+++ /dev/null
-#ifndef FFMPEG_H
-#define FFMPEG_H
-
-#include <stdio.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include "arraylist.h"
-#include "asset.inc"
-#include "bccmodels.h"
-#include "bcwindowbase.inc"
-#include "condition.h"
-#include "cstrdup.h"
-#include "linklist.h"
-#include "ffmpeg.inc"
-#include "filebase.inc"
-#include "fileffmpeg.inc"
-#include "indexstate.inc"
-#include "mutex.h"
-#include "thread.h"
-#include "vframe.inc"
-
-extern "C" {
-#include "libavformat/avformat.h"
-#include "libavformat/avio.h"
-#include "libavcodec/avcodec.h"
-#include "libavfilter/avfilter.h"
-#include "libavutil/avutil.h"
-#include "libavfilter/buffersrc.h"
-#include "libavfilter/buffersink.h"
-#include "libavutil/imgutils.h"
-#include "libavutil/opt.h"
-#include "libavutil/pixdesc.h"
-#include "libswresample/swresample.h"
-#include "libswscale/swscale.h"
-}
-
-class FFPacket {
- AVPacket pkt;
-public:
- FFPacket();
- ~FFPacket();
- void init();
- operator AVPacket*() { return &pkt; }
- operator AVPacket&() { return pkt; }
- AVPacket *operator ->() { return &pkt; }
-};
-
-class FFrame : public ListItem<FFrame> {
- AVFrame *frm;
- int init;
-public:
- int64_t position;
- FFStream *fst;
-
- FFrame(FFStream *fst);
- ~FFrame();
-
- operator AVFrame*() { return frm; }
- operator AVFrame&() { return *frm; }
- AVFrame *operator ->() { return frm; }
-
- int initted() { return init; }
- void queue(int64_t pos);
- void dequeue();
-};
-
-class FFStream {
-public:
- FFStream(FFMPEG *ffmpeg, AVStream *st, int fidx);
- ~FFStream();
- static void ff_lock(const char *cp=0);
- static void ff_unlock();
- void queue(FFrame *frm);
- void dequeue(FFrame *frm);
-
- virtual int encode_activate();
- virtual int decode_activate();
- int read_packet();
- int seek(int64_t no, double rate);
- int write_packet(FFPacket &pkt);
- int flush();
- int decode(AVFrame *frame);
- void load_markers(IndexMarks &marks, double rate);
-
- virtual int is_audio() = 0;
- virtual int is_video() = 0;
- virtual int decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame) = 0;
- virtual int encode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame) = 0;
- virtual int init_frame(AVFrame *frame) = 0;
- virtual int create_filter(const char *filter_spec,
- AVCodecContext *src_ctx, AVCodecContext *sink_ctx) = 0;
- virtual void load_markers() = 0;
- int create_filter(const char *filter_spec);
- int load_filter(AVFrame *frame);
- int read_filter(AVFrame *frame);
- int read_frame(AVFrame *frame);
-
- FFMPEG *ffmpeg;
- AVStream *st;
- AVFormatContext *fmt_ctx;
-
- AVFilterContext *buffersink_ctx;
- AVFilterContext *buffersrc_ctx;
- AVFilterGraph *filter_graph;
- AVFrame *frame, *fframe;
-
- class BSFilter {
- public:
- AVBitStreamFilterContext *bsfc;
- const char *args;
- BSFilter(const char *bsf, const char *ap) {
- bsfc = av_bitstream_filter_init(bsf);
- args = ap ? cstrdup(ap) : 0;
- }
- ~BSFilter() {
- av_bitstream_filter_close(bsfc);
- delete [] args;
- }
- };
- void add_bsfilter(const char *bsf, const char *ap);
- ArrayList<BSFilter *> bsfilter;
- int bs_filter(AVPacket *pkt);
-
- FFPacket ipkt;
- int need_packet, flushed;
-
- int frm_count;
- List<FFrame> frms;
- Mutex *frm_lock;
- IndexMarks *index_markers;
-
- int64_t nudge;
- int64_t seek_pos, curr_pos;
- int fidx;
- int reading, writing;
- int seeked, eof;
-
- int st_eof() { return eof; }
- void st_eof(int v) { eof = v; }
-};
-
-class FFAudioStream : public FFStream {
- float *inp, *outp, *bfr, *lmt;
- int64_t hpos, sz;
- int nch;
-
- int read(float *fp, long len);
