1 #ifndef MPLAYER_DEMUXER_H
2 #define MPLAYER_DEMUXER_H
10 #include "stream/stream.h"
14 #ifdef HAVE_BUILTIN_EXPECT
15 #define likely(x) __builtin_expect ((x) != 0, 1)
16 #define unlikely(x) __builtin_expect ((x) != 0, 0)
19 #define unlikely(x) (x)
22 #define MAX_PACKS 4096
23 #define MAX_PACK_BYTES 0x8000000 // 128 MiB
25 #define DEMUXER_TYPE_UNKNOWN 0
26 #define DEMUXER_TYPE_MPEG_ES 1
27 #define DEMUXER_TYPE_MPEG_PS 2
28 #define DEMUXER_TYPE_AVI 3
29 #define DEMUXER_TYPE_AVI_NI 4
30 #define DEMUXER_TYPE_AVI_NINI 5
31 #define DEMUXER_TYPE_ASF 6
32 #define DEMUXER_TYPE_MOV 7
33 #define DEMUXER_TYPE_VIVO 8
34 #define DEMUXER_TYPE_TV 9
35 #define DEMUXER_TYPE_FLI 10
36 #define DEMUXER_TYPE_REAL 11
37 #define DEMUXER_TYPE_Y4M 12
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
69 #define DEMUXER_TYPE_MNG 46
71 // This should always match the higest demuxer type number.
72 // Unless you want to disallow users to force the demuxer to some types
73 #define DEMUXER_TYPE_MIN 0
74 #define DEMUXER_TYPE_MAX 46
76 #define DEMUXER_TYPE_DEMUXERS (1<<16)
77 // A virtual demuxer type for the network code
78 #define DEMUXER_TYPE_PLAYLIST (2<<16)
81 #define MP_NOPTS_VALUE (-1LL<<63) //both int64_t and double should be able to represent this exactly
84 // DEMUXER control commands/answers
85 #define DEMUXER_CTRL_NOTIMPL -1
86 #define DEMUXER_CTRL_DONTKNOW 0
87 #define DEMUXER_CTRL_OK 1
88 #define DEMUXER_CTRL_GUESS 2
89 #define DEMUXER_CTRL_GET_TIME_LENGTH 10
90 #define DEMUXER_CTRL_GET_PERCENT_POS 11
91 #define DEMUXER_CTRL_SWITCH_AUDIO 12
92 #define DEMUXER_CTRL_RESYNC 13
93 #define DEMUXER_CTRL_SWITCH_VIDEO 14
94 #define DEMUXER_CTRL_IDENTIFY_PROGRAM 15
95 #define DEMUXER_CTRL_CORRECT_PTS 16
97 #define SEEK_ABSOLUTE (1 << 0)
98 #define SEEK_FACTOR (1 << 1)
99 #define SEEK_FORWARD (1 << 2)
100 #define SEEK_BACKWARD (1 << 3)
102 #define MP_INPUT_BUFFER_PADDING_SIZE 8
104 // Holds one packet/frame/whatever
105 typedef struct demux_packet
{
110 off_t pos
; // position in index (AVI) or file (MPG)
111 unsigned char* buffer
;
112 int flags
; // keyframe, etc
113 int refcount
; //refcounter for the master packet, if 0, buffer can be free()d
114 struct demux_packet
*master
; //pointer to the master packet if this one is a cloned one
115 struct demux_packet
*next
;
118 typedef struct demux_stream
{
119 int buffer_pos
; // current buffer position
120 int buffer_size
; // current buffer size
121 unsigned char* buffer
; // current buffer, never free() it, always use free_demux_packet(buffer_ref);
122 double pts
; // current buffer's pts
123 int pts_bytes
; // number of bytes read after last pts stamp
124 int eof
; // end of demuxed stream? (true if all buffer empty)
125 off_t pos
; // position in the input stream (file)
126 off_t dpos
; // position in the demuxed stream
127 int pack_no
; // serial number of packet
128 int flags
; // flags of current packet (keyframe etc)
130 int packs
; // number of packets in buffer
131 int bytes
; // total bytes of packets in buffer
132 demux_packet_t
*first
; // read to current buffer from here
133 demux_packet_t
*last
; // append new packets from input stream to here
134 demux_packet_t
*current
;// needed for refcounting of the buffer
135 int id
; // stream ID (for multiple audio/video streams)
136 struct demuxer
*demuxer
