From d4bdd0473d6f43132257c9fb3848d829755167a3 Mon Sep 17 00:00:00 2001 From: wm4 Date: Mon, 5 Nov 2012 17:02:04 +0100 Subject: Rename directories, move files (step 1 of 2) (does not compile) Tis drops the silly lib prefixes, and attempts to organize the tree in a more logical way. Make the top-level directory less cluttered as well. Renames the following directories: libaf -> audio/filter libao2 -> audio/out libvo -> video/out libmpdemux -> demux Split libmpcodecs: vf* -> video/filter vd*, dec_video.* -> video/decode mp_image*, img_format*, ... -> video/ ad*, dec_audio.* -> audio/decode libaf/format.* is moved to audio/ - this is similar to how mp_image.* is located in video/. Move most top-level .c/.h files to core. (talloc.c/.h is left on top- level, because it's external.) Park some of the more annoying files in compat/. Some of these are relicts from the time mplayer used ffmpeg internals. sub/ is not split, because it's too much of a mess (subtitle code is mixed with OSD display and rendering). Maybe the organization of core is not ideal: it mixes playback core (like mplayer.c) and utility helpers (like bstr.c/h). Should the need arise, the playback core will be moved somewhere else, while core contains all helper and common code. --- demux/demux.h | 414 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 414 insertions(+) create mode 100644 demux/demux.h (limited to 'demux/demux.h') diff --git a/demux/demux.h b/demux/demux.h new file mode 100644 index 0000000000..f44c728c1e --- /dev/null +++ b/demux/demux.h @@ -0,0 +1,414 @@ +/* + * This file is part of MPlayer. + * + * 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_DEMUXER_H +#define MPLAYER_DEMUXER_H + +#include +#include +#include +#include +#include + +#include "bstr.h" +#include "mpcommon.h" +#include "demux_packet.h" +#include "stheader.h" + +struct MPOpts; + +#ifdef HAVE_BUILTIN_EXPECT +#define likely(x) __builtin_expect((x) != 0, 1) +#define unlikely(x) __builtin_expect((x) != 0, 0) +#else +#define likely(x) (x) +#define unlikely(x) (x) +#endif + +#define MAX_PACKS 4096 +#define MAX_PACK_BYTES 0x8000000 // 128 MiB + +enum demuxer_type { + DEMUXER_TYPE_UNKNOWN = 0, + DEMUXER_TYPE_MPEG_PS, + DEMUXER_TYPE_AVI, + DEMUXER_TYPE_AVI_NI, + DEMUXER_TYPE_AVI_NINI, + DEMUXER_TYPE_ASF, + DEMUXER_TYPE_TV, + DEMUXER_TYPE_Y4M, + DEMUXER_TYPE_MF, + DEMUXER_TYPE_RAWAUDIO, + DEMUXER_TYPE_RAWVIDEO, + DEMUXER_TYPE_MPEG_ES, + DEMUXER_TYPE_MPEG4_ES, + DEMUXER_TYPE_H264_ES, + DEMUXER_TYPE_MPEG_PES, + DEMUXER_TYPE_MPEG_GXF, + DEMUXER_TYPE_GIF, + DEMUXER_TYPE_MPEG_TS, + DEMUXER_TYPE_MATROSKA, + DEMUXER_TYPE_LAVF, + DEMUXER_TYPE_NSV, + DEMUXER_TYPE_AVS, + DEMUXER_TYPE_AAC, + DEMUXER_TYPE_MPC, + DEMUXER_TYPE_LAVF_PREFERRED, + DEMUXER_TYPE_MNG, + DEMUXER_TYPE_EDL, + DEMUXER_TYPE_CUE, + + /* Values after this are for internal use and can not be selected + * as demuxer type by the user (-demuxer option). */ + DEMUXER_TYPE_END, + + DEMUXER_TYPE_PLAYLIST, +}; + +enum timestamp_type { + TIMESTAMP_TYPE_PTS, + TIMESTAMP_TYPE_SORT, +}; + + +// DEMUXER control commands/answers +#define DEMUXER_CTRL_NOTIMPL -1 +#define DEMUXER_CTRL_DONTKNOW 0 +#define DEMUXER_CTRL_OK 1 +#define DEMUXER_CTRL_GUESS 2 +#define DEMUXER_CTRL_GET_TIME_LENGTH 10 +#define DEMUXER_CTRL_GET_PERCENT_POS 11 +#define DEMUXER_CTRL_SWITCH_AUDIO 12 +#define DEMUXER_CTRL_RESYNC 13 +#define DEMUXER_CTRL_SWITCH_VIDEO 14 +#define DEMUXER_CTRL_IDENTIFY_PROGRAM 15 +#define DEMUXER_CTRL_CORRECT_PTS 16 +#define DEMUXER_CTRL_AUTOSELECT_SUBTITLE 17 + +#define SEEK_ABSOLUTE (1 << 0) +#define SEEK_FACTOR (1 << 1) +#define SEEK_FORWARD (1 << 