+/*
+ * copyright (c) 2001 Fabrice Bellard
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
#ifndef AVFORMAT_H
#define AVFORMAT_H
extern "C" {
#endif
-#define LIBAVFORMAT_VERSION_INT ((50<<16)+(2<<8)+1)
-#define LIBAVFORMAT_VERSION 50.2.1
+#define LIBAVFORMAT_VERSION_INT ((51<<16)+(7<<8)+0)
+#define LIBAVFORMAT_VERSION 51.7.0
#define LIBAVFORMAT_BUILD LIBAVFORMAT_VERSION_INT
#define LIBAVFORMAT_IDENT "Lavf" AV_STRINGIFY(LIBAVFORMAT_VERSION)
/* packet functions */
-#ifndef MAXINT64
-#define MAXINT64 int64_t_C(0x7fffffffffffffff)
-#endif
-
-#ifndef MININT64
-#define MININT64 int64_t_C(0x8000000000000000)
-#endif
-
typedef struct AVPacket {
int64_t pts; ///< presentation time stamp in time_base units
int64_t dts; ///< decompression time stamp in time_base units
is assumed to be such as 0 <= num < den */
typedef struct AVFrac {
int64_t val, num, den;
-} AVFrac;
-
-void av_frac_init(AVFrac *f, int64_t val, int64_t num, int64_t den);
-void av_frac_add(AVFrac *f, int64_t incr);
-void av_frac_set(AVFrac *f, int64_t val);
+} AVFrac attribute_deprecated;
/*************************************************/
/* input/output formats */
int buf_size;
} AVProbeData;
-#define AVPROBE_SCORE_MAX 100
+#define AVPROBE_SCORE_MAX 100 ///< max score, half of that is used for file extension based detection
typedef struct AVFormatParameters {
AVRational time_base;
int width;
int height;
enum PixelFormat pix_fmt;
- struct AVImageFormat *image_format;
int channel; /* used to select dv channel */
const char *device; /* video, audio or DV device */
const char *standard; /* tv standard, NTSC, PAL, SECAM */
mpeg2ts_raw is TRUE */
int initial_pause:1; /* do not begin to play the stream
immediately (RTSP only) */
+ int prealloced_context:1;
enum CodecID video_codec_id;
enum CodecID audio_codec_id;
} AVFormatParameters;
#define AVFMT_RAWPICTURE 0x0020 /* format wants AVPicture structure for
raw picture data */
#define AVFMT_GLOBALHEADER 0x0040 /* format wants global header */
+#define AVFMT_NOTIMESTAMPS 0x0080 /* format doesnt need / has any timestamps */
typedef struct AVOutputFormat {
const char *name;
int64_t pos;
int64_t timestamp;
#define AVINDEX_KEYFRAME 0x0001
-/* the following 2 flags indicate that the next/prev keyframe is known, and scaning for it isnt needed */
- int flags;
+ int flags:2;
+ int size:30; //yeah trying to keep the size of this small to reduce memory requirements (its 24 vs 32 byte due to possible 8byte align)
int min_distance; /* min distance between this and the previous keyframe, used to avoid unneeded searching */
} AVIndexEntry;
AVCodecContext *codec; /* codec context */
/**
* real base frame rate of the stream.
+ * this is the lowest framerate with which all timestamps can be
+ * represented accurately (its the least common multiple of all
+ * framerates in the stream), Note, this value is just a guess!
