mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 10:40:34 +00:00
65f721b326
Add utilities about the channels and sample rate for AAC. https://bugzilla.gnome.org/show_bug.cgi?id=749110
123 lines
6.1 KiB
C
123 lines
6.1 KiB
C
/* GStreamer base utils library codec-specific utility functions
|
|
* Copyright (C) 2010 Arun Raghavan <arun.raghavan@collabora.co.uk>
|
|
* 2010 Collabora Multimedia
|
|
* 2010 Nokia Corporation
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __GST_PB_UTILS_CODEC_UTILS_H__
|
|
#define __GST_PB_UTILS_CODEC_UTILS_H__
|
|
|
|
#include <gst/gst.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* AAC */
|
|
|
|
guint gst_codec_utils_aac_get_sample_rate_from_index (guint sr_idx);
|
|
gint gst_codec_utils_aac_get_index_from_sample_rate (guint rate);
|
|
|
|
const gchar * gst_codec_utils_aac_get_profile (const guint8 * audio_config, guint len);
|
|
|
|
const gchar * gst_codec_utils_aac_get_level (const guint8 * audio_config, guint len);
|
|
|
|
guint gst_codec_utils_aac_get_sample_rate (const guint8 * audio_config, guint len);
|
|
|
|
guint gst_codec_utils_aac_get_channels (const guint8 * audio_config, guint len);
|
|
|
|
gboolean gst_codec_utils_aac_caps_set_level_and_profile (GstCaps * caps,
|
|
const guint8 * audio_config,
|
|
guint len);
|
|
|
|
/* H.264 */
|
|
|
|
const gchar * gst_codec_utils_h264_get_profile (const guint8 * sps, guint len);
|
|
|
|
const gchar * gst_codec_utils_h264_get_level (const guint8 * sps, guint len);
|
|
|
|
guint8 gst_codec_utils_h264_get_level_idc (const gchar * level);
|
|
|
|
gboolean gst_codec_utils_h264_caps_set_level_and_profile (GstCaps * caps,
|
|
const guint8 * sps,
|
|
guint len);
|
|
|
|
/* H.265 */
|
|
|
|
const gchar * gst_codec_utils_h265_get_profile (const guint8 * profile_tier_level,
|
|
guint len);
|
|
|
|
const gchar * gst_codec_utils_h265_get_tier (const guint8 * profile_tier_level,
|
|
guint len);
|
|
|
|
const gchar * gst_codec_utils_h265_get_level (const guint8 * profile_tier_level,
|
|
guint len);
|
|
|
|
guint8 gst_codec_utils_h265_get_level_idc (const gchar * level);
|
|
|
|
gboolean gst_codec_utils_h265_caps_set_level_tier_and_profile (GstCaps * caps,
|
|
const guint8 * profile_tier_level,
|
|
guint len);
|
|
/* MPEG-4 part 2 */
|
|
|
|
const gchar * gst_codec_utils_mpeg4video_get_profile (const guint8 * vis_obj_seq, guint len);
|
|
|
|
const gchar * gst_codec_utils_mpeg4video_get_level (const guint8 * vis_obj_seq, guint len);
|
|
|
|
gboolean gst_codec_utils_mpeg4video_caps_set_level_and_profile (GstCaps * caps,
|
|
const guint8 * vis_obj_seq,
|
|
guint len);
|
|
|
|
/* Opus */
|
|
gboolean gst_codec_utils_opus_parse_caps (GstCaps * caps,
|
|
guint32 * rate,
|
|
guint8 * channels,
|
|
guint8 * channel_mapping_family,
|
|
guint8 * stream_count,
|
|
guint8 * coupled_count,
|
|
guint8 channel_mapping[256]);
|
|
|
|
GstCaps * gst_codec_utils_opus_create_caps (guint32 rate,
|
|
guint8 channels,
|
|
guint8 channel_mapping_family,
|
|
guint8 stream_count,
|
|
guint8 coupled_count,
|
|
const guint8 * channel_mapping);
|
|
|
|
GstCaps * gst_codec_utils_opus_create_caps_from_header (GstBuffer * header, GstBuffer * comments);
|
|
|
|
GstBuffer * gst_codec_utils_opus_create_header (guint32 rate,
|
|
guint8 channels,
|
|
guint8 channel_mapping_family,
|
|
guint8 stream_count,
|
|
guint8 coupled_count,
|
|
const guint8 * channel_mapping,
|
|
guint16 pre_skip,
|
|
gint16 output_gain);
|
|
|
|
gboolean gst_codec_utils_opus_parse_header (GstBuffer * header,
|
|
guint32 * rate,
|
|
guint8 * channels,
|
|
guint8 * channel_mapping_family,
|
|
guint8 * stream_count,
|
|
guint8 * coupled_count,
|
|
guint8 channel_mapping[256],
|
|
guint16 * pre_skip,
|
|
gint16 * output_gain);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_PB_UTILS_CODEC_UTILS_H__ */
|