structure, "stream-format"),
"raw"))) {
/* MPEG-2 AAC or MPEG-4 AAC */
if (!(gst_structure_get_int (structure, "rate", &info.rate)))
goto parse_error;
gst_structure_get_int (structure, "channels", &info.channels);
spec->type = (i == 2) ? GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC :
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC;
if (!g_strcmp0 (gst_structure_get_string (structure, "stream-format"),
"adts"))
spec->type = (i == 2) ? GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC :
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC;
else
spec->type = (i == 2) ?
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC_RAW :
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC_RAW;
info.bpf = 1;
} else {
goto parse_error;

10
gst-libs/gst/audio/gstaudioringbuffer.h
View file

@ -83,8 +83,10 @@ typedef enum {
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_AC3: samples in AC3 format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_EAC3: samples in EAC3 format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_DTS: samples in DTS format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC: samples in MPEG-2 AAC format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC: samples in MPEG-4 AAC format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC: samples in MPEG-2 AAC ADTS format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC: samples in MPEG-4 AAC ADTS format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC_RAW: samples in MPEG-2 AAC raw format
* @GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC_RAW: samples in MPEG-4 AAC raw format
*
* The format of the samples in the ringbuffer.
*/
@ -101,7 +103,9 @@ typedef enum
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_EAC3,
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_DTS,
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC,
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC,
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG2_AAC_RAW,
GST_AUDIO_RING_BUFFER_FORMAT_TYPE_MPEG4_AAC_RAW
} GstAudioRingBufferFormatType;
/**