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[handbrake-jp/handbrake-jp-git.git] / libhb / internal.h
1 /* $Id: internal.h,v 1.41 2005/11/25 15:05:25 titer Exp $
2
3    This file is part of the HandBrake source code.
4    Homepage: <http://handbrake.fr/>.
5    It may be used under the terms of the GNU General Public License. */
6
7 /***********************************************************************
8  * common.c
9  **********************************************************************/
10 void hb_log( char * log, ... ) HB_WPRINTF(1,2);
11 extern int global_verbosity_level; // Global variable for hb_deep_log
12 typedef enum hb_debug_level_s
13 {
14     HB_SUPPORT_LOG      = 1, // helpful in tech support
15     HB_HOUSEKEEPING_LOG = 2, // stuff we hate scrolling through  
16     HB_GRANULAR_LOG     = 3  // sample-by-sample
17 } hb_debug_level_t;
18 void hb_deep_log( hb_debug_level_t level, char * log, ... ) HB_WPRINTF(2,3);
19 void hb_error( char * fmt, ...) HB_WPRINTF(1,2);
20
21 int  hb_list_bytes( hb_list_t * );
22 void hb_list_seebytes( hb_list_t * l, uint8_t * dst, int size );
23 void hb_list_getbytes( hb_list_t * l, uint8_t * dst, int size,
24                        uint64_t * pts, uint64_t * pos );
25 void hb_list_empty( hb_list_t ** );
26
27 hb_title_t * hb_title_init( char * dvd, int index );
28 void         hb_title_close( hb_title_t ** );
29
30 void         hb_filter_close( hb_filter_object_t ** );
31
32 /***********************************************************************
33  * hb.c
34  **********************************************************************/
35 int  hb_get_pid( hb_handle_t * );
36 void hb_set_state( hb_handle_t *, hb_state_t * );
37
38 /***********************************************************************
39  * fifo.c
40  **********************************************************************/
41 struct hb_buffer_s
42 {
43     int           size;
44     int           alloc;
45     uint8_t *     data;
46     int           cur;
47
48     int64_t       sequence;
49
50     int           id;
51     int64_t       start;
52     int64_t       stop;
53     int           new_chap;
54
55 #define HB_FRAME_IDR    0x01
56 #define HB_FRAME_I      0x02
57 #define HB_FRAME_AUDIO  0x04
58 #define HB_FRAME_P      0x10
59 #define HB_FRAME_B      0x20
60 #define HB_FRAME_BREF   0x40
61 #define HB_FRAME_KEY    0x0F
62 #define HB_FRAME_REF    0xF0
63     uint8_t       frametype;
64     uint16_t       flags;
65
66     /* Holds the output PTS from x264, for use by b-frame offsets in muxmp4.c */
67     int64_t     renderOffset;
68
69     int           x;
70     int           y;
71     int           width;
72     int           height;
73
74     hb_buffer_t * sub;
75
76     hb_buffer_t * next;
77 };
78
79 void hb_buffer_pool_init( void );
80 void hb_buffer_pool_free( void );
81
82 hb_buffer_t * hb_buffer_init( int size );
83 void          hb_buffer_realloc( hb_buffer_t *, int size );
84 void          hb_buffer_close( hb_buffer_t ** );
85 void          hb_buffer_copy_settings( hb_buffer_t * dst,
86                                        const hb_buffer_t * src );
87
88 hb_fifo_t   * hb_fifo_init( int capacity, int thresh );
89 int           hb_fifo_size( hb_fifo_t * );
90 int           hb_fifo_size_bytes( hb_fifo_t * );
91 int           hb_fifo_is_full( hb_fifo_t * );
92 float         hb_fifo_percent_full( hb_fifo_t * f );
93 hb_buffer_t * hb_fifo_get( hb_fifo_t * );
94 hb_buffer_t * hb_fifo_get_wait( hb_fifo_t * );
95 hb_buffer_t * hb_fifo_see( hb_fifo_t * );
96 hb_buffer_t * hb_fifo_see_wait( hb_fifo_t * );
97 hb_buffer_t * hb_fifo_see2( hb_fifo_t * );
98 void          hb_fifo_push( hb_fifo_t *, hb_buffer_t * );
99 void          hb_fifo_push_wait( hb_fifo_t *, hb_buffer_t * );
100 int           hb_fifo_full_wait( hb_fifo_t * f );
101 void          hb_fifo_push_head( hb_fifo_t *, hb_buffer_t * );
102 void          hb_fifo_close( hb_fifo_t ** );
103 void          hb_fifo_flush( hb_fifo_t * f );
104
105 // this routine gets a buffer for an uncompressed YUV420 video frame
106 // with dimensions width x height.
