1 /* $Id: internal.h,v 1.41 2005/11/25 15:05:25 titer Exp $
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. */
7 /***********************************************************************
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
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
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);
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 ** );
27 hb_title_t * hb_title_init( char * dvd, int index );
28 void hb_title_close( hb_title_t ** );
30 void hb_filter_close( hb_filter_object_t ** );
32 /***********************************************************************
34 **********************************************************************/
35 int hb_get_pid( hb_handle_t * );
36 void hb_set_state( hb_handle_t *, hb_state_t * );
38 /***********************************************************************
40 **********************************************************************/
42 * Holds a packet of data that is moving through the transcoding process.
44 * May have metadata associated with it via extra fields
45 * that are conditionally used depending on the type of packet.
49 int size; // size of this packet
50 int alloc; // used internally by the packet allocator (hb_buffer_init)
51 uint8_t * data; // packet data
52 int cur; // used internally by packet lists (hb_list_t)
55 * Corresponds to the order that this packet was read from the demuxer.
57 * It is important that video decoder work-objects pass this value through
58 * from their input packets to the output packets they generate. Otherwise
59 * RENDERSUB subtitles (especially VOB subtitles) will break.
61 * Subtitle decoder work-objects that output a renderable subtitle
62 * format (ex: PICTURESUB) must also be careful to pass the sequence number
63 * through for the same reason.
67 enum { AUDIO_BUF, VIDEO_BUF, SUBTITLE_BUF, OTHER_BUF } type;
69 int id; // ID of the track that the packet comes from
70 int64_t start; // Video and subtitle packets: start time of frame/subtitle
71 int64_t stop; // Video and subtitle packets: stop time of frame/subtitle
72 int new_chap; // Video packets: if non-zero, is the index of the chapter whose boundary was crossed
74 #define HB_FRAME_IDR 0x01
75 #define HB_FRAME_I 0x02
76 #define HB_FRAME_AUDIO 0x04
77 #define HB_FRAME_P 0x10
78 #define HB_FRAME_B 0x20
79 #define HB_FRAME_BREF 0x40
80 #define HB_FRAME_KEY 0x0F
81 #define HB_FRAME_REF 0xF0
85 /* Holds the output PTS from x264, for use by b-frame offsets in muxmp4.c */
88 // PICTURESUB subtitle packets:
89 // Location and size of the subpicture.
94 hb_buffer_t * next_subpicture;
96 // Video packets (after processing by the hb_sync_video work-object):
97 // A (copy of a) PICTURESUB subtitle packet that needs to be burned into this video packet by the hb_render work-object.
98 // Subtitles that are simply passed thru are NOT attached to the associated video packets.
101 // Packets in a list:
102 // the next packet in the list
106 void hb_buffer_pool_init( void );
107 void hb_buffer_pool_free( void );
109 hb_buffer_t * hb_buffer_init( int size );
110 void hb_buffer_realloc( hb_buffer_t *, int size );
111 void hb_buffer_close( hb_buffer_t ** );
112 void hb_buffer_copy_settings( hb_buffer_t * dst,
113 const hb_buffer_t * src );
115 hb_fifo_t * hb_fifo_init( int capacity, int thresh );
116 int hb_fifo_size( hb_fifo_t * );
117 int hb_fifo_size_bytes( hb_fifo_t * );
118 int hb_fifo_is_full( hb_fifo_t * );
119 float hb_fifo_percent_full( hb_fifo_t * f );
120 hb_buffer_t * hb_fifo_get( hb_fifo_t * );
121 hb_buffer_t * hb_fifo_get_wait( hb_fifo_t * );
122 hb_buffer_t * hb_fifo_see( hb_fifo_t * );
123 hb_buffer_t * hb_fifo_see_wait( hb_fifo_t * );
124 hb_buffer_t * hb_fifo_see2( hb_fifo_t * );
125 void hb_fifo_push( hb_fifo_t *, hb_buffer_t * );
126 void hb_fifo_push_wait( hb_fifo_t *, hb_buffer_t * );
127 int hb_fifo_full_wait( hb_fifo_t * f );
128 void hb_fifo_push_head( hb_fifo_t *, hb_buffer_t * );
129 void hb_fifo_push_list_element( hb_fifo_t *fifo, hb_buffer_t *buffer_list );
130 hb_buffer_t * hb_fifo_get_list_element( hb_fifo_t *fifo );
131 void hb_fifo_close( hb_fifo_t ** );
132 void hb_fifo_flush( hb_fifo_t * f );
134 // this routine gets a buffer for an uncompressed YUV420 video frame
135 // with dimensions width x height.
