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 int id; // ID of the track that the packet comes from
68 int64_t start; // Video and subtitle packets: start time of frame/subtitle
69 int64_t stop; // Video and subtitle packets: stop time of frame/subtitle
70 int new_chap; // Video packets: if non-zero, is the index of the chapter whose boundary was crossed
72 #define HB_FRAME_IDR 0x01
73 #define HB_FRAME_I 0x02
74 #define HB_FRAME_AUDIO 0x04
75 #define HB_FRAME_P 0x10
76 #define HB_FRAME_B 0x20
77 #define HB_FRAME_BREF 0x40
78 #define HB_FRAME_KEY 0x0F
79 #define HB_FRAME_REF 0xF0
83 /* Holds the output PTS from x264, for use by b-frame offsets in muxmp4.c */
86 // VOB subtitle packets:
87 // Location and size of the subpicture.
93 // Video packets (after processing by the hb_sync_video work-object):
94 // A (copy of a) VOB subtitle packet that needs to be burned into this video packet by the hb_render work-object.
95 // Subtitles that are simply passed thru are NOT attached to the associated video packets.
99 // the next packet in the list
103 void hb_buffer_pool_init( void );
104 void hb_buffer_pool_free( void );
106 hb_buffer_t * hb_buffer_init( int size );
107 void hb_buffer_realloc( hb_buffer_t *, int size );
108 void hb_buffer_close( hb_buffer_t ** );
109 void hb_buffer_copy_settings( hb_buffer_t * dst,
110 const hb_buffer_t * src );
112 hb_fifo_t * hb_fifo_init( int capacity, int thresh );
113 int hb_fifo_size( hb_fifo_t * );
114 int hb_fifo_size_bytes( hb_fifo_t * );
115 int hb_fifo_is_full( hb_fifo_t * );
116 float hb_fifo_percent_full( hb_fifo_t * f );
117 hb_buffer_t * hb_fifo_get( hb_fifo_t * );
118 hb_buffer_t * hb_fifo_get_wait( hb_fifo_t * );
119 hb_buffer_t * hb_fifo_see( hb_fifo_t * );
120 hb_buffer_t * hb_fifo_see_wait( hb_fifo_t * );
121 hb_buffer_t * hb_fifo_see2( hb_fifo_t * );
122 void hb_fifo_push( hb_fifo_t *, hb_buffer_t * );
123 void hb_fifo_push_wait( hb_fifo_t *, hb_buffer_t * );
124 int hb_fifo_full_wait( hb_fifo_t * f );
125 void hb_fifo_push_head( hb_fifo_t *, hb_buffer_t * );
126 void hb_fifo_close( hb_fifo_t ** );
127 void hb_fifo_flush( hb_fifo_t * f );
129 // this routine gets a buffer for an uncompressed YUV420 video frame
130 // with dimensions width x height.
131 static inline hb_buffer_t * hb_video_buffer_init( int width, int height )
133 // Y requires w x h bytes. U & V each require (w+1)/2 x
134 // (h+1)/2 bytes (the "+1" is to round up). We shift rather
135 // than divide by 2 since the compiler can't know these ints
136 // are positive so it generates very expensive integer divides
137 // if we do "/2". The code here matches the calculation for
138 // PIX_FMT_YUV420P in ffmpeg's avpicture_fill() which is required
139 // for most of HB's filters to work right.
140 return hb_buffer_init( width * height + ( ( width+1 ) >> 1 ) *
141 ( ( height+1 ) >> 1 ) * 2 );
144 // this routine 'moves' data from src to dst by interchanging 'data',
145 // 'size' & 'alloc' between them and copying the rest of the fields
147 static inline void hb_buffer_swap_copy( hb_buffer_t *src, hb_buffer_t *dst )
149 uint8_t *data = dst->data;
150 int size = dst->size;
151 int alloc = dst->alloc;
160 /***********************************************************************
161 * Threads: update.c, scan.c, work.c, reader.c, muxcommon.c
162 **********************************************************************/
163 hb_thread_t * hb_update_init( int * build, char * version );
164 hb_thread_t * hb_scan_init( hb_handle_t *, volatile int * die,
165 const char * path, int title_index,
166 hb_list_t * list_title, int preview_count,
167 int store_previews );
168 hb_thread_t * hb_work_init( hb_list_t * jobs, int cpu_count,
169 volatile int * die, int * error, hb_job_t ** job );
170 hb_thread_t * hb_reader_init( hb_job_t * );
171 hb_work_object_t * hb_muxer_init( hb_job_t * );
172 hb_work_object_t * hb_get_work( int );
173 hb_work_object_t * hb_codec_decoder( int );
174 hb_work_object_t * hb_codec_encoder( int );
176 /***********************************************************************
178 **********************************************************************/
179 hb_work_object_t * hb_sync_init( hb_job_t * job );