2) +#define SEEK_BACKWARD (1 << 3) + +// demux_lavf can pass lavf buffers using FF_INPUT_BUFFER_PADDING_SIZE instead +#define MP_INPUT_BUFFER_PADDING_SIZE 16 + +typedef struct demux_stream { + enum stream_type stream_type; + int buffer_pos; // current buffer position + int buffer_size; // current buffer size + unsigned char *buffer; // current buffer, never free() it, always use free_demux_packet(buffer_ref); + double pts; // current buffer's pts + int pts_bytes; // number of bytes read after last pts stamp + int eof; // end of demuxed stream? (true if all buffer empty) + off_t pos; // position in the input stream (file) + off_t dpos; // position in the demuxed stream + int pack_no; // serial number of packet + bool keyframe; // keyframe flag of current packet +//--------------- + int packs; // number of packets in buffer + int bytes; // total bytes of packets in buffer + demux_packet_t *first; // read to current buffer from here + demux_packet_t *last; // append new packets from input stream to here + demux_packet_t *current; // needed for refcounting of the buffer + int id; // stream ID (for multiple audio/video streams) + struct demuxer *demuxer; // parent demuxer structure (stream handler) +// ---- asf ----- + struct demux_packet *asf_packet; // read asf fragments here + int asf_seq; +// ---- mov ----- + unsigned int ss_mul, ss_div; +// ---- stream header ---- + void *sh; // points to sh_audio or sh_video +} demux_stream_t; + +typedef struct demuxer_info { + char *name; + char *author; + char *encoder; + char *comments; + char *copyright; +} demuxer_info_t; + +#define MAX_SH_STREAMS 256 +#define MAX_A_STREAMS MAX_SH_STREAMS +#define MAX_V_STREAMS MAX_SH_STREAMS +#define MAX_S_STREAMS MAX_SH_STREAMS + +struct demuxer; + +/** + * Demuxer description structure + */ +typedef struct demuxer_desc { + const char *info; // What is it (long name and/or description) + const char *name; // Demuxer name, used with -demuxer switch + const char *shortdesc; // Description printed at demuxer detection + const char *author; // Demuxer author(s) + const char *comment; // Comment, printed with -demuxer help + + enum demuxer_type type; + // If 1 detection is safe and fast, do it before file extension check + int safe_check; + + // Check if can demux the file, return DEMUXER_TYPE_xxx on success + // Mandatory if safe_check == 1, else optional + int (*check_file)(struct demuxer *demuxer); + /// Get packets from file, return 0 on eof. Mandatory + int (*fill_buffer)(struct demuxer *demuxer, struct demux_stream *ds); + /// Open the demuxer, return demuxer on success, NULL on failure + struct demuxer *(*open)(struct demuxer *demuxer); // Optional + /// Close the demuxer + void (*close)(struct demuxer *demuxer); // Optional + // Seek. Optional + void (*seek)(struct demuxer *demuxer, float rel_seek_secs, + float audio_delay, int flags); + // Various control functions. Optional + int (*control)(struct demuxer *demuxer, int cmd, void *arg); +} demuxer_desc_t; + +typedef struct demux_chapter +{ + uint64_t start, end; + char *name; +} demux_chapter_t; + +struct matroska_data { + unsigned char segment_uid[16]; + // Ordered chapter information if any + struct matroska_chapter { + uint64_t start; + uint64_t end; + bool has_segment_uid; + unsigned char segment_uid[16]; + char *name; + } *ordered_chapters; + int num_ordered_chapters; +}; + +typedef struct demux_attachment +{ + char *name; + char *type; + void *data; + unsigned int data_size; +} demux_attachment_t; + +struct demuxer_params { + unsigned char (*matroska_wanted_uids)[16]; +}; + +typedef struct demuxer { + const