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audio.h
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1 // audio.h
2 // LiVES (lives-exe)
3 // (c) G. Finch 2005 - 2009
4 // Released under the GPL 3 or later
5 // see file ../COPYING for licensing details
6 
7 #ifndef HAS_LIVES_AUDIO_H
8 #define HAS_LIVES_AUDIO_H
9 
10 #define SAMPLE_MAX_16BIT_P 32767.0f
11 #define SAMPLE_MAX_16BIT_N 32768.0f
12 #define SAMPLE_MAX_16BITI 32768
13 
15 #define SWAP_U_TO_S 1
16 #define SWAP_S_TO_U 2
17 
18 #define SWAP_X_TO_L 1
20 #define SWAP_L_TO_X 2
21 
22 
24 # define DEFAULT_AUDIO_RATE 44100
25 # define DEFAULT_AUDIO_CHANS 2
26 # define DEFAULT_AUDIO_SAMPS 16
27 # define DEFAULT_AUDIO_SIGNED8 (AFORM_UNSIGNED)
28 # define DEFAULT_AUDIO_SIGNED16 (!AFORM_UNSIGNED)
29 
31 #define LIVES_ACONNECT_TIMEOUT (10 * U_SEC)
32 
34 #define MAX_AUDIO_MEM 8*1024*1024
35 
37 #define RENDER_BLOCK_SIZE 1024
38 
40 #define SILENCE_BLOCK_SIZE 65536
41 
43 #define READ_BLOCK_SIZE 4096
44 
46 #define XSAMPLES 128000
47 
48 
51 
52 
53 #define ASERVER_CMD_PROCESSED 0
54 #define ASERVER_CMD_FILE_OPEN 1
55 #define ASERVER_CMD_FILE_CLOSE 2
56 #define ASERVER_CMD_FILE_SEEK 3
57 
58 /* message passing structure */
59 typedef struct _aserver_message_t {
60  volatile int command;
61  volatile char *data;
62  volatile struct _aserver_message_t *next;
64 
65 
66 
67 typedef enum {
73 
74 
75 
76 
77 typedef struct {
78  lives_operation_t operation; // read, write, or convert [readonly by server]
79  volatile boolean is_ready; // [readwrite all]
80  boolean eof;
81  int fileno; // [readonly by server]
82 
83  // readonly by server:
84 
85  // use one or other
86  off_t seek;
87  weed_timecode_t start_tc;
88 
89  double arate;
90 
91  ssize_t bytesize; // file in/out length in bytes [write by server in case of eof]
92 
93  boolean in_interleaf;
94  boolean out_interleaf;
95 
96  int in_achans;
97  int out_achans;
98  int in_asamps; // set to -val for float
99  int out_asamps; // set to -val for float
102  double shrink_factor;
103 
104  size_t samp_space;
105 
106 
107  // in or out buffers
108  uint8_t **buffer8;
109  short **buffer16;
110  int32_t **buffer24;
111  int32_t **buffer32;
112  float **bufferf;
113 
114  boolean s8_signed;
115  boolean s16_signed;
116  boolean s24_signed;
117  boolean s32_signed;
118 
119  // ring buffer
120  size_t samples_filled;
121  size_t start_sample;
122 
123 
124  // private fields (used by server)
125  uint8_t *_filebuffer;
126  ssize_t _cbytesize;
127  size_t _csamp_space;
128  int _fd;
129  int _cfileno;
130  int _cseek;
131  int _cachans;
134  int _casamps;
135 
136  volatile boolean die;
137 
139 
140 
142 
143 typedef enum lives_audio_loop {
148 
149 
150 
151 void sample_silence_dS(float *dst, uint64_t nsamples);
152 
153 void sample_move_d8_d16(short *dst, uint8_t *src,
154  uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign);
155 
156 void sample_move_d16_d16(short *dst, short *src,
157  uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_endian, int swap_sign);
158 
159 void sample_move_d16_d8(uint8_t *dst, short *src,
160  uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign);
161 
162 void sample_move_d16_float(float *dst, short *src, uint64_t nsamples, uint64_t src_skip, int is_unsigned, boolean rev_endian, float vol);
163 
164 int64_t sample_move_float_int(void *holding_buff, float **float_buffer, int nsamps, float scale, int chans, int asamps, int usigned,
165  boolean swap_endian, boolean float_interleaved, float vol);
166 
167 int64_t sample_move_abuf_float(float **obuf, int nchans, int nsamps, int out_arate, float vol);
168 
169 int64_t sample_move_abuf_int16(short *obuf, int nchans, int nsamps, int out_arate);
170 
171 void sample_move_float_float(float *dst, float *src, uint64_t nsamples, float scale, int dst_skip);
172 
173 boolean float_deinterleave(float *fbuffer, int nsamps, int nchans);
174 boolean float_interleave(float *fbuffer, int nsamps, int nchans);
175 
176 int64_t render_audio_segment(int nfiles, int *from_files, int to_file, double *avels, double *fromtime, weed_timecode_t tc_start,
177  weed_timecode_t tc_end, double *chvol, double opvol_start, double opvol_end, lives_audio_buf_t *obuf);
178 
179 void aud_fade(int fileno, double startt, double endt, double startv, double endv);
180 
181 typedef enum {
188 
189 #ifdef ENABLE_JACK
190 void jack_rec_audio_to_clip(int fileno, int oldfileno, lives_rec_audio_type_t rec_type);
191 void jack_rec_audio_end(boolean close_dev, boolean close_fd);
192 #endif
193 
194 #ifdef HAVE_PULSE_AUDIO
195 void pulse_rec_audio_to_clip(int fileno, int oldfileno, lives_rec_audio_type_t rec_type);
