mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
Without a parent class,the documentation would need to be duplicated for every CODECs. This patch adds an abstract class in between GstVideoDecoder and the element. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3311>
133 lines
4.1 KiB
C
133 lines
4.1 KiB
C
/* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __GST_FFMPEG_CODECMAP_H__
|
|
#define __GST_FFMPEG_CODECMAP_H__
|
|
|
|
#include <libavcodec/avcodec.h>
|
|
#include <libavformat/avformat.h>
|
|
#include <gst/gst.h>
|
|
#include <gst/audio/audio.h>
|
|
#include <gst/video/video.h>
|
|
|
|
/*
|
|
* _codecid_is_image() returns TRUE for image formats
|
|
*/
|
|
gboolean
|
|
gst_ffmpeg_codecid_is_image (enum AVCodecID codec_id);
|
|
|
|
/*
|
|
* _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 AVCodecID 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_audio_caps (AVCodecContext *context,
|
|
enum AVCodecID codec_id,
|
|
gboolean encode,
|
|
AVCodec *codec);
|
|
GstCaps *
|
|
gst_ffmpeg_codectype_to_video_caps (AVCodecContext *context,
|
|
enum AVCodecID codec_id,
|
|
gboolean encode,
|
|
const 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 AVCodecID
|
|
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 AVCodecID 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);
|
|
|
|
void
|
|
gst_ffmpeg_audioinfo_to_context (GstAudioInfo *info,
|
|
AVCodecContext *context);
|
|
|
|
GstVideoFormat gst_ffmpeg_pixfmt_to_videoformat (enum AVPixelFormat pixfmt);
|
|
enum AVPixelFormat gst_ffmpeg_videoformat_to_pixfmt (GstVideoFormat format);
|
|
|
|
GstAudioFormat gst_ffmpeg_smpfmt_to_audioformat (enum AVSampleFormat sample_fmt,
|
|
GstAudioLayout * layout);
|
|
|
|
/*
|
|
* _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);
|
|
|
|
/*
|
|
* _formatid_get_codecids () can be used to get the codecIDs
|
|
* (AV_CODEC_ID_NONE-terminated list) that fit that specific
|
|
* output format.
|
|
*/
|
|
|
|
gboolean
|
|
gst_ffmpeg_formatid_get_codecids (const gchar *format_name,
|
|
enum AVCodecID ** video_codec_list,
|
|
enum AVCodecID ** audio_codec_list,
|
|
AVOutputFormat * plugin);
|
|
|
|
|
|
gboolean
|
|
gst_ffmpeg_channel_layout_to_gst (guint64 channel_layout, gint channels,
|
|
GstAudioChannelPosition * pos);
|
|
|
|
#endif /* __GST_FFMPEG_CODECMAP_H__ */
|