demuxer_desc_t *desc; ///< Demuxer description structure + const char *filetype; // format name when not identified by demuxer (libavformat) + off_t filepos; // input stream current pos. + off_t movi_start; + off_t movi_end; + struct stream *stream; + double stream_pts; // current stream pts, if applicable (e.g. dvd) + double reference_clock; + char *filename; // Needed by avs_check_file + int synced; // stream synced (used by mpeg) + enum demuxer_type type; + /* Normally the file_format field is just a copy of the type field above. + * There are 2 exceptions I noticed. Internal demux_avi may force + * ->type to DEMUXER_TYPE_AVI_[NI|NINI] while leaving ->file_format at + * DEMUXER_TYPE_AVI. Internal demux_mov may set ->type to + * DEMUXER_TYPE_PLAYLIST and also return that from the check function + * or not (looks potentially buggy). */ + enum demuxer_type file_format; + int seekable; // flag + /* Set if using absolute seeks for small movements is OK (no pts resets + * that would make pts ambigious, preferably supports back/forward flags */ + bool accurate_seek; + enum timestamp_type timestamp_type; + + struct demux_stream *ds[STREAM_TYPE_COUNT]; // video/audio/sub buffers + + // These correspond to ds[], e.g.: audio == ds[STREAM_AUDIO] + struct demux_stream *audio; // audio buffer/demuxer + struct demux_stream *video; // video buffer/demuxer + struct demux_stream *sub; // dvd subtitle buffer/demuxer + + // stream headers: + struct sh_audio *a_streams[MAX_SH_STREAMS]; + struct sh_video *v_streams[MAX_SH_STREAMS]; + struct sh_sub *s_streams[MAX_SH_STREAMS]; + + struct sh_stream **streams; + int num_streams; + + int num_editions; + int edition; + + struct demux_chapter *chapters; + int num_chapters; + + struct demux_attachment *attachments; + int num_attachments; + + struct matroska_data matroska_data; + // for trivial demuxers which just read the whole file for codec to use + struct bstr file_contents; + + void *priv; // demuxer-specific internal data + char **info; // metadata + struct MPOpts *opts; + struct demuxer_params *params; +} demuxer_t; + +typedef struct { + int progid; //program id + int aid, vid, sid; //audio, video and subtitle id +} demux_program_t; + +struct demux_packet *new_demux_packet(size_t len); +// data must already have suitable padding +struct demux_packet *new_demux_packet_fromdata(void *data, size_t len); +void resize_demux_packet(struct demux_packet *dp, size_t len); +struct demux_packet *clone_demux_packet(struct demux_packet *pack); +void free_demux_packet(struct demux_packet *dp); + +#ifndef SIZE_MAX +#define SIZE_MAX ((size_t)-1) +#endif + +static inline void *realloc_struct(void *ptr, size_t nmemb, size_t size) +{ + if (nmemb > SIZE_MAX / size) { + free(ptr); + return NULL; + } + return realloc(ptr, nmemb * size); +} + +struct demuxer *new_demuxer(struct MPOpts *opts, struct stream *stream, + int type, int a_id, int v_id, int s_id, + char *filename); +void free_demuxer(struct demuxer *demuxer); + +struct sh_stream *ds_gsh(struct demux_stream *ds); + +void ds_add_packet(struct demux_stream *ds, struct demux_packet *dp); +void ds_read_packet(struct demux_stream *ds, struct stream *stream, int len, + double pts, off_t pos, bool keyframe); + +int demux_fill_buffer(struct demuxer *demux, struct demux_stream *ds); +int ds_fill_buffer(struct demux_stream *ds); + +static inline off_t ds_tell(struct demux_stream *ds) +{ + return (ds->dpos - ds->buffer_size) + ds->buffer_pos; +} + +static inline int ds_tell_pts(struct demux_stream *ds) +{ + return (ds->pts_bytes - ds->buffer_size) + ds->buffer_pos; +} + +int