; // parent demuxer structure (stream handler)
138 demux_packet_t
*asf_packet
; // read asf fragments here
141 unsigned int ss_mul
,ss_div
;
142 // ---- stream header ----
146 typedef struct demuxer_info
{
154 #define MAX_A_STREAMS 256
155 #define MAX_V_STREAMS 256
156 #define MAX_S_STREAMS 256
161 * Demuxer description structure
163 typedef struct demuxer_desc
{
164 const char *info
; ///< What is it (long name and/or description)
165 const char *name
; ///< Demuxer name, used with -demuxer switch
166 const char *shortdesc
; ///< Description printed at demuxer detection
167 const char *author
; ///< Demuxer author(s)
168 const char *comment
; ///< Comment, printed with -demuxer help
170 int type
; ///< DEMUXER_TYPE_xxx
171 int safe_check
; ///< If 1 detection is safe and fast, do it before file extension check
173 /// Check if can demux the file, return DEMUXER_TYPE_xxx on success
174 int (*check_file
)(struct demuxer
*demuxer
); ///< Mandatory if safe_check == 1, else optional
175 /// Get packets from file, return 0 on eof
176 int (*fill_buffer
)(struct demuxer
*demuxer
, demux_stream_t
*ds
); ///< Mandatory
177 /// Open the demuxer, return demuxer on success, NULL on failure
178 struct demuxer
* (*open
)(struct demuxer
*demuxer
); ///< Optional
179 /// Close the demuxer
180 void (*close
)(struct demuxer
*demuxer
); ///< Optional
182 void (*seek
)(struct demuxer
*demuxer
, float rel_seek_secs
, float audio_delay
, int flags
); ///< Optional
184 int (*control
)(struct demuxer
*demuxer
, int cmd
, void *arg
); ///< Optional
187 typedef struct demux_chapter
193 struct matroska_data
{
194 unsigned char segment_uid
[16];
195 // Ordered chapter information if any
196 struct matroska_chapter
{
199 bool has_segment_uid
;
200 unsigned char segment_uid
[16];
203 int num_ordered_chapters
;
206 typedef struct demux_attachment
211 unsigned int data_size
;
212 } demux_attachment_t
;
214 typedef struct demuxer
{
215 const demuxer_desc_t
*desc
; ///< Demuxer description structure
216 off_t filepos
; // input stream current pos.
220 double stream_pts
; // current stream pts, if applicable (e.g. dvd)
221 double reference_clock
;
222 char *filename
; ///< Needed by avs_check_file
223 int synced
; // stream synced (used by mpeg)
224 int type
; // demuxer type: mpeg PS, mpeg ES, avi, avi-ni, avi-nini, asf
225 int file_format
; // file format: mpeg/avi/asf
226 int seekable
; // flag
227 /* Set if using absolute seeks for small movements is OK (no pts resets
228 * that would make pts ambigious, preferably supports back/forward flags */
231 demux_stream_t
*audio
; // audio buffer/demuxer
232 demux_stream_t
*video
; // video buffer/demuxer
233 demux_stream_t
*sub
; // dvd subtitle buffer/demuxer
236 struct sh_audio
*a_streams
[MAX_A_STREAMS
];
237 struct sh_video
*v_streams
[MAX_V_STREAMS
];
238 struct sh_sub
*s_streams
[MAX_S_STREAMS
];
240 demux_chapter_t
* chapters
;
243 demux_attachment_t
* attachments
;
246 struct matroska_data matroska_data
;
248 void* priv
; // fileformat-dependent data
254 int progid
; //program id
255 int aid
, vid
, sid
; //audio, video and subtitle id
258 static inline demux_packet_t
* new_demux_packet(int len
){
259 demux_packet_t
* dp
=(demux_packet_t
*)malloc(sizeof(demux_packet_t
));
262 dp
->pts
=MP_NOPTS_VALUE
;
263 dp