107 static inline hb_buffer_t * hb_video_buffer_init( int width, int height )
108 {
109     // Y requires w x h bytes. U & V each require (w+1)/2 x
110     // (h+1)/2 bytes (the "+1" is to round up). We shift rather
111     // than divide by 2 since the compiler can't know these ints
112     // are positive so it generates very expensive integer divides
113     // if we do "/2". The code here matches the calculation for
114     // PIX_FMT_YUV420P in ffmpeg's avpicture_fill() which is required
115     // for most of HB's filters to work right.
116     return hb_buffer_init( width * height + ( ( width+1 ) >> 1 ) *
117                            ( ( height+1 ) >> 1 ) * 2 );
118 }
119
120 // this routine 'moves' data from src to dst by interchanging 'data',
121 // 'size' & 'alloc' between them and copying the rest of the fields
122 // from src to dst.
123 static inline void hb_buffer_swap_copy( hb_buffer_t *src, hb_buffer_t *dst )
124 {
125     uint8_t *data  = dst->data;
126     int      size  = dst->size;
127     int      alloc = dst->alloc;
128
129     *dst = *src;
130
131     src->data  = data;
132     src->size  = size;
133     src->alloc = alloc;
134 }
135
136 /***********************************************************************
137  * Threads: update.c, scan.c, work.c, reader.c, muxcommon.c
138  **********************************************************************/
139 hb_thread_t * hb_update_init( int * build, char * version );
140 hb_thread_t * hb_scan_init( hb_handle_t *, volatile int * die, 
141                             const char * path, int title_index, 
142                             hb_list_t * list_title, int preview_count, 
143                             int store_previews );
144 hb_thread_t * hb_work_init( hb_list_t * jobs, int cpu_count,
145                             volatile int * die, int * error, hb_job_t ** job );
146 hb_thread_t  * hb_reader_init( hb_job_t * );
147 hb_work_object_t * hb_muxer_init( hb_job_t * );
148 hb_work_object_t * hb_get_work( int );
149 hb_work_object_t * hb_codec_decoder( int );
150 hb_work_object_t * hb_codec_encoder( int );
151
152 /***********************************************************************
153  * sync.c
154  **********************************************************************/
155 hb_work_object_t * hb_sync_init( hb_job_t * job );
156
157 /***********************************************************************
158  * mpegdemux.c
159  **********************************************************************/
160 typedef struct {
161     int64_t last_scr;       /* unadjusted SCR from most recent pack */
162     int64_t last_pts;       /* last pts we saw */
163     int     scr_changes;    /* number of SCR discontinuities */
164     int     dts_drops;      /* number of drops because DTS too far from SCR */
165 } hb_psdemux_t;
166
167 typedef int (*hb_muxer_t)(hb_buffer_t *, hb_list_t *, hb_psdemux_t*);
168
169 int hb_demux_ps( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
170 int hb_demux_ss( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
171 int hb_demux_null( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
172
173 extern const hb_muxer_t hb_demux[];
174
175 /***********************************************************************
176  * decmetadata.c
177  **********************************************************************/
178 extern void decmetadata( hb_title_t *title );
179
180 /***********************************************************************
181  * batch.c
182  **********************************************************************/
183 typedef struct hb_batch_s hb_batch_t;
184
185 hb_batch_t  * hb_batch_init( char * path );
186 void          hb_batch_close( hb_batch_t ** _d );
187 int           hb_batch_title_count( hb_batch_t * d );
188 hb_title_t  * hb_batch_title_scan( hb_batch_t * d, int t );
189
190 /***********************************************************************
191  * dvd.c
192  **********************************************************************/
193 typedef union  hb_dvd_s hb_dvd_t;
194 typedef struct hb_stream_s hb_stream_t;
195
196 hb_dvd_t *   hb_dvd_init( char * path );
197 int          hb_dvd_title_count( hb_dvd_t * );
198 hb_title_t * hb_dvd_title_scan( hb_dvd_t *, int title );