181 /***********************************************************************
183 **********************************************************************/
185 int64_t last_scr; /* unadjusted SCR from most recent pack */
186 int64_t last_pts; /* last pts we saw */
187 int scr_changes; /* number of SCR discontinuities */
188 int dts_drops; /* number of drops because DTS too far from SCR */
191 typedef int (*hb_muxer_t)(hb_buffer_t *, hb_list_t *, hb_psdemux_t*);
193 int hb_demux_ps( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
194 int hb_demux_ss( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
195 int hb_demux_null( hb_buffer_t * ps_buf, hb_list_t * es_list, hb_psdemux_t * );
197 extern const hb_muxer_t hb_demux[];
199 /***********************************************************************
201 **********************************************************************/
202 extern void decmetadata( hb_title_t *title );
204 /***********************************************************************
206 **********************************************************************/
207 typedef struct hb_batch_s hb_batch_t;
209 hb_batch_t * hb_batch_init( char * path );
210 void hb_batch_close( hb_batch_t ** _d );
211 int hb_batch_title_count( hb_batch_t * d );
212 hb_title_t * hb_batch_title_scan( hb_batch_t * d, int t );
214 /***********************************************************************
216 **********************************************************************/
217 typedef union hb_dvd_s hb_dvd_t;
218 typedef struct hb_stream_s hb_stream_t;
220 hb_dvd_t * hb_dvd_init( char * path );
221 int hb_dvd_title_count( hb_dvd_t * );
222 hb_title_t * hb_dvd_title_scan( hb_dvd_t *, int title );
223 int hb_dvd_start( hb_dvd_t *, hb_title_t *title, int chapter );
224 void hb_dvd_stop( hb_dvd_t * );
225 int hb_dvd_seek( hb_dvd_t *, float );
226 int hb_dvd_read( hb_dvd_t *, hb_buffer_t * );
227 int hb_dvd_chapter( hb_dvd_t * );
228 int hb_dvd_is_break( hb_dvd_t * d );
229 void hb_dvd_close( hb_dvd_t ** );
230 int hb_dvd_angle_count( hb_dvd_t * d );
231 void hb_dvd_set_angle( hb_dvd_t * d, int angle );
232 int hb_dvd_main_feature( hb_dvd_t * d, hb_list_t * list_title );
234 hb_stream_t * hb_stream_open( char * path, hb_title_t *title );
235 void hb_stream_close( hb_stream_t ** );
236 hb_title_t * hb_stream_title_scan( hb_stream_t *);
237 int hb_stream_read( hb_stream_t *, hb_buffer_t *);
238 int hb_stream_seek( hb_stream_t *, float );
239 int hb_stream_seek_ts( hb_stream_t * stream, int64_t ts );
240 int hb_stream_seek_chapter( hb_stream_t *, int );
241 int hb_stream_chapter( hb_stream_t * );
244 void * hb_ffmpeg_context( int codec_param );
245 void * hb_ffmpeg_avstream( int codec_param );
247 /***********************************************************************
249 **********************************************************************/
250 #define HB_CONFIG_MAX_SIZE 8192
256 uint8_t bytes[HB_CONFIG_MAX_SIZE];
262 uint8_t sps[HB_CONFIG_MAX_SIZE];
264 uint8_t pps[HB_CONFIG_MAX_SIZE];
271 uint8_t headers[3][HB_CONFIG_MAX_SIZE];
276 uint8_t bytes[HB_CONFIG_MAX_SIZE];
282 uint8_t headers[3][HB_CONFIG_MAX_SIZE];
288 /* ac3flags stores the flags from the AC3 source, as found in scan.c */
290 // next two items are used by the bsinfo routine to accumulate small
291 // frames until we have enough to validate the crc.
292 int len; // space currently used in 'buf'
293 uint8_t buf[HB_CONFIG_MAX_SIZE-sizeof(int)];
298 /* dcaflags stores the flags from the DCA source, as found in scan.c */
335 FILTER_DEINTERLACE = 1,
343 extern hb_work_object_t * hb_objects;
345 #define HB_WORK_IDLE 0
347 #define HB_WORK_ERROR 2
348 #define HB_WORK_DONE 3
350 /***********************************************************************
352 **********************************************************************/
353 typedef struct hb_mux_object_s hb_mux_object_t;
354 typedef struct hb_mux_data_s hb_mux_data_t;
356 #define HB_MUX_COMMON \
357 int (*init) ( hb_mux_object_t * ); \
358 int (*mux) ( hb_mux_object_t *, hb_mux_data_t *, \
360 int (*end) ( hb_mux_object_t * );
362 #define DECLARE_MUX( a ) \
363 hb_mux_object_t * hb_mux_##a##_init( hb_job_t * );