->endpts
=MP_NOPTS_VALUE
;
264 dp
->stream_pts
= MP_NOPTS_VALUE
;
270 if (len
> 0 && (dp
->buffer
= (unsigned char *)malloc(len
+ MP_INPUT_BUFFER_PADDING_SIZE
)))
271 memset(dp
->buffer
+ len
, 0, 8);
277 static inline void resize_demux_packet(demux_packet_t
* dp
, int len
)
281 dp
->buffer
=(unsigned char *)realloc(dp
->buffer
,len
+8);
285 if(dp
->buffer
) free(dp
->buffer
);
290 memset(dp
->buffer
+ len
, 0, 8);
295 static inline demux_packet_t
* clone_demux_packet(demux_packet_t
* pack
){
296 demux_packet_t
* dp
=(demux_packet_t
*)malloc(sizeof(demux_packet_t
));
297 while(pack
->master
) pack
=pack
->master
; // find the master
298 memcpy(dp
,pack
,sizeof(demux_packet_t
));
306 static inline void free_demux_packet(demux_packet_t
* dp
){
307 if (dp
->master
==NULL
){ //dp is a master packet
309 if (dp
->refcount
==0){
310 if (dp
->buffer
) free(dp
->buffer
);
316 free_demux_packet(dp
->master
);
321 #define SIZE_MAX ((size_t)-1)
324 static inline void *realloc_struct(void *ptr
, size_t nmemb
, size_t size
) {
325 if (nmemb
> SIZE_MAX
/ size
) {
329 return realloc(ptr
, nmemb
* size
);
332 demux_stream_t
* new_demuxer_stream(struct demuxer
*demuxer
,int id
);
333 demuxer_t
* new_demuxer(struct MPOpts
*opts
, stream_t
*stream
,int type
,int a_id
,int v_id
,int s_id
,char *filename
);
334 void free_demuxer_stream(demux_stream_t
*ds
);
335 void free_demuxer(demuxer_t
*demuxer
);
337 void ds_add_packet(demux_stream_t
*ds
,demux_packet_t
* dp
);
338 void ds_read_packet(demux_stream_t
*ds
, stream_t
*stream
, int len
, double pts
, off_t pos
, int flags
);
340 int demux_fill_buffer(demuxer_t
*demux
,demux_stream_t
*ds
);
341 int ds_fill_buffer(demux_stream_t
*ds
);
343 static inline off_t
ds_tell(demux_stream_t
*ds
){
344 return (ds
->dpos
-ds
->buffer_size
)+ds
->buffer_pos
;
347 static inline int ds_tell_pts(demux_stream_t
*ds
){
348 return (ds
->pts_bytes
-ds
->buffer_size
)+ds
->buffer_pos
;
351 int demux_read_data(demux_stream_t
*ds
,unsigned char* mem
,int len
);
352 int demux_pattern_3(demux_stream_t
*ds
, unsigned char *mem
, int maxlen
,
353 int *read
, uint32_t pattern
);
355 #define demux_peekc(ds) (\
356 (likely(ds->buffer_pos<ds->buffer_size)) ? ds->buffer[ds->buffer_pos] \
357 :((unlikely(!ds_fill_buffer(ds)))? (-1) : ds->buffer[ds->buffer_pos] ) )
359 #define demux_getc(ds) (\
360 (likely(ds->buffer_pos<ds->buffer_size)) ? ds->buffer[ds->buffer_pos++] \
361 :((unlikely(!ds_fill_buffer(ds)))? (-1) : ds->buffer[ds->buffer_pos++] ) )
363 static inline int demux_getc(demux_stream_t
*ds
){
364 if(ds
->buffer_pos
>=ds
->buffer_size
){
365 if(!ds_fill_buffer(ds
)){
366 // printf("DEMUX_GETC: EOF reached!\n");
370 // printf("[%02X]",ds->buffer[ds->buffer_pos]);
371 return ds
->buffer
[ds
->buffer_pos
++];
375 void ds_free_packs(demux_stream_t
*ds
);
376 int ds_get_packet(demux_stream_t
*ds
,unsigned char **start
);
377 int ds_get_packet_pts(demux_stream_t
*ds
, unsigned char **start
, double *pts
);
378 int ds_get_packet_sub(demux_stream_t
*ds
,unsigned char **start
);
379 double ds_get_next_pts(demux_stream_t
*ds
);
381 // This is defined here because demux_stream_t ins't defined in stream.h
382 stream_t
* new_ds_stream(demux_stream_t
*ds
);
384 static inline int avi_stream_id(unsigned int id
){
385 unsigned char *p