- void realloc(long nsz, int nch, long len);
- void realloc(long nsz, int nch);
- void reserve(long nsz, int nch);
- long used();
- long avail();
- void iseek(int64_t ofs);
- float *get_outp(int len);
- int64_t put_inp(int len);
- int write(const float *fp, long len);
- int zero(long len);
- int write(const double *dp, long len, int ch);
-public:
- FFAudioStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx);
- virtual ~FFAudioStream();
- int is_audio() { return 1; }
- int is_video() { return 0; }
- int get_samples(float *&samples, uint8_t **data, int len);
- int load_history(uint8_t **data, int len);
- int decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame);
- int encode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame);
- int create_filter(const char *filter_spec,
- AVCodecContext *src_ctx, AVCodecContext *sink_ctx);
- void load_markers();
-
- int encode_activate();
- int nb_samples();
- int64_t load_buffer(double ** const sp, int len);
- int in_history(int64_t pos);
- void reset_history();
- int read(double *dp, long len, int ch);
-
- int init_frame(AVFrame *frame);
- int load(int64_t pos, int len);
- int audio_seek(int64_t pos);
- int encode(double **samples, int len);
-
- int idx;
- int channel0, channels;
- int sample_rate;
- int mbsz, frame_sz;
- int64_t length;
-
- SwrContext *resample_context;
- int aud_bfr_sz;
- float *aud_bfr;
-};
-
-
-class FFVideoConvert {
-public:
- struct SwsContext *convert_ctx;
-
- FFVideoConvert() { convert_ctx = 0; }
- ~FFVideoConvert() { if( convert_ctx ) sws_freeContext(convert_ctx); }
-
- static AVPixelFormat color_model_to_pix_fmt(int color_model);
- static int pix_fmt_to_color_model(AVPixelFormat pix_fmt);
-
- int convert_picture_vframe(VFrame *frame,
- AVFrame *ip, AVPixelFormat ifmt, int iw, int ih);
- int convert_cmodel(VFrame *frame_out,
- AVFrame *ip, AVPixelFormat ifmt, int iw, int ih);
- int transfer_cmodel(VFrame *frame_in, //defaults->metadata
- AVFrame *ifp, AVPixelFormat ifmt, int iw, int ih);
- int convert_vframe_picture(VFrame *frame,
- AVFrame *op, AVPixelFormat ofmt, int ow, int oh);
- int convert_pixfmt(VFrame *frame_in,
- AVFrame *op, AVPixelFormat ofmt, int ow, int oh);
- int transfer_pixfmt(VFrame *frame_in, //metadata->defaults
- AVFrame *ofp, AVPixelFormat ofmt, int ow, int oh);
-};
-
-class FFVideoStream : public FFStream, public FFVideoConvert {
-public:
- FFVideoStream(FFMPEG *ffmpeg, AVStream *strm, int idx, int fidx);
- virtual ~FFVideoStream();
- int is_audio() { return 0; }
- int is_video() { return 1; }
- int decode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame);
- int encode_frame(AVPacket *pkt, AVFrame *frame, int &got_frame);
- int create_filter(const char *filter_spec,
- AVCodecContext *src_ctx, AVCodecContext *sink_ctx);
- void load_markers();
-
- int init_frame(AVFrame *picture);
- int load(VFrame *vframe, int64_t pos);
- int video_seek(int64_t pos);
- int encode(VFrame *vframe);
-
- int idx;
- double frame_rate;
- int width, height;
- int64_t length;
- float aspect_ratio;
-
- uint8_t *pkt_bfr;
- int pkt_bfr_sz;
- int64_t start_pts;
-};
-
-class FFMPEG : public Thread {
-public:
- static Mutex fflock;
- static void ff_lock(const char *cp=0) { fflock.lock(cp); }
- static void ff_unlock() { fflock.unlock(); }
-
- int check_sample_rate(AVCodec *codec, int sample_rate);
- AVRational check_frame_rate(AVCodec *codec, double frame_rate);
- AVRational to_sample_aspect_ratio(Asset *asset);
- AVRational to_time_base(int sample_rate);
-
- static void set_option_path(char *path, const char *fmt, ...);