* for example if the timebase is 1/90000 and all frames have either
* approximately 3600 or 1800 timer ticks then r_frame_rate will be 50/1
*/
AVIndexEntry *index_entries; /* only used if the format does not
support seeking natively */
int nb_index_entries;
- int index_entries_allocated_size;
+ unsigned int index_entries_allocated_size;
int64_t nb_frames; ///< number of frames in this stream if known or 0
+
+#define MAX_REORDER_DELAY 4
+ int64_t pts_buffer[MAX_REORDER_DELAY+1];
} AVStream;
#define AVFMTCTX_NOHEADER 0x0001 /* signal that no header is present
int flags;
#define AVFMT_FLAG_GENPTS 0x0001 ///< generate pts if missing even if it requires parsing future frames
+#define AVFMT_FLAG_IGNIDX 0x0002 ///< ignore index
+
+ int loop_input;
+ /* decoding: size of data to probe; encoding unused */
+ unsigned int probesize;
} AVFormatContext;
typedef struct AVPacketList {
extern AVInputFormat *first_iformat;
extern AVOutputFormat *first_oformat;
-/* still image support */
-struct AVInputImageContext;
-typedef struct AVInputImageContext AVInputImageContext;
-
-typedef struct AVImageInfo {
- enum PixelFormat pix_fmt; /* requested pixel format */
- int width; /* requested width */
- int height; /* requested height */
- int interleaved; /* image is interleaved (e.g. interleaved GIF) */
- AVPicture pict; /* returned allocated image */
-} AVImageInfo;
-
-/* AVImageFormat.flags field constants */
-#define AVIMAGE_INTERLEAVED 0x0001 /* image format support interleaved output */
-
-typedef struct AVImageFormat {
- const char *name;
- const char *extensions;
- /* tell if a given file has a chance of being parsing by this format */
- int (*img_probe)(AVProbeData *);
- /* read a whole image. 'alloc_cb' is called when the image size is
- known so that the caller can allocate the image. If 'allo_cb'
- returns non zero, then the parsing is aborted. Return '0' if
- OK. */
- int (*img_read)(ByteIOContext *,
- int (*alloc_cb)(void *, AVImageInfo *info), void *);
- /* write the image */
- int supported_pixel_formats; /* mask of supported formats for output */
- int (*img_write)(ByteIOContext *, AVImageInfo *);
- int flags;
- struct AVImageFormat *next;
-} AVImageFormat;
-
-void av_register_image_format(AVImageFormat *img_fmt);
-AVImageFormat *av_probe_image_format(AVProbeData *pd);
-AVImageFormat *guess_image_format(const char *filename);
enum CodecID av_guess_image2_codec(const char *filename);
-int av_read_image(ByteIOContext *pb, const char *filename,
- AVImageFormat *fmt,
- int (*alloc_cb)(void *, AVImageInfo *info), void *opaque);
-int av_write_image(ByteIOContext *pb, AVImageFormat *fmt, AVImageInfo *img);
-
-extern AVImageFormat *first_image_format;
-
-extern AVImageFormat pnm_image_format;
-extern AVImageFormat pbm_image_format;
-extern AVImageFormat pgm_image_format;
-extern AVImageFormat ppm_image_format;
-extern AVImageFormat pam_image_format;
-extern AVImageFormat pgmyuv_image_format;
-extern AVImageFormat yuv_image_format;
-#ifdef CONFIG_ZLIB
-extern AVImageFormat png_image_format;
-#endif
-extern AVImageFormat jpeg_image_format;
-extern AVImageFormat gif_image_format;
-extern AVImageFormat sgi_image_format;
/* XXX: use automatic init with either ELF sections or C file parser */
/* modules */
-/* mpeg.c */
-extern AVInputFormat mpegps_demux;
-int mpegps_init(void);
-
-/* mpegts.c */
-extern AVInputFormat mpegts_demux;
-int mpegts_init(void);
-
-/* rm.c */
-int rm_init(void);
-
-/* crc.c */
-int crc_init(void);
-
-/* img.c */
-int img_init(void);
-
-/* img2.c */
-int img2_init(void);
-
-/* asf.c */
-int asf_init(void);
-
-/* avienc.c */
-int avienc_init(void);
-
-/* avidec.c */
-int avidec_init(void);
-
-/* swf.c */
-int swf_init(void);
-
-/* mov.c */
-int mov_init(void);
-
-/* movenc.c */
-int movenc_init(void);
-
-/* flvenc.c */
-int flvenc_init(void);
-
