mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 01:19:38 +00:00
113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/* GStreamer
|
|
* Copyright (C) 2016 Carlos Rafael Giani <dv@pseudoterminal.org>
|
|
*
|
|
* gstunalignedaudioparse.c:
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/audio.h>
|
|
#include "gstunalignedaudioparse.h"
|
|
#include "gstrawparseelements.h"
|
|
#include "unalignedaudio.h"
|
|
|
|
GST_DEBUG_CATEGORY (unaligned_audio_parse_debug);
|
|
#define GST_CAT_DEFAULT unaligned_audio_parse_debug
|
|
|
|
struct _GstUnalignedAudioParse
|
|
{
|
|
GstBin parent;
|
|
GstElement *inner_parser;
|
|
};
|
|
|
|
static GstStaticPadTemplate static_sink_template =
|
|
GST_STATIC_PAD_TEMPLATE ("sink",
|
|
GST_PAD_SINK,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_UNALIGNED_RAW_AUDIO_CAPS)
|
|
);
|
|
|
|
static GstStaticPadTemplate static_src_template =
|
|
GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS (GST_AUDIO_CAPS_MAKE (GST_AUDIO_FORMATS_ALL)
|
|
", layout = (string) { interleaved, non-interleaved }")
|
|
);
|
|
|
|
G_DEFINE_TYPE (GstUnalignedAudioParse, gst_unaligned_audio_parse, GST_TYPE_BIN);
|
|
GST_ELEMENT_REGISTER_DEFINE (unalignedaudioparse,
|
|
"unalignedaudioparse", GST_RANK_MARGINAL, GST_TYPE_UNALIGNED_AUDIO_PARSE);
|
|
|
|
static void
|
|
gst_unaligned_audio_parse_class_init (GstUnalignedAudioParseClass * klass)
|
|
{
|
|
GstElementClass *element_class;
|
|
|
|
GST_DEBUG_CATEGORY_INIT (unaligned_audio_parse_debug, "unalignedaudioparse",
|
|
0, "Unaligned raw audio parser");
|
|
|
|
element_class = GST_ELEMENT_CLASS (klass);
|
|
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&static_sink_template));
|
|
gst_element_class_add_pad_template (element_class,
|
|
gst_static_pad_template_get (&static_src_template));
|
|
|
|
gst_element_class_set_static_metadata (element_class,
|
|
"unalignedaudioparse",
|
|
"Codec/Parser/Bin/Audio",
|
|
"Parse unaligned raw audio data",
|
|
"Carlos Rafael Giani <dv@pseudoterminal.org>");
|
|
}
|
|
|
|
static void
|
|
gst_unaligned_audio_parse_init (GstUnalignedAudioParse * unaligned_audio_parse)
|
|
{
|
|
GstPad *inner_pad;
|
|
GstPad *ghostpad;
|
|
|
|
unaligned_audio_parse->inner_parser =
|
|
gst_element_factory_make ("rawaudioparse", "inner_parser");
|
|
g_assert (unaligned_audio_parse->inner_parser != NULL);
|
|
|
|
g_object_set (G_OBJECT (unaligned_audio_parse->inner_parser),
|
|
"use-sink-caps", TRUE, NULL);
|
|
|
|
gst_bin_add (GST_BIN (unaligned_audio_parse),
|
|
unaligned_audio_parse->inner_parser);
|
|
|
|
inner_pad =
|
|
gst_element_get_static_pad (unaligned_audio_parse->inner_parser, "sink");
|
|
ghostpad =
|
|
gst_ghost_pad_new_from_template ("sink", inner_pad,
|
|
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
|
|
(unaligned_audio_parse), "sink"));
|
|
gst_element_add_pad (GST_ELEMENT (unaligned_audio_parse), ghostpad);
|
|
gst_object_unref (GST_OBJECT (inner_pad));
|
|
|
|
inner_pad = gst_element_get_static_pad (unaligned_audio_parse->inner_parser,
|
|
"src");
|
|
ghostpad =
|
|
gst_ghost_pad_new_from_template ("src", inner_pad,
|
|
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
|
|
(unaligned_audio_parse), "src"));
|
|
gst_element_add_pad (GST_ELEMENT (unaligned_audio_parse), ghostpad);
|
|
gst_object_unref (GST_OBJECT (inner_pad));
|
|
}
|