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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_FFMPEG_CODECMAP_H__
#define __GST_FFMPEG_CODECMAP_H__
#ifdef HAVE_LIBAV_UNINSTALLED
#include <avcodec.h>
#else
#include <libavcodec/avcodec.h>
#endif
#include <gst/gst.h>
#include <gst/audio/audio.h>
#include <gst/video/video.h>
/*
* _codecid_to_caps () gets the GstCaps that belongs to
* a certain CodecID for a pad with compressed data.
*/
GstCaps *
gst_ffmpeg_codecid_to_caps (enum CodecID codec_id,
AVCodecContext *context,
gboolean encode);
/*
* _codectype_to_caps () gets the GstCaps that belongs to
* a certain AVMediaType for a pad with uncompressed data.
*/
GstCaps *
gst_ffmpeg_codectype_to_caps (enum AVMediaType codec_type,
AVCodecContext *context,
enum CodecID codec_id,
gboolean encode);
GstCaps *
gst_ffmpeg_codectype_to_audio_caps (AVCodecContext *context,
enum CodecID codec_id,
gboolean encode,
AVCodec *codec);
GstCaps *
gst_ffmpeg_codectype_to_video_caps (AVCodecContext *context,
enum CodecID codec_id,
gboolean encode,
AVCodec *codec);
/*
* caps_to_codecid () transforms a GstCaps that belongs to
* a pad for compressed data to (optionally) a filled-in
* context and a codecID.
*/
enum CodecID
gst_ffmpeg_caps_to_codecid (const GstCaps *caps,
AVCodecContext *context);
/*
* caps_with_codecid () transforms a GstCaps for a known codec
* ID into a filled-in context.
*/
void
gst_ffmpeg_caps_with_codecid (enum CodecID codec_id,
enum AVMediaType codec_type,
const GstCaps *caps,
AVCodecContext *context);
/*
* caps_with_codectype () transforms a GstCaps that belongs to
* a pad for uncompressed data to a filled-in context.
*/
void
gst_ffmpeg_caps_with_codectype (enum AVMediaType type,
const GstCaps *caps,
AVCodecContext *context);
void
gst_ffmpeg_videoinfo_to_context (GstVideoInfo *info,
AVCodecContext *context);
GstVideoFormat gst_ffmpeg_pixfmt_to_videoformat (enum PixelFormat pixfmt);
enum PixelFormat gst_ffmpeg_videoformat_to_pixfmt (GstVideoFormat format);
/*
* _formatid_to_caps () is meant for muxers/demuxers, it
* transforms a name (ffmpeg way of ID'ing these, why don't
* they have unique numerical IDs?) to the corresponding
* caps belonging to that mux-format
*/
GstCaps *
gst_ffmpeg_formatid_to_caps (const gchar *format_name);
GstVideoFormat
gst_ffmpeg_pixfmt_to_video_format (enum PixelFormat pix_fmt);
/* Convert a FFMPEG Pixel Format and optional AVCodecContext
* to a GstCaps. If the context is ommitted, no fixed values
* for video/audio size will be included in the GstCaps
*
* See below for usefullness
*/
GstCaps *
gst_ffmpeg_pixfmt_to_caps (enum PixelFormat pix_fmt, AVCodecContext * context, enum CodecID codec_id);
/*
* _formatid_get_codecids () can be used to get the codecIDs
* (CODEC_ID_NONE-terminated list) that fit that specific
* output format.
*/
gboolean
gst_ffmpeg_formatid_get_codecids (const gchar *format_name,
enum CodecID ** video_codec_list,
enum CodecID ** audio_codec_list,
AVOutputFormat * plugin);
gboolean
gst_ffmpeg_channel_layout_to_gst (AVCodecContext * context,
GstAudioChannelPosition * pos);
#endif /* __GST_FFMPEG_CODECMAP_H__ */
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