| /* 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 "unalignedaudio.h" |
| |
| |
| GST_DEBUG_CATEGORY (unaligned_audio_parse_debug); |
| #define GST_CAT_DEFAULT unaligned_audio_parse_debug |
| |
| |
| struct _GstUnalignedAudioParse |
| { |
| GstBin parent; |
| GstElement *inner_parser; |
| }; |
| |
| |
| struct _GstUnalignedAudioParseClass |
| { |
| GstBinClass parent_class; |
| }; |
| |
| |
| 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); |
| |
| |
| 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)); |
| } |