-/*
- * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
- * Copyright (c) 2008 Peter Ross
- *
- * This file is part of Libav.
- *
- * Libav is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * Libav 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef AVUTIL_AUDIOCONVERT_H
-#define AVUTIL_AUDIOCONVERT_H
+#include "version.h"
-#include <stdint.h>
-
-/**
- * @file
- * audio conversion routines
- */
-
-/**
- * @addtogroup lavu_audio
- * @{
- */
-
-/**
- * @defgroup channel_masks Audio channel masks
- * @{
- */
-#define AV_CH_FRONT_LEFT 0x00000001
-#define AV_CH_FRONT_RIGHT 0x00000002
-#define AV_CH_FRONT_CENTER 0x00000004
-#define AV_CH_LOW_FREQUENCY 0x00000008
-#define AV_CH_BACK_LEFT 0x00000010
-#define AV_CH_BACK_RIGHT 0x00000020
-#define AV_CH_FRONT_LEFT_OF_CENTER 0x00000040
-#define AV_CH_FRONT_RIGHT_OF_CENTER 0x00000080
-#define AV_CH_BACK_CENTER 0x00000100
-#define AV_CH_SIDE_LEFT 0x00000200
-#define AV_CH_SIDE_RIGHT 0x00000400
-#define AV_CH_TOP_CENTER 0x00000800
-#define AV_CH_TOP_FRONT_LEFT 0x00001000
-#define AV_CH_TOP_FRONT_CENTER 0x00002000
-#define AV_CH_TOP_FRONT_RIGHT 0x00004000
-#define AV_CH_TOP_BACK_LEFT 0x00008000
-#define AV_CH_TOP_BACK_CENTER 0x00010000
-#define AV_CH_TOP_BACK_RIGHT 0x00020000
-#define AV_CH_STEREO_LEFT 0x20000000 ///< Stereo downmix.
-#define AV_CH_STEREO_RIGHT 0x40000000 ///< See AV_CH_STEREO_LEFT.
-
-/** Channel mask value used for AVCodecContext.request_channel_layout
- to indicate that the user requests the channel order of the decoder output
- to be the native codec channel order. */
-#define AV_CH_LAYOUT_NATIVE 0x8000000000000000ULL
-
-/**
- * @}
- * @defgroup channel_mask_c Audio channel convenience macros
- * @{
- * */
-#define AV_CH_LAYOUT_MONO (AV_CH_FRONT_CENTER)
-#define AV_CH_LAYOUT_STEREO (AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT)
-#define AV_CH_LAYOUT_2_1 (AV_CH_LAYOUT_STEREO|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_SURROUND (AV_CH_LAYOUT_STEREO|AV_CH_FRONT_CENTER)
-#define AV_CH_LAYOUT_4POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_CENTER)
-#define AV_CH_LAYOUT_2_2 (AV_CH_LAYOUT_STEREO|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
-#define AV_CH_LAYOUT_QUAD (AV_CH_LAYOUT_STEREO|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_5POINT0 (AV_CH_LAYOUT_SURROUND|AV_CH_SIDE_LEFT|AV_CH_SIDE_RIGHT)
-#define AV_CH_LAYOUT_5POINT1 (AV_CH_LAYOUT_5POINT0|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_5POINT0_BACK (AV_CH_LAYOUT_SURROUND|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_5POINT1_BACK (AV_CH_LAYOUT_5POINT0_BACK|AV_CH_LOW_FREQUENCY)
-#define AV_CH_LAYOUT_7POINT0 (AV_CH_LAYOUT_5POINT0|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_7POINT1 (AV_CH_LAYOUT_5POINT1|AV_CH_BACK_LEFT|AV_CH_BACK_RIGHT)
-#define AV_CH_LAYOUT_7POINT1_WIDE (AV_CH_LAYOUT_5POINT1|AV_CH_FRONT_LEFT_OF_CENTER|AV_CH_FRONT_RIGHT_OF_CENTER)
-#define AV_CH_LAYOUT_STEREO_DOWNMIX (AV_CH_STEREO_LEFT|AV_CH_STEREO_RIGHT)
-
-/**
- * @}
- */
-
-/**
- * Return a channel layout id that matches name, 0 if no match.
- */
-uint64_t av_get_channel_layout(const char *name);
-
-/**
- * Return a description of a channel layout.
- * If nb_channels is <= 0, it is guessed from the channel_layout.
- *
- * @param buf put here the string containing the channel layout
- * @param buf_size size in bytes of the buffer
- */
-void av_get_channel_layout_string(char *buf, int buf_size, int nb_channels, uint64_t channel_layout);
-
-/**
- * Return the number of channels in the channel layout.
- */
-int av_get_channel_layout_nb_channels(uint64_t channel_layout);
-
-/**
- * @}
- */
-
-#endif /* AVUTIL_AUDIOCONVERT_H */
+#if FF_API_AUDIOCONVERT
+#include "channel_layout.h"
+#endif
projects / ffmpeg / blobdiff