- static void get_option_path(char *path, const char *type, const char *spec);
- static int get_format(char *format, const char *path, char *spec);
- static int scan_option_line(char *cp,char *tag,char *val);
- int get_file_format();
- int get_encoder(const char *options,
- char *format, char *codec, char *bsfilter, char *bsargs);
- int get_encoder(FILE *fp,
- char *format, char *codec, char *bsfilter, char *bsargs);
- int read_options(const char *options, AVDictionary *&opts);
- int scan_options(const char *options, AVDictionary *&opts, AVStream *st);
- int read_options(FILE *fp, const char *options, AVDictionary *&opts);
- int load_options(const char *options, AVDictionary *&opts);
- static int load_options(const char *path, char *bfr, int len);
- void set_loglevel(const char *ap);
- static double to_secs(int64_t time, AVRational time_base);
- int info(char *text, int len);
-
- int init_decoder(const char *filename);
- int open_decoder();
- int init_encoder(const char *filename);
- int open_encoder(const char *type, const char *spec);
- int close_encoder();
-
- int total_audio_channels();
- int total_video_channels();
-
- int audio_seek(int ch, int64_t pos);
- int video_seek(int layer, int64_t pos);
-
- int decode(int chn, int64_t pos, double *samples, int len);
- int decode(int layer, int64_t pos, VFrame *frame);
- int decode_activate();
- int encode(int stream, double **samples, int len);
- int encode(int stream, VFrame *frame);
- int encode_activate();
-
- FileBase *file_base;
- AVFormatContext *fmt_ctx;
- ArrayList<FFAudioStream*> ffaudio;
- ArrayList<FFVideoStream*> ffvideo;
- AVDictionary *opts;
- double opt_duration;
- char *opt_video_filter;
- char *opt_audio_filter;
- char file_format[BCTEXTLEN];
-
- class ffidx {
- public:
- uint16_t st_idx, st_ch;
- ffidx() { st_idx = st_ch = 0; }
- ffidx(const ffidx &t) { st_idx = t.st_idx; st_ch = t.st_ch; }
- ffidx(uint16_t fidx, uint16_t ch) { st_idx = fidx; st_ch = ch; }
- };
-
- ArrayList<ffidx> astrm_index;
- ArrayList<ffidx> vstrm_index;
- int mux_audio(FFrame *frm);
- int mux_video(FFrame *frm);
- Condition *mux_lock;
- Condition *flow_lock;
- int done, flow;
-
- void start_muxer();
- void stop_muxer();
- void flow_off();
- void flow_on();
- void flow_ctl();
- void mux();
- void run();
-
- int decoding, encoding;
- int has_audio, has_video;
-
- FFMPEG(FileBase *file_base=0);
- ~FFMPEG();
- int scan(IndexState *index_state, int64_t *scan_position, int *canceled);
-
- int ff_audio_stream(int channel) { return astrm_index[channel].st_idx; }
- int ff_video_stream(int layer) { return vstrm_index[layer].st_idx; }
-
- int ff_total_audio_channels();
- int ff_total_astreams();
- int ff_audio_channels(int stream);
- int ff_sample_rate(int stream);
- const char *ff_audio_format(int stream);
- int ff_audio_pid(int stream);
- int64_t ff_audio_samples(int stream);
- int ff_audio_for_video(int vstream, int astream, int64_t &channels);
-
- int ff_total_video_layers();
- int ff_total_vstreams();
- int ff_video_width(int stream);
- int ff_video_height(int stream);
- int ff_set_video_width(int stream, int width);
- int ff_set_video_height(int stream, int height);
- int ff_coded_width(int stream);
- int ff_coded_height(int stream);
- float ff_aspect_ratio(int stream);
- double ff_frame_rate(int stream);
- const char *ff_video_format(int stream);
- int64_t ff_video_frames(int stream);
- int ff_video_pid(int stream);
-
- int ff_cpus();
- void dump_context(AVCodecContext *ctx);
-};
-
-#endif /* FFMPEG_H */
projects / goodguy / history.git / blobdiff