1 #ifndef MPLAYER_DEMUXER_H
2 #define MPLAYER_DEMUXER_H
9 #include "stream/stream.h"
13 #ifdef HAVE_BUILTIN_EXPECT
14 #define likely(x) __builtin_expect ((x) != 0, 1)
15 #define unlikely(x) __builtin_expect ((x) != 0, 0)
18 #define unlikely(x) (x)
21 #define MAX_PACKS 4096
22 #define MAX_PACK_BYTES 0x8000000 // 128 MiB
24 #define DEMUXER_TYPE_UNKNOWN 0
25 #define DEMUXER_TYPE_MPEG_ES 1
26 #define DEMUXER_TYPE_MPEG_PS 2
27 #define DEMUXER_TYPE_AVI 3
28 #define DEMUXER_TYPE_AVI_NI 4
29 #define DEMUXER_TYPE_AVI_NINI 5
30 #define DEMUXER_TYPE_ASF 6
31 #define DEMUXER_TYPE_MOV 7
32 #define DEMUXER_TYPE_VIVO 8
33 #define DEMUXER_TYPE_TV 9
34 #define DEMUXER_TYPE_FLI 10
35 #define DEMUXER_TYPE_REAL 11
36 #define DEMUXER_TYPE_Y4M 12
37 #define DEMUXER_TYPE_NUV 13
38 #define DEMUXER_TYPE_FILM 14
39 #define DEMUXER_TYPE_ROQ 15
40 #define DEMUXER_TYPE_MF 16
41 #define DEMUXER_TYPE_AUDIO 17
42 #define DEMUXER_TYPE_OGG 18
43 #define DEMUXER_TYPE_RAWAUDIO 20
44 #define DEMUXER_TYPE_RTP 21
45 #define DEMUXER_TYPE_RAWDV 22
46 #define DEMUXER_TYPE_PVA 23
47 #define DEMUXER_TYPE_SMJPEG 24
48 #define DEMUXER_TYPE_XMMS 25
49 #define DEMUXER_TYPE_RAWVIDEO 26
50 #define DEMUXER_TYPE_MPEG4_ES 27
51 #define DEMUXER_TYPE_GIF 28
52 #define DEMUXER_TYPE_MPEG_TS 29
53 #define DEMUXER_TYPE_H264_ES 30
54 #define DEMUXER_TYPE_MATROSKA 31
55 #define DEMUXER_TYPE_REALAUDIO 32
56 #define DEMUXER_TYPE_MPEG_TY 33
57 #define DEMUXER_TYPE_LMLM4 34
58 #define DEMUXER_TYPE_LAVF 35
59 #define DEMUXER_TYPE_NSV 36
60 #define DEMUXER_TYPE_VQF 37
61 #define DEMUXER_TYPE_AVS 38
62 #define DEMUXER_TYPE_AAC 39
63 #define DEMUXER_TYPE_MPC 40
64 #define DEMUXER_TYPE_MPEG_PES 41
65 #define DEMUXER_TYPE_MPEG_GXF 42
66 #define DEMUXER_TYPE_NUT 43
67 #define DEMUXER_TYPE_LAVF_PREFERRED 44
68 #define DEMUXER_TYPE_RTP_NEMESI 45
70 // This should always match the higest demuxer type number.
