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269698f020
AVOutputFormat does *NOT* contain the full list of codecs a muxer can handle, but does contain the recommended audio and video codecs. Therefore we use that information to expose more muxers, until AVOutputFormat contains a list of *ALL* compatible codecs.
180 lines
4.9 KiB
C
180 lines
4.9 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_FFMPEG_CODECMAP_H__
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#define __GST_FFMPEG_CODECMAP_H__
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#ifdef HAVE_FFMPEG_UNINSTALLED
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#include <avcodec.h>
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#else
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#include <libavcodec/avcodec.h>
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#endif
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#include <gst/gst.h>
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#include <gst/audio/multichannel.h>
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/*
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* _codecid_to_caps () gets the GstCaps that belongs to
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* a certain CodecID for a pad with compressed data.
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*/
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GstCaps *
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gst_ffmpeg_codecid_to_caps (enum CodecID codec_id,
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AVCodecContext *context,
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gboolean encode);
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/*
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* _codectype_to_caps () gets the GstCaps that belongs to
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* a certain CodecType for a pad with uncompressed data.
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*/
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GstCaps *
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gst_ffmpeg_codectype_to_caps (enum CodecType codec_type,
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AVCodecContext *context,
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enum CodecID codec_id,
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gboolean encode);
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GstCaps *
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gst_ffmpeg_codectype_to_audio_caps (AVCodecContext *context,
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enum CodecID codec_id,
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gboolean encode,
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AVCodec *codec);
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GstCaps *
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gst_ffmpeg_codectype_to_video_caps (AVCodecContext *context,
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enum CodecID codec_id,
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gboolean encode,
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AVCodec *codec);
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/*
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* caps_to_codecid () transforms a GstCaps that belongs to
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* a pad for compressed data to (optionally) a filled-in
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* context and a codecID.
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*/
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enum CodecID
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gst_ffmpeg_caps_to_codecid (const GstCaps *caps,
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AVCodecContext *context);
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/*
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* caps_with_codecid () transforms a GstCaps for a known codec
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* ID into a filled-in context.
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*/
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void
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gst_ffmpeg_caps_with_codecid (enum CodecID codec_id,
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enum CodecType codec_type,
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const GstCaps *caps,
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AVCodecContext *context);
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/*
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* caps_with_codectype () transforms a GstCaps that belongs to
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* a pad for uncompressed data to a filled-in context.
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*/
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void
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gst_ffmpeg_caps_with_codectype (enum CodecType type,
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const GstCaps *caps,
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AVCodecContext *context);
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/*
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* _formatid_to_caps () is meant for muxers/demuxers, it
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* transforms a name (ffmpeg way of ID'ing these, why don't
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* they have unique numerical IDs?) to the corresponding
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* caps belonging to that mux-format
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*/
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GstCaps *
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gst_ffmpeg_formatid_to_caps (const gchar *format_name);
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/*
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* _formatid_get_codecids () can be used to get the codecIDs
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* (CODEC_ID_NONE-terminated list) that fit that specific
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* output format.
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*/
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gboolean
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gst_ffmpeg_formatid_get_codecids (const gchar *format_name,
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enum CodecID ** video_codec_list,
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enum CodecID ** audio_codec_list,
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AVOutputFormat * plugin);
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/*
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* Since FFMpeg has such really cool and useful descriptions
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* of its codecs, we use our own...
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*/
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G_CONST_RETURN gchar *
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gst_ffmpeg_get_codecid_longname (enum CodecID codec_id);
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/*
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*Get the size of an picture
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*/
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int
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gst_ffmpeg_avpicture_get_size (int pix_fmt, int width, int height);
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/*
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* Fill in pointers in an AVPicture, aligned by 4 (required by X).
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*/
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int
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gst_ffmpeg_avpicture_fill (AVPicture * picture,
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uint8_t * ptr,
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enum PixelFormat pix_fmt,
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int width,
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int height);
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/*
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* Convert from/to a GStreamer <-> FFMpeg timestamp.
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*/
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static inline guint64
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gst_ffmpeg_time_ff_to_gst (gint64 pts, AVRational base)
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{
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guint64 out;
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if (pts == AV_NOPTS_VALUE){
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out = GST_CLOCK_TIME_NONE;
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} else {
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AVRational bq = { 1, GST_SECOND };
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out = av_rescale_q (pts, base, bq);
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}
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return out;
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}
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static inline gint64
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gst_ffmpeg_time_gst_to_ff (guint64 time, AVRational base)
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{
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gint64 out;
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if (!GST_CLOCK_TIME_IS_VALID (time) || base.num == 0) {
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out = AV_NOPTS_VALUE;
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} else {
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AVRational bq = { 1, GST_SECOND };
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out = av_rescale_q (time, bq, base);
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}
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return out;
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}
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void
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gst_ffmpeg_init_pix_fmt_info();
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gint
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av_smp_format_depth(enum SampleFormat smp_fmt);
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#endif /* __GST_FFMPEG_CODECMAP_H__ */
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