/* * muxing using libavformat * Copyright (C) 2011 Rudolf Polzer <divVerent@xonotic.org> * * This file is part of mpv. * * MPlayer is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * MPlayer 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with MPlayer; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MPLAYER_ENCODE_LAVC_H #define MPLAYER_ENCODE_LAVC_H #include <pthread.h> #include <libavcodec/avcodec.h> #include <libavformat/avformat.h> #include <libavutil/avstring.h> #include <libavutil/pixfmt.h> #include <libavutil/opt.h> #include <libavutil/mathematics.h> #include "encode.h" #include "video/csputils.h" struct encode_lavc_context { struct mpv_global *global; struct encode_opts *options; struct mp_log *log; struct mp_tags *metadata; // All entry points must be guarded with the lock. Functions called by // the playback core lock this automatically, but ao_lavc.c and vo_lavc.c // must lock manually before accessing state. pthread_mutex_t lock; float vo_fps; // these are processed from the options AVFormatContext *avc; AVRational timebase; AVCodec *vc; AVCodec *ac; AVDictionary *foptions; AVDictionary *aoptions; AVDictionary *voptions; // values created during encoding int header_written; // -1 means currently writing // sync to audio mode double audio_pts_offset; double last_video_in_pts; double last_audio_in_pts; int64_t samples_since_last_pts; // anti discontinuity mode double next_in_pts; double discontinuity_pts_offset; long long abytes; long long vbytes; struct stream *twopass_bytebuffer_a; struct stream *twopass_bytebuffer_v; double t0; unsigned int frames; double audioseconds; bool expect_video; bool expect_audio; bool video_first; bool audio_first; // has encoding failed? bool failed; bool finished; }; // interface for vo/ao drivers AVStream *encode_lavc_alloc_stream(struct encode_lavc_context *ctx, enum AVMediaType mt); void encode_lavc_write_stats(struct encode_lavc_context *ctx, AVStream *stream); int encode_lavc_write_frame(struct encode_lavc_context *ctx, AVPacket *packet); int encode_lavc_supports_pixfmt(struct encode_lavc_context *ctx, enum AVPixelFormat format); AVCodec *encode_lavc_get_codec(struct encode_lavc_context *ctx, AVStream *stream); int encode_lavc_open_codec(struct encode_lavc_context *ctx, AVStream *stream); int encode_lavc_available(struct encode_lavc_context *ctx); int encode_lavc_timesyncfailed(struct encode_lavc_context *ctx); int encode_lavc_start(struct encode_lavc_context *ctx); // returns 1 on success int encode_lavc_oformat_flags(struct encode_lavc_context *ctx); double encode_lavc_getoffset(struct encode_lavc_context *ctx, AVStream *stream); void encode_lavc_fail(struct encode_lavc_context *ctx, const char *format, ...); // report failure of encoding bool encode_lavc_set_csp(struct encode_lavc_context *ctx, AVStream *stream, enum mp_csp csp); bool encode_lavc_set_csp_levels(struct encode_lavc_context *ctx, AVStream *stream, enum mp_csp_levels lev); enum mp_csp encode_lavc_get_csp(struct encode_lavc_context *ctx, AVStream *stream); enum mp_csp_levels encode_lavc_get_csp_levels(struct encode_lavc_context *ctx, AVStream *stream); #endif