71 // Unless you want to disallow users to force the demuxer to some types
72 #define DEMUXER_TYPE_MIN 0
73 #define DEMUXER_TYPE_MAX 45
75 #define DEMUXER_TYPE_DEMUXERS (1<<16)
76 // A virtual demuxer type for the network code
77 #define DEMUXER_TYPE_PLAYLIST (2<<16)
80 #define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
83 // DEMUXER control commands/answers
84 #define DEMUXER_CTRL_NOTIMPL -1
85 #define DEMUXER_CTRL_DONTKNOW 0
86 #define DEMUXER_CTRL_OK 1
87 #define DEMUXER_CTRL_GUESS 2
88 #define DEMUXER_CTRL_GET_TIME_LENGTH 10
89 #define DEMUXER_CTRL_GET_PERCENT_POS 11
90 #define DEMUXER_CTRL_SWITCH_AUDIO 12
91 #define DEMUXER_CTRL_RESYNC 13
92 #define DEMUXER_CTRL_SWITCH_VIDEO 14
93 #define DEMUXER_CTRL_IDENTIFY_PROGRAM 15
94 #define DEMUXER_CTRL_CORRECT_PTS 16
96 #define SEEK_ABSOLUTE (1 << 0)
97 #define SEEK_FACTOR (1 << 1)
99 #define MP_INPUT_BUFFER_PADDING_SIZE 8
101 // Holds one packet/frame/whatever
102 typedef struct demux_packet
{
107 off_t pos
; // position in index (AVI) or file (MPG)
108 unsigned char* buffer
;
109 int flags
; // keyframe, etc
110 int refcount
; //refcounter for the master packet, if 0, buffer can be free()d
111 struct demux_packet
*master
; //pointer to the master packet if this one is a cloned one
112 struct demux_packet
*next
;
115 typedef struct demux_stream
{
116 int buffer_pos
; // current buffer position
117 int buffer_size
; // current buffer size
118 unsigned char* buffer
; // current buffer, never free() it, always use free_demux_packet(buffer_ref);
119 double pts
; // current buffer's pts
120 int pts_bytes
; // number of bytes read after last pts stamp
121 int eof
; // end of demuxed stream? (true if all buffer empty)
122 off_t pos
; // position in the input stream (file)
123 off_t dpos
; // position in the demuxed stream
124 int pack_no
; // serial number of packet
125 int flags
; // flags of current packet (keyframe etc)
127 int packs
; // number of packets in buffer
128 int bytes
; // total bytes of packets in buffer
129 demux_packet_t
*first
; // read to current buffer from here
130 demux_packet_t
*last
; // append new packets from input stream to here
131 demux_packet_t
*current
;// needed for refcounting of the buffer
132 int id
; // stream ID (for multiple audio/video streams)
133 struct demuxer
*demuxer
; // parent demuxer structure (stream handler)
135 demux_packet_t
*asf_packet
; // read asf fragments here
138 unsigned int ss_mul
,ss_div
;
139 // ---- stream header ----
143 typedef struct demuxer_info
{
151 #define MAX_A_STREAMS 256
152 #define MAX_V_STREAMS 256
153 #define MAX_S_STREAMS 32
158 * Demuxer description structure
160 typedef struct demuxer_desc
{
161 const char *info
; ///< What is it (long name and/or description)
162 const char *name
; ///< Demuxer name, used with -demuxer switch
163 const char *shortdesc
; ///< Description printed at demuxer detection
164 const char *author
; ///< Demuxer author(s)
165 const char *comment
; ///< Comment, printed with -demuxer help
167 int type
; ///< DEMUXER_TYPE_xxx
168 int safe_check
; ///< If 1 detection is safe and fast, do it before file extension check
170 /// Check if can demux the file, return DEMUXER_TYPE_xxx on success
171 int (*check_file
)(struct demuxer
*demuxer
); ///< Mandatory if safe_check == 1, else optional
172 /// Get packets from file, return 0 on eof
173 int (*fill_buffer
)(struct demuxer
*demuxer
, demux_stream_t
*ds
); ///< Mandatory
174 /// Open the demuxer, return demuxer on success, NULL on failure
175 struct demuxer
* (*open
)(struct demuxer
*demuxer
); ///< Optional
176 /// Close the demuxer
177 void (*close
)(struct demuxer
*demuxer
); ///< Optional
179 void (*seek
)(struct demuxer
*demuxer
, float rel_seek_secs
, float audio_delay
, int flags
); ///< Optional
181 int (*control
)(struct demuxer
*demuxer
, int cmd
, void *arg
); ///< Optional
184 typedef struct demux_chapter
190 typedef struct demux_attachment
195 unsigned int data_size
;
196 } demux_attachment_t
;
198 typedef struct demuxer
{
199 const demuxer_desc_t
*desc
; ///< Demuxer description structure
200 off_t filepos
; // input stream current pos.