199 int          hb_dvd_start( hb_dvd_t *, hb_title_t *title, int chapter );
200 void         hb_dvd_stop( hb_dvd_t * );
201 int          hb_dvd_seek( hb_dvd_t *, float );
202 int          hb_dvd_read( hb_dvd_t *, hb_buffer_t * );
203 int          hb_dvd_chapter( hb_dvd_t * );
204 int          hb_dvd_is_break( hb_dvd_t * d );
205 void         hb_dvd_close( hb_dvd_t ** );
206 int          hb_dvd_angle_count( hb_dvd_t * d );
207 void         hb_dvd_set_angle( hb_dvd_t * d, int angle );
208
209 hb_stream_t * hb_stream_open( char * path, hb_title_t *title );
210 void             hb_stream_close( hb_stream_t ** );
211 hb_title_t * hb_stream_title_scan( hb_stream_t *);
212 int          hb_stream_read( hb_stream_t *, hb_buffer_t *);
213 int          hb_stream_seek( hb_stream_t *, float );
214 int          hb_stream_seek_ts( hb_stream_t * stream, int64_t ts );
215 int          hb_stream_seek_chapter( hb_stream_t *, int );
216 int          hb_stream_chapter( hb_stream_t * );
217
218
219 void       * hb_ffmpeg_context( int codec_param );
220 void       * hb_ffmpeg_avstream( int codec_param );
221
222 /***********************************************************************
223  * Work objects
224  **********************************************************************/
225 #define HB_CONFIG_MAX_SIZE 8192
226 union hb_esconfig_u
227 {
228
229     struct
230     {
231         uint8_t bytes[HB_CONFIG_MAX_SIZE];
232         int     length;
233     } mpeg4;
234
235         struct
236         {
237             uint8_t  sps[HB_CONFIG_MAX_SIZE];
238             int       sps_length;
239             uint8_t  pps[HB_CONFIG_MAX_SIZE];
240             int       pps_length;
241         uint32_t init_delay;
242         } h264;
243
244     struct
245     {
246         uint8_t headers[3][HB_CONFIG_MAX_SIZE];
247     } theora;
248
249     struct
250     {
251         uint8_t bytes[HB_CONFIG_MAX_SIZE];
252         int     length;
253     } aac;
254
255     struct
256     {
257         uint8_t headers[3][HB_CONFIG_MAX_SIZE];
258         char *language;
259     } vorbis;
260
261     struct
262     {
263         /* ac3flags stores the flags from the AC3 source, as found in scan.c */
264         int     ac3flags;
265         // next two items are used by the bsinfo routine to accumulate small
266         // frames until we have enough to validate the crc.
267         int     len;        // space currently used in 'buf'
268         uint8_t buf[HB_CONFIG_MAX_SIZE-sizeof(int)];
269     } a52;
270
271     struct
272     {
273         /* dcaflags stores the flags from the DCA source, as found in scan.c */
274         int  dcaflags;
275     } dca;
276
277 };
278
279 enum
280 {
281     WORK_SYNC_VIDEO = 1,
282     WORK_SYNC_AUDIO,
283     WORK_DECMPEG2,
284     WORK_DECCC608,
285     WORK_DECVOBSUB,
286     WORK_DECSRTSUB,
287     WORK_ENCVOBSUB,
288     WORK_RENDER,
289     WORK_ENCAVCODEC,
290     WORK_ENCX264,
291     WORK_ENCTHEORA,
292     WORK_DECA52,
293     WORK_DECDCA,
294     WORK_DECAVCODEC,
295     WORK_DECAVCODECV,
296     WORK_DECAVCODECVI,
297     WORK_DECAVCODECAI,
298     WORK_DECLPCM,
299     WORK_ENCFAAC,
300     WORK_ENCLAME,
301     WORK_ENCVORBIS,
302     WORK_ENC_CA_AAC,
303     WORK_MUX
304 };
305
306 enum
307 {
308     FILTER_DEINTERLACE = 1,
309     FILTER_DEBLOCK,
310     FILTER_DENOISE,
311     FILTER_DETELECINE,
312     FILTER_DECOMB,
313     FILTER_ROTATE
314 };
315
316 extern hb_work_object_t * hb_objects;
317
318 #define HB_WORK_IDLE     0
319 #define HB_WORK_OK       1
320 #define HB_WORK_ERROR    2
321 #define HB_WORK_DONE     3
322
323 /***********************************************************************
324  * Muxers
325  **********************************************************************/
326 typedef struct hb_mux_object_s hb_mux_object_t;
327 typedef struct hb_mux_data_s   hb_mux_data_t;
328
329 #define HB_MUX_COMMON \
330     int (*init)      ( hb_mux_object_t * ); \
331     int (*mux)       ( hb_mux_object_t *, hb_mux_data_t *, \
332                        hb_buffer_t * ); \
333     int (*end)       ( hb_mux_object_t * );
334
335 #define DECLARE_MUX( a ) \
336     hb_mux_object_t  * hb_mux_##a##_init( hb_job_t * );
337
338 DECLARE_MUX( mp4 );
339 DECLARE_MUX( avi );
340 DECLARE_MUX( ogm );
341 DECLARE_MUX( mkv );
342