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148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/* GStreamer
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* Copyright (C) 2012 Fluendo S.A. <support@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-openslessrc
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* @title: openslessrc
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* @see_also: openslessink
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*
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* This element reads data from default audio input using the OpenSL ES API in Android OS.
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*
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* ## Example pipelines
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* |[
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* gst-launch-1.0 -v openslessrc ! audioconvert ! vorbisenc ! oggmux ! filesink location=recorded.ogg
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* ]| Record from default audio input and encode to Ogg/Vorbis.
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "openslessrc.h"
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GST_DEBUG_CATEGORY_STATIC (opensles_src_debug);
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#define GST_CAT_DEFAULT opensles_src_debug
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/* *INDENT-OFF* */
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("audio/x-raw, "
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"format = (string) " GST_AUDIO_NE (S16) ", "
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"rate = (int) 16000, "
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"channels = (int) 1, "
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"layout = (string) interleaved")
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);
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/* *INDENT-ON* */
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#define _do_init \
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GST_DEBUG_CATEGORY_INIT (opensles_src_debug, "openslessrc", 0, \
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"OpenSLES Source");
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#define parent_class gst_opensles_src_parent_class
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G_DEFINE_TYPE_WITH_CODE (GstOpenSLESSrc, gst_opensles_src,
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GST_TYPE_AUDIO_BASE_SRC, _do_init);
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enum
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{
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PROP_0,
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PROP_PRESET,
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};
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#define DEFAULT_PRESET GST_OPENSLES_RECORDING_PRESET_NONE
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static void
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gst_opensles_src_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstOpenSLESSrc *src = GST_OPENSLES_SRC (object);
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switch (prop_id) {
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case PROP_PRESET:
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src->preset = g_value_get_enum (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_opensles_src_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstOpenSLESSrc *src = GST_OPENSLES_SRC (object);
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switch (prop_id) {
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case PROP_PRESET:
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g_value_set_enum (value, src->preset);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static GstAudioRingBuffer *
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gst_opensles_src_create_ringbuffer (GstAudioBaseSrc * base)
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{
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GstAudioRingBuffer *rb;
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rb = gst_opensles_ringbuffer_new (RB_MODE_SRC);
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GST_OPENSLES_RING_BUFFER (rb)->preset = GST_OPENSLES_SRC (base)->preset;
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return rb;
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}
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static void
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gst_opensles_src_class_init (GstOpenSLESSrcClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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GstAudioBaseSrcClass *gstaudiobasesrc_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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gstaudiobasesrc_class = (GstAudioBaseSrcClass *) klass;
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gobject_class->set_property = gst_opensles_src_set_property;
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gobject_class->get_property = gst_opensles_src_get_property;
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g_object_class_install_property (gobject_class, PROP_PRESET,
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g_param_spec_enum ("preset", "Preset", "Recording preset to use",
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GST_TYPE_OPENSLES_RECORDING_PRESET, DEFAULT_PRESET,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_element_class_add_static_pad_template (gstelement_class, &src_factory);
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gst_element_class_set_static_metadata (gstelement_class, "OpenSL ES Src",
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"Source/Audio",
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"Input sound using the OpenSL ES APIs",
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"Josep Torra <support@fluendo.com>");
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gstaudiobasesrc_class->create_ringbuffer =
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GST_DEBUG_FUNCPTR (gst_opensles_src_create_ringbuffer);
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}
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static void
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gst_opensles_src_init (GstOpenSLESSrc * src)
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{
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src->preset = DEFAULT_PRESET;
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}
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