204 double stream_pts
; // current stream pts, if applicable (e.g. dvd)
205 double reference_clock
;
206 char *filename
; ///< Needed by avs_check_file
207 int synced
; // stream synced (used by mpeg)
208 int type
; // demuxer type: mpeg PS, mpeg ES, avi, avi-ni, avi-nini, asf
209 int file_format
; // file format: mpeg/avi/asf
210 int seekable
; // flag
212 demux_stream_t
*audio
; // audio buffer/demuxer
213 demux_stream_t
*video
; // video buffer/demuxer
214 demux_stream_t
*sub
; // dvd subtitle buffer/demuxer
217 struct sh_audio
*a_streams
[MAX_A_STREAMS
];
218 struct sh_video
*v_streams
[MAX_V_STREAMS
];
219 struct sh_sub
*s_streams
[MAX_S_STREAMS
];
221 demux_chapter_t
* chapters
;
224 demux_attachment_t
* attachments
;
227 void* priv
; // fileformat-dependent data
233 int progid
; //program id
234 int aid
, vid
, sid
; //audio, video and subtitle id
237 static inline demux_packet_t
* new_demux_packet(int len
){
238 demux_packet_t
* dp
=(demux_packet_t
*)malloc(sizeof(demux_packet_t
));
241 dp
->pts
=MP_NOPTS_VALUE
;
242 dp
->endpts
=MP_NOPTS_VALUE
;
243 dp
->stream_pts
= MP_NOPTS_VALUE
;
249 if (len
> 0 && (dp
->buffer
= (unsigned char *)malloc(len
+ MP_INPUT_BUFFER_PADDING_SIZE
)))
250 memset(dp
->buffer
+ len
, 0, 8);
256 static inline void resize_demux_packet(demux_packet_t
* dp
, int len
)
260 dp
->buffer
=(unsigned char *)realloc(dp
->buffer
,len
+8);
264 if(dp
->buffer
) free(dp
->buffer
);
269 memset(dp
->buffer
+ len
, 0, 8);
274 static inline demux_packet_t
* clone_demux_packet(demux_packet_t
* pack
){
275 demux_packet_t
* dp
=(demux_packet_t
*)malloc(sizeof(demux_packet_t
));
276 while(pack
->master
) pack
=pack
->master
; // find the master
277 memcpy(dp
,pack
,sizeof(demux_packet_t
));
285 static inline void free_demux_packet(demux_packet_t
* dp
){
286 if (dp
->master
==NULL
){ //dp is a master packet
288 if (dp
->refcount
==0){
289 if (dp
->buffer
) free(dp
->buffer
);
295 free_demux_packet(dp
->master
);
300 #define SIZE_MAX ((size_t)-1)
303 static inline void *realloc_struct(void *ptr
, size_t nmemb
, size_t size
) {
304 if (nmemb
> SIZE_MAX
/ size
) {
308 return realloc(ptr
, nmemb
* size
);
311 demux_stream_t
* new_demuxer_stream(struct demuxer
*demuxer
,int id
);
312 demuxer_t
* new_demuxer(struct MPOpts
*opts
, stream_t
*stream
,int type
,int a_id
,int v_id
,int s_id
,char *filename
);
313 void free_demuxer_stream(demux_stream_t
*ds
);
314 void free_demuxer(demuxer_t
*demuxer
);
316 void ds_add_packet(demux_stream_t
*ds
,demux_packet_t
* dp
);
317 void ds_read_packet(demux_stream_t
*ds
, stream_t
*stream
, int len
, double pts
, off_t pos
, int flags
);
319 int demux_fill_buffer(demuxer_t
*demux
,demux_stream_t
*ds
);
320 int ds_fill_buffer(demux_stream_t
*ds
);
322 static inline off_t
ds_tell(demux_stream_t
*ds
){
323 return (ds
->dpos
-ds
->buffer_size
)+ds
->buffer_pos
;
326 static inline int ds_tell_pts(demux_stream_t
*ds
){
327 return (ds
->pts_bytes
-ds
->buffer_size
)+ds
->buffer_pos
;
330 int demux_read_data(demux_stream_t
*ds
,unsigned char* mem
,int len
);
331 int demux_pattern_3(demux_stream_t
*ds
, unsigned char *mem
, int maxlen
,
332 int *read
, uint32_t pattern
);
334 #define demux_peekc(ds) (\
335 (likely(ds->buffer_pos<ds->buffer_size)) ? ds->buffer[ds->buffer_pos] \
336 :((unlikely(!ds_fill_buffer(ds)))? (-1) : ds->buffer[ds->buffer_pos] ) )
338 #define demux_getc(ds) (\
339 (likely(ds->buffer_pos<ds->buffer_size)) ? ds->buffer[ds->buffer_pos++] \
340 :((unlikely(!ds_fill_buffer(ds)))? (-1) : ds->buffer[ds->buffer_pos++] ) )
342 static inline int demux_getc(demux_stream_t
*ds
){
343 if(ds
->buffer_pos
>=ds
->buffer_size
){
344 if(!ds_fill_buffer(ds
)){
345 // printf("DEMUX_GETC: EOF reached!\n");
349 // printf("[%02X]",ds->buffer[ds->buffer_pos]);
350 return ds
->buffer
[ds
->buffer_pos
++];
354 void ds_free_packs(demux_stream_t
