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6e5fa03b6b
Original commit message from CVS: * ext/ffmpeg/gstffmpegenc.c (gst_ffmpegenc_chain_video): * ext/ffmpeg/gstffmpegdec.c (gst_ffmpegdec_chain): Makes ffmpegdec and ffmpegenc use these functions and remove a comment from a previuos patch * ext/ffmpeg/gstffmpegcodecmap.h: Add two utility functions to convert the pts from/to the ffmpeg format
165 lines
4.2 KiB
C
165 lines
4.2 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 <ffmpeg/avcodec.h>
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#endif
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#include <gst/gst.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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/*
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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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/*
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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 an image, we only use this for copying the image, ie,
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* convert between the same colorspaces.
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*/
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int
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gst_ffmpeg_img_convert (AVPicture * dst, int dst_pix_fmt,
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const AVPicture * src, int src_pix_fmt,
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int src_width, int src_height);
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static inline int64_t
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gst_ffmpeg_pts_gst_to_ffmpeg (GstClockTime inpts) {
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int64_t outpts;
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if (GST_CLOCK_TIME_IS_VALID (inpts))
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outpts = (inpts / (GST_SECOND / AV_TIME_BASE));
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else
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outpts = AV_NOPTS_VALUE;
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return outpts;
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}
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static inline GstClockTime
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gst_ffmpeg_pts_ffmpeg_to_gst (int64_t inpts) {
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GstClockTime outpts;
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if (inpts != AV_NOPTS_VALUE)
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outpts = (inpts * (GST_SECOND / AV_TIME_BASE));
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else
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outpts = GST_CLOCK_TIME_NONE;
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return outpts;
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}
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#endif /* __GST_FFMPEG_CODECMAP_H__ */
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