-/* flvdec.c */
-int flvdec_init(void);
-
-/* jpeg.c */
-int jpeg_init(void);
-
-/* gif.c */
-int gif_init(void);
-
-/* au.c */
-int au_init(void);
-
-/* amr.c */
-int amr_init(void);
-
-/* wav.c */
-int ff_wav_init(void);
-
-/* mmf.c */
-int ff_mmf_init(void);
-
-/* raw.c */
-int pcm_read_seek(AVFormatContext *s,
- int stream_index, int64_t timestamp, int flags);
-int raw_init(void);
-
-/* mp3.c */
-int mp3_init(void);
-
-/* yuv4mpeg.c */
-int yuv4mpeg_init(void);
-
-/* ogg2.c */
-int ogg_init(void);
-
-/* ogg.c */
-int libogg_init(void);
-
-/* dv.c */
-int ff_dv_init(void);
-
-/* ffm.c */
-int ffm_init(void);
-
-/* rtsp.c */
-extern AVInputFormat redir_demux;
-int redir_open(AVFormatContext **ic_ptr, ByteIOContext *f);
-
-/* 4xm.c */
-int fourxm_init(void);
-
-/* psxstr.c */
-int str_init(void);
-
-/* idroq.c */
-int roq_init(void);
-
-/* ipmovie.c */
-int ipmovie_init(void);
-
-/* nut.c */
-int nut_init(void);
-
-/* wc3movie.c */
-int wc3_init(void);
-
-/* westwood.c */
-int westwood_init(void);
-
-/* segafilm.c */
-int film_init(void);
-
-/* idcin.c */
-int idcin_init(void);
-
-/* flic.c */
-int flic_init(void);
-
-/* sierravmd.c */
-int vmd_init(void);
-
-/* matroska.c */
-int matroska_init(void);
-
-/* sol.c */
-int sol_init(void);
-
-/* electronicarts.c */
-int ea_init(void);
-
-/* nsvdec.c */
-int nsvdec_init(void);
-
-/* daud.c */
-int daud_init(void);
-
-/* aiff.c */
-int ff_aiff_init(void);
-
-/* voc.c */
-int voc_init(void);
-
-/* adts.c */
-int ff_adts_init(void);
-
#include "rtp.h"
#include "rtsp.h"
-/* yuv4mpeg.c */
-extern AVOutputFormat yuv4mpegpipe_oformat;
-
/* utils.c */
void av_register_input_format(AVInputFormat *format);
void av_register_output_format(AVOutputFormat *format);
void av_register_all(void);
-typedef struct FifoBuffer {
- uint8_t *buffer;
- uint8_t *rptr, *wptr, *end;
-} FifoBuffer;
-
-int fifo_init(FifoBuffer *f, int size);
-void fifo_free(FifoBuffer *f);
-int fifo_size(FifoBuffer *f, uint8_t *rptr);
-int fifo_read(FifoBuffer *f, uint8_t *buf, int buf_size, uint8_t **rptr_ptr);
-void fifo_write(FifoBuffer *f, uint8_t *buf, int size, uint8_t **wptr_ptr);
-int put_fifo(ByteIOContext *pb, FifoBuffer *f, int buf_size, uint8_t **rptr_ptr);
-void fifo_realloc(FifoBuffer *f, unsigned int size);
-
/* media file input */
AVInputFormat *av_find_input_format(const char *short_name);
AVInputFormat *av_probe_input_format(AVProbeData *pd, int is_opened);
int av_find_default_stream_index(AVFormatContext *s);
int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
int av_add_index_entry(AVStream *st,
- int64_t pos, int64_t timestamp, int distance, int flags);
+ int64_t pos, int64_t timestamp, int size, int distance, int flags);
int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags);
+void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
+int64_t av_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts, int64_t pos_min, int64_t pos_max, int64_t pos_limit, int64_t ts_min, int64_t ts_max, int flags, int64_t *ts_ret, int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ));
/* media file output */
int av_set_parameters(AVFormatContext *s, AVFormatParameters *ap);
int av_write_header(AVFormatContext *s);
int av_write_frame(AVFormatContext *s, AVPacket *pkt);
int av_interleaved_write_frame(AVFormatContext *s, AVPacket *pkt);
+int av_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush);
int av_write_trailer(AVFormatContext *s);
int find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
-int get_frame_filename(char *buf, int buf_size,
- const char *path, int number);
-int filename_number_test(const char *filename);
+int av_get_frame_filename(char *buf, int buf_size,
+ const char *path, int number);
+int av_filename_number_test(const char *filename);
/* grab specific */
int video_grab_init(void);
projects / ffmpeg / blobdiff