*ds
);
355 int ds_get_packet(demux_stream_t
*ds
,unsigned char **start
);
356 int ds_get_packet_pts(demux_stream_t
*ds
, unsigned char **start
, double *pts
);
357 int ds_get_packet_sub(demux_stream_t
*ds
,unsigned char **start
);
358 double ds_get_next_pts(demux_stream_t
*ds
);
360 // This is defined here because demux_stream_t ins't defined in stream.h
361 stream_t
* new_ds_stream(demux_stream_t
*ds
);
363 static inline int avi_stream_id(unsigned int id
){
364 unsigned char *p
=(unsigned char *)&id
;
367 a
=p
[3]-'0'; b
=p
[2]-'0';
369 a
=p
[0]-'0'; b
=p
[1]-'0';
371 if(a
>9 || b
>9) return 100; // invalid ID
375 demuxer_t
* demux_open(struct MPOpts
*opts
, stream_t
*stream
,int file_format
,int aid
,int vid
,int sid
,char* filename
);
376 void demux_flush(demuxer_t
*demuxer
);
377 int demux_seek(demuxer_t
*demuxer
,float rel_seek_secs
,float audio_delay
,int flags
);
378 demuxer_t
* new_demuxers_demuxer(demuxer_t
* vd
, demuxer_t
* ad
, demuxer_t
* sd
);
380 // AVI demuxer params:
381 extern int index_mode
; // -1=untouched 0=don't use index 1=use (geneate) index
382 extern char *index_file_save
, *index_file_load
;
384 extern int pts_from_bps
;
386 extern int extension_parsing
;
388 int demux_info_add(demuxer_t
*demuxer
, const char *opt
, const char *param
);
389 char* demux_info_get(demuxer_t
*demuxer
, const char *opt
);
390 int demux_info_print(demuxer_t
*demuxer
);
391 int demux_control(demuxer_t
*demuxer
, int cmd
, void *arg
);
393 #ifdef CONFIG_OGGVORBIS
394 /* Found in demux_ogg.c */
395 int demux_ogg_num_subs(demuxer_t
*demuxer
);
396 int demux_ogg_sub_id(demuxer_t
*demuxer
, int index
);
399 extern int demuxer_get_current_time(demuxer_t
*demuxer
);
400 extern double demuxer_get_time_length(demuxer_t
*demuxer
);
401 extern int demuxer_get_percent_pos(demuxer_t
*demuxer
);
402 extern int demuxer_switch_audio(demuxer_t
*demuxer
, int index
);
403 extern int demuxer_switch_video(demuxer_t
*demuxer
, int index
);
405 extern int demuxer_type_by_filename(char* filename
);
407 extern void demuxer_help(void);
408 extern int get_demuxer_type_from_name(char *demuxer_name
, int *force
);
410 int demuxer_add_attachment(demuxer_t
* demuxer
, const char* name
,
411 const char* type
, const void* data
, size_t size
);
413 int demuxer_add_chapter(demuxer_t
* demuxer
, const char* name
, uint64_t start
, uint64_t end
);
414 int demuxer_seek_chapter(demuxer_t
*demuxer
, int chapter
, int mode
, float *seek_pts
, int *num_chapters
, char **chapter_name
);
416 /// Get current chapter index if available.
417 int demuxer_get_current_chapter(demuxer_t
*demuxer
);
418 /// Get chapter name by index if available.
419 char *demuxer_chapter_name(demuxer_t
*demuxer
, int chapter
);
420 /// Get chapter display name by index.
421 char *demuxer_chapter_display_name(demuxer_t
*demuxer
, int chapter
);
422 /// Get chapter start time and end time by index if available.
423 float demuxer_chapter_time(demuxer_t
*demuxer
, int chapter
, float *end
);
424 /// Get total chapter number.
425 int demuxer_chapter_count(demuxer_t
*demuxer
);
426 /// Get current angle index.
427 int demuxer_get_current_angle(demuxer_t
*demuxer
);
429 int demuxer_set_angle(demuxer_t
*demuxer
, int angle
);
430 /// Get number of angles.
431 int demuxer_angles_count(demuxer_t
*demuxer
);
433 // get the index of a track
434 // lang is a comma-separated list
435 int demuxer_audio_track_by_lang(demuxer_t
* demuxer
, char* lang
);
436 int demuxer_sub_track_by_lang(demuxer_t
* demuxer
, char* lang
);
438 // find the default track
439 // for subtitles, it is the first track with default attribute
440 // for audio, additionally, the first track is selected if no track has default attribute set
441 int demuxer_default_audio_track(demuxer_t
* d
);
442 int demuxer_default_sub_track(demuxer_t
* d
);
444 #endif /* MPLAYER_DEMUXER_H */