136 static inline hb_buffer_t * hb_video_buffer_init( int width, int height )
138 // Y requires w x h bytes. U & V each require (w+1)/2 x
139 // (h+1)/2 bytes (the "+1" is to round up). We shift rather
140 // than divide by 2 since the compiler can't know these ints
141 // are positive so it generates very expensive integer divides
142 // if we do "/2". The code here matches the calculation for
143 // PIX_FMT_YUV420P in ffmpeg's avpicture_fill() which is required
144 // for most of HB's filters to work right.
145 return hb_buffer_init( width * height + ( ( width+1 ) >> 1 ) *
146 ( ( height+1 ) >> 1 ) * 2 );
149 // this routine 'moves' data from src to dst by interchanging 'data',
150 // 'size' & 'alloc' between them and copying the rest of the fields
152 static inline void hb_buffer_swap_copy( hb_buffer_t *src, hb_buffer_t *dst )
154 uint8_t *data = dst->data;
155 int size = dst->size;
156 int alloc = dst->alloc;
165 /***********************************************************************
166 * Threads: update.c, scan.c, work.c, reader.c, muxcommon.c
167 **********************************************************************/
168 hb_thread_t * hb_update_init( int * build, char * version );
169 hb_thread_t * hb_scan_init( hb_handle_t *, volatile int * die,
170 const char * path, int title_index,
171 hb_list_t * list_title, int preview_count,
172 int store_previews, uint64_t min_duration );
173 hb_thread_t * hb_work_init( hb_list_t * jobs,
174 volatile int * die, int * error, hb_job_t ** job );
175 hb_thread_t * hb_reader_init( hb_job_t * );
176 hb_work_object_t * hb_muxer_init( hb_job_t * );
177 hb_work_object_t * hb_get_work( int );
178 hb_work_object_t * hb_codec_decoder( int );
179 hb_work_object_t * hb_codec_encoder( int );
181 /***********************************************************************
183 **********************************************************************/
184 hb_work_object_t * hb_sync_init( hb_job_t * job );
186 /***********************************************************************
188 **********************************************************************/
190 int64_t last_scr; /* unadjusted SCR from most recent pack */
191 int64_t last_pts; /* last pts we saw */
192 int scr_changes; /* number of SCR discontinuities */
193 int dts_drops; /* number of drops because DTS too far from SCR */
196 typedef int (*hb_muxer_t)(hb_buffer_t *, hb_list_t *, hb_psdemux_t*);
198 int hb_demux_ps( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
199 int hb_demux_ss( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
200 int hb_demux_null( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
202 extern const hb_muxer_t hb_demux[];
204 /***********************************************************************
206 **********************************************************************/
207 extern void decmetadata( hb_title_t *title );
209 /***********************************************************************
211 **********************************************************************/
212 typedef struct hb_batch_s hb_batch_t;
214 hb_batch_t * hb_batch_init( char * path );
215 void hb_batch_close( hb_batch_t ** _d );
216 int hb_batch_title_count( hb_batch_t * d );
217 hb_title_t * hb_batch_title_scan( hb_batch_t * d, int t );
219 /***********************************************************************
221 **********************************************************************/
222 typedef struct hb_bd_s hb_bd_t;
223 typedef union hb_dvd_s hb_dvd_t;
224 typedef struct hb_stream_s hb_stream_t;
226 hb_dvd_t * hb_dvd_init( char * path );
227 int hb_dvd_title_count( hb_dvd_t * );
228 hb_title_t * hb_dvd_title_scan( hb_dvd_t *, int title, uint64_t min_duration );