=(unsigned char *)&id
;
387 #ifdef WORDS_BIGENDIAN
388 a
=p
[3]-'0'; b
=p
[2]-'0';
390 a
=p
[0]-'0'; b
=p
[1]-'0';
392 if(a
>9 || b
>9) return 100; // invalid ID
396 demuxer_t
* demux_open(struct MPOpts
*opts
, stream_t
*stream
,int file_format
,int aid
,int vid
,int sid
,char* filename
);
397 void demux_flush(demuxer_t
*demuxer
);
398 int demux_seek(demuxer_t
*demuxer
,float rel_seek_secs
,float audio_delay
,int flags
);
399 demuxer_t
* new_demuxers_demuxer(demuxer_t
* vd
, demuxer_t
* ad
, demuxer_t
* sd
);
401 // AVI demuxer params:
402 extern int index_mode
; // -1=untouched 0=don't use index 1=use (geneate) index
403 extern char *index_file_save
, *index_file_load
;
405 extern int pts_from_bps
;
407 extern int extension_parsing
;
409 int demux_info_add(demuxer_t
*demuxer
, const char *opt
, const char *param
);
410 char* demux_info_get(demuxer_t
*demuxer
, const char *opt
);
411 int demux_info_print(demuxer_t
*demuxer
);
412 int demux_control(demuxer_t
*demuxer
, int cmd
, void *arg
);
414 #ifdef CONFIG_OGGVORBIS
415 /* Found in demux_ogg.c */
416 int demux_ogg_num_subs(demuxer_t
*demuxer
);
417 int demux_ogg_sub_id(demuxer_t
*demuxer
, int index
);
420 int demuxer_get_current_time(demuxer_t
*demuxer
);
421 double demuxer_get_time_length(demuxer_t
*demuxer
);
422 int demuxer_get_percent_pos(demuxer_t
*demuxer
);
423 int demuxer_switch_audio(demuxer_t
*demuxer
, int index
);
424 int demuxer_switch_video(demuxer_t
*demuxer
, int index
);
426 int demuxer_type_by_filename(char* filename
);
428 void demuxer_help(void);
429 int get_demuxer_type_from_name(char *demuxer_name
, int *force
);
431 int demuxer_add_attachment(demuxer_t
* demuxer
, const char* name
,
432 const char* type
, const void* data
, size_t size
);
434 int demuxer_add_chapter(demuxer_t
* demuxer
, const char* name
, uint64_t start
, uint64_t end
);
435 int demuxer_seek_chapter(demuxer_t
*demuxer
, int chapter
, double *seek_pts
,
436 char **chapter_name
);
438 /// Get current chapter index if available.
439 int demuxer_get_current_chapter(demuxer_t
*demuxer
);
440 /// Get chapter name by index if available.
441 char *demuxer_chapter_name(demuxer_t
*demuxer
, int chapter
);
442 /// Get chapter display name by index.
443 char *demuxer_chapter_display_name(demuxer_t
*demuxer
, int chapter
);
444 /// Get chapter start time and end time by index if available.
445 float demuxer_chapter_time(demuxer_t
*demuxer
, int chapter
, float *end
);
446 /// Get total chapter number.
447 int demuxer_chapter_count(demuxer_t
*demuxer
);
448 /// Get current angle index.
449 int demuxer_get_current_angle(demuxer_t
*demuxer
);
451 int demuxer_set_angle(demuxer_t
*demuxer
, int angle
);
452 /// Get number of angles.
453 int demuxer_angles_count(demuxer_t
*demuxer
);
455 // get the index of a track
456 // lang is a comma-separated list
457 int demuxer_audio_track_by_lang(demuxer_t
* demuxer
, char* lang
);
458 int demuxer_sub_track_by_lang(demuxer_t
* demuxer
, char* lang
);
460 // find the default track
461 // for subtitles, it is the first track with default attribute
462 // for audio, additionally, the first track is selected if no track has default attribute set
463 int demuxer_default_audio_track(demuxer_t
* d
);
464 int demuxer_default_sub_track(demuxer_t
* d
);
466 #endif /* MPLAYER_DEMUXER_H */