mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-18 04:18:20 +00:00
f6aa2f29bc
Initial draft implementation for a OpenSL ES based plugin for Android that provides audio src and sink.
129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* Alternatively, the contents of this file may be used under the
|
|
* GNU Lesser General Public License Version 2.1 (the "LGPL"), in
|
|
* which case the following provisions apply instead of the ones
|
|
* mentioned above:
|
|
*
|
|
* 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., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
* The development of this code was made possible due to the involvement of
|
|
* Pioneers of the Inevitable, the creators of the Songbird Music player
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include "openslessrc.h"
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (opensles_src_debug);
|
|
#define GST_CAT_DEFAULT opensles_src_debug
|
|
|
|
#define DEFAULT_VOLUME 1.0
|
|
|
|
#define RATES "8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000, 192000"
|
|
|
|
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
|
|
GST_PAD_SRC,
|
|
GST_PAD_ALWAYS,
|
|
GST_STATIC_CAPS ("audio/x-raw-int, "
|
|
"endianness = (int) {" G_STRINGIFY (G_BYTE_ORDER) " }, "
|
|
"signed = (boolean) { TRUE }, "
|
|
"width = (int) 16, "
|
|
"depth = (int) 16, "
|
|
"rate = (int) { " RATES "}, "
|
|
"channels = (int) [1, 2];"
|
|
"audio/x-raw-int, "
|
|
"endianness = (int) {" G_STRINGIFY (G_BYTE_ORDER) " }, "
|
|
"signed = (boolean) { TRUE }, "
|
|
"width = (int) 8, "
|
|
"depth = (int) 8, "
|
|
"rate = (int) { " RATES "}, " "channels = (int) [1, 2]")
|
|
);
|
|
|
|
static void
|
|
_do_init (GType type)
|
|
{
|
|
GST_DEBUG_CATEGORY_INIT (opensles_src_debug, "opensles_src", 0,
|
|
"OpenSL ES Src");
|
|
}
|
|
|
|
GST_BOILERPLATE_FULL (GstOpenSLESSrc, gst_opensles_src, GstBaseAudioSrc,
|
|
GST_TYPE_BASE_AUDIO_SRC, _do_init);
|
|
|
|
static void
|
|
gst_opensles_src_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_add_static_pad_template (element_class, &src_factory);
|
|
|
|
gst_element_class_set_details_simple (element_class, "OpenSL ES Src",
|
|
"Src/Audio",
|
|
"Input sound using the OpenSL ES APIs",
|
|
"Josep Torra <support@fluendo.com>");
|
|
}
|
|
|
|
static GstRingBuffer *
|
|
gst_opensles_src_create_ringbuffer (GstBaseAudioSrc * base)
|
|
{
|
|
GstRingBuffer *rb;
|
|
|
|
rb = gst_opensles_ringbuffer_new (RB_MODE_SRC);
|
|
|
|
return rb;
|
|
}
|
|
|
|
static void
|
|
gst_opensles_src_class_init (GstOpenSLESSrcClass * klass)
|
|
{
|
|
GstBaseAudioSrcClass *gstbaseaudiosrc_class;
|
|
|
|
gstbaseaudiosrc_class = (GstBaseAudioSrcClass *) klass;
|
|
|
|
parent_class = g_type_class_peek_parent (klass);
|
|
|
|
gstbaseaudiosrc_class->create_ringbuffer =
|
|
GST_DEBUG_FUNCPTR (gst_opensles_src_create_ringbuffer);
|
|
}
|
|
|
|
static void
|
|
gst_opensles_src_init (GstOpenSLESSrc * src, GstOpenSLESSrcClass * gclass)
|
|
{
|
|
}
|