/* 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)); }