229 int hb_dvd_start( hb_dvd_t *, hb_title_t *title, int chapter );
230 void hb_dvd_stop( hb_dvd_t * );
231 int hb_dvd_seek( hb_dvd_t *, float );
232 int hb_dvd_read( hb_dvd_t *, hb_buffer_t * );
233 int hb_dvd_chapter( hb_dvd_t * );
234 int hb_dvd_is_break( hb_dvd_t * d );
235 void hb_dvd_close( hb_dvd_t ** );
236 int hb_dvd_angle_count( hb_dvd_t * d );
237 void hb_dvd_set_angle( hb_dvd_t * d, int angle );
238 int hb_dvd_main_feature( hb_dvd_t * d, hb_list_t * list_title );
240 hb_bd_t * hb_bd_init( char * path );
241 int hb_bd_title_count( hb_bd_t * d );
242 hb_title_t * hb_bd_title_scan( hb_bd_t * d, int t, uint64_t min_duration );
243 int hb_bd_start( hb_bd_t * d, hb_title_t *title );
244 void hb_bd_stop( hb_bd_t * d );
245 int hb_bd_seek( hb_bd_t * d, float f );
246 int hb_bd_seek_pts( hb_bd_t * d, uint64_t pts );
247 int hb_bd_seek_chapter( hb_bd_t * d, int chapter );
248 int hb_bd_read( hb_bd_t * d, hb_buffer_t * b );
249 int hb_bd_chapter( hb_bd_t * d );
250 void hb_bd_close( hb_bd_t ** _d );
251 void hb_bd_set_angle( hb_bd_t * d, int angle );
252 int hb_bd_main_feature( hb_bd_t * d, hb_list_t * list_title );
254 hb_stream_t * hb_bd_stream_open( hb_title_t *title );
255 hb_stream_t * hb_stream_open( char * path, hb_title_t *title );
256 void hb_stream_close( hb_stream_t ** );
257 hb_title_t * hb_stream_title_scan( hb_stream_t *);
258 int hb_stream_read( hb_stream_t *, hb_buffer_t *);
259 int hb_stream_seek( hb_stream_t *, float );
260 int hb_stream_seek_ts( hb_stream_t * stream, int64_t ts );
261 int hb_stream_seek_chapter( hb_stream_t *, int );
262 int hb_stream_chapter( hb_stream_t * );
264 int hb_ts_decode_pkt( hb_stream_t *stream, const uint8_t * pkt, hb_buffer_t *obuf );
267 void * hb_ffmpeg_context( int codec_param );
268 void * hb_ffmpeg_avstream( int codec_param );
270 #define STR4_TO_UINT32(p) \
271 ((((const uint8_t*)(p))[0] << 24) | \
272 (((const uint8_t*)(p))[1] << 16) | \
273 (((const uint8_t*)(p))[2] << 8) | \
274 ((const uint8_t*)(p))[3])
276 /***********************************************************************
278 **********************************************************************/
279 #define HB_CONFIG_MAX_SIZE 8192
285 uint8_t bytes[HB_CONFIG_MAX_SIZE];
291 uint8_t sps[HB_CONFIG_MAX_SIZE];
293 uint8_t pps[HB_CONFIG_MAX_SIZE];
300 uint8_t headers[3][HB_CONFIG_MAX_SIZE];
305 uint8_t bytes[HB_CONFIG_MAX_SIZE];
311 uint8_t headers[3][HB_CONFIG_MAX_SIZE];
317 /* ac3flags stores the flags from the AC3 source, as found in scan.c */
319 // next two items are used by the bsinfo routine to accumulate small
320 // frames until we have enough to validate the crc.
321 int len; // space currently used in 'buf'
322 uint8_t buf[HB_CONFIG_MAX_SIZE-sizeof(int)];
327 /* dcaflags stores the flags from the DCA source, as found in scan.c */
366 FILTER_DEINTERLACE = 1,
374 // Picture flags used by filters
375 #ifndef PIC_FLAG_REPEAT_FIRST_FIELD
376 #define PIC_FLAG_REPEAT_FIRST_FIELD 256
378 #ifndef PIC_FLAG_TOP_FIELD_FIRST
379 #define PIC_FLAG_TOP_FIELD_FIRST 8
381 #ifndef PIC_FLAG_PROGRESSIVE_FRAME
382 #define PIC_FLAG_PROGRESSIVE_FRAME 16
385 extern hb_work_object_t * hb_objects;
387 #define HB_WORK_IDLE 0
389 #define HB_WORK_ERROR 2
390 #define HB_WORK_DONE 3
392 /***********************************************************************
394 **********************************************************************/
395 typedef struct hb_mux_object_s hb_mux_object_t;
396 typedef struct hb_mux_data_s hb_mux_data_t;
398 #define HB_MUX_COMMON \
399 int (*init) ( hb_mux_object_t * ); \
400 int (*mux) ( hb_mux_object_t *, hb_mux_data_t *, \
402 int (*end) ( hb_mux_object_t * );
404 #define DECLARE_MUX( a ) \
405 hb_mux_object_t * hb_mux_##a##_init( hb_job_t * );