demux_read_data(struct demux_stream *ds, unsigned char *mem, int len); +int demux_pattern_3(struct demux_stream *ds, unsigned char *mem, int maxlen, + int *read, uint32_t pattern); + +#define demux_peekc(ds) ( \ + (likely(ds->buffer_posbuffer_size)) ? ds->buffer[ds->buffer_pos] \ + : ((unlikely(!ds_fill_buffer(ds))) ? (-1) : ds->buffer[ds->buffer_pos])) +#define demux_getc(ds) ( \ + (likely(ds->buffer_posbuffer_size)) ? ds->buffer[ds->buffer_pos++] \ + : ((unlikely(!ds_fill_buffer(ds))) ? (-1) : ds->buffer[ds->buffer_pos++])) + +void ds_free_packs(struct demux_stream *ds); +int ds_get_packet(struct demux_stream *ds, unsigned char **start); +int ds_get_packet_pts(struct demux_stream *ds, unsigned char **start, + double *pts); +int ds_get_packet_sub(struct demux_stream *ds, unsigned char **start); +struct demux_packet *ds_get_packet2(struct demux_stream *ds, bool repeat_last); +double ds_get_next_pts(struct demux_stream *ds); +int ds_parse(struct demux_stream *sh, uint8_t **buffer, int *len, double pts, + off_t pos); +void ds_clear_parser(struct demux_stream *sh); + +static inline int avi_stream_id(unsigned int id) +{ + unsigned char a, b; + a = id - '0'; + b = (id >> 8) - '0'; + if (a>9 || b>9) + return 100; // invalid ID + return a * 10 + b; +} + +struct demuxer *demux_open(struct MPOpts *opts, struct stream *stream, + int file_format, int aid, int vid, int sid, + char *filename); + +struct demuxer *demux_open_withparams(struct MPOpts *opts, + struct stream *stream, int file_format, + char *force_format, int audio_id, + int video_id, int sub_id, char *filename, + struct demuxer_params *params); + +void demux_flush(struct demuxer *demuxer); +int demux_seek(struct demuxer *demuxer, float rel_seek_secs, float audio_delay, + int flags); + +// AVI demuxer params: +extern int index_mode; // -1=untouched 0=don't use index 1=use (generate) index +extern int force_ni; +extern int pts_from_bps; + +int demux_info_add(struct demuxer *demuxer, const char *opt, const char *param); +int demux_info_add_bstr(struct demuxer *demuxer, struct bstr opt, + struct bstr param); +char *demux_info_get(struct demuxer *demuxer, const char *opt); +int demux_info_print(struct demuxer *demuxer); +int demux_control(struct demuxer *demuxer, int cmd, void *arg); + +void demuxer_switch_track(struct demuxer *demuxer, enum stream_type type, + struct sh_stream *stream); + +int demuxer_type_by_filename(char *filename); + +void demuxer_help(void); + +int demuxer_add_attachment(struct demuxer *demuxer, struct bstr name, + struct bstr type, struct bstr data); +int demuxer_add_chapter(struct demuxer *demuxer, struct bstr name, + uint64_t start, uint64_t end); +int demuxer_seek_chapter(struct demuxer *demuxer, int chapter, + double *seek_pts); + +/// Get current chapter index if available. +int demuxer_get_current_chapter(struct demuxer *demuxer, double time_now); +/// Get chapter name by index if available. +char *demuxer_chapter_name(struct demuxer *demuxer, int chapter); +/// Get chapter start time and end time by index if available. +float demuxer_chapter_time(struct demuxer *demuxer, int chapter, float *end); +/// Get total chapter number. +int demuxer_chapter_count(struct demuxer *demuxer); +/// Get current angle index. +int demuxer_get_current_angle(struct demuxer *demuxer); +/// Set angle. +int demuxer_set_angle(struct demuxer *demuxer, int angle); +/// Get number of angles. +int demuxer_angles_count(struct demuxer *demuxer); + +struct sh_stream *demuxer_stream_by_demuxer_id(struct demuxer *d, + enum stream_type t, int id); + +#endif /* MPLAYER_DEMUXER_H */ -- cgit v1.2.3