196 void pulse_rec_audio_end(boolean close_dev, boolean close_fd);
197 #endif
198 
199 void fill_abuffer_from(lives_audio_buf_t *abuf, weed_plant_t *event_list, weed_plant_t *st_event, boolean exact);
200 
201 
202 boolean resync_audio(int frameno);
203 
204 
205 lives_audio_track_state_t *get_audio_and_effects_state_at(weed_plant_t *event_list, weed_plant_t *st_event, boolean get_audstate,
206  boolean exact);
207 
208 boolean get_audio_from_plugin(float *fbuffer, int nchans, int arate, int nsamps);
209 void reinit_audio_gen(void);
210 
211 void init_jack_audio_buffers(int achans, int arate, boolean exact);
212 void free_jack_audio_buffers(void);
213 
214 void init_pulse_audio_buffers(int achans, int arate, boolean exact);
215 void free_pulse_audio_buffers(void);
216 
217 void audio_free_fnames(void);
218 
220 void audio_cache_end(void);
222 
223 boolean apply_rte_audio_init(void);
224 void apply_rte_audio_end(boolean del);
225 boolean apply_rte_audio(int nframes);
226 
227 void init_audio_frame_buffer(short aplayer);
229 void append_to_audio_bufferf(lives_audio_buf_t *abuf, float *src, uint64_t nsamples, int channum);
230 void append_to_audio_buffer16(lives_audio_buf_t *abuf, void *src, uint64_t nsamples, int channum);
231 boolean push_audio_to_channel(weed_plant_t *achan, lives_audio_buf_t *abuf);
232 
233 boolean start_audio_stream(void);
234 void stop_audio_stream(void);
235 void clear_audio_stream(void);
236 void audio_stream(void *buff, size_t nbytes, int fd);
237 
238 #endif
Definition: audio.h:186
int32_t ** buffer32
sample data in 32 bit format (or NULL)
Definition: audio.h:111
Definition: audio.h:144
Definition: audio.h:70
lives_audio_loop_t
Definition: audio.h:143
int _fd
file descriptor
Definition: audio.h:128
void fill_abuffer_from(lives_audio_buf_t *abuf, weed_plant_t *event_list, weed_plant_t *st_event, boolean exact)
Definition: audio.c:1871
Definition: audio.h:69
float ** bufferf
sample data in float format (or NULL)
Definition: audio.h:112
int _cin_interleaf
Definition: audio.h:132
int out_achans
channels for buffer* side
Definition: audio.h:97
Definition: audio.h:77
void sample_move_float_float(float *dst, float *src, uint64_t nsamples, float scale, int dst_skip)
Definition: audio.c:443
size_t _csamp_space
current sample buffer size in single channel samples
Definition: audio.h:127
int swap_sign
Definition: audio.h:100
boolean eof
did we read EOF ? [readonly by client]
Definition: audio.h:80
short ** buffer16
sample data in 16 bit format (or NULL)
Definition: audio.h:109
int _cseek
current seek pos
Definition: audio.h:130
void sample_move_d16_d8(uint8_t *dst, short *src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)
Definition: audio.c:328
int64_t render_audio_segment(int nfiles, int *from_files, int to_file, double *avels, double *fromtime, weed_timecode_t tc_start, weed_timecode_t tc_end, double *chvol, double opvol_start, double opvol_end, lives_audio_buf_t *obuf)
Definition: audio.c:897
boolean push_audio_to_channel(weed_plant_t *achan, lives_audio_buf_t *abuf)
Definition: audio.c:2916
ssize_t bytesize
Definition: audio.h:91
boolean float_deinterleave(float *fbuffer, int nsamps, int nchans)
Definition: audio.c:739
lives_audio_track_state_t * get_audio_and_effects_state_at(weed_plant_t *event_list, weed_plant_t *st_event, boolean get_audstate, boolean exact)
Definition: audio.c:1782
volatile struct _aserver_message_t * next
Definition: audio.h:62
double arate
Definition: audio.h:89
boolean in_interleaf
Definition: audio.h:93
lives_operation_t
Definition: audio.h:67
void audio_stream(void *buff, size_t nbytes, int fd)
Definition: audio.c:3199
void init_audio_frame_buffer(short aplayer)
Definition: audio.c:119
lives_audio_buf_t * audio_cache_get_buffer(void)
Definition: audio.c:2566
boolean resync_audio(int frameno)
Definition: audio.c:2137
void append_to_audio_bufferf(lives_audio_buf_t *abuf, float *src, uint64_t nsamples, int channum)
Definition: audio.c:65
boolean s8_signed
Definition: audio.h:114
void sample_move_d16_d16(short *dst, short *src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_endian, int swap_sign)
boolean get_audio_from_plugin(float *fbuffer, int nchans, int arate, int nsamps)
Definition: audio.c:2575
volatile char * data
Definition: audio.h:61
Definition: audio.h:185
int64_t sample_move_float_int(void *holding_buff, float **float_buffer, int nsamps, float scale, int chans, int asamps, int usigned, boolean swap_endian, boolean float_interleaved, float vol)
returns frames output
Definition: audio.c:458
boolean start_audio_stream(void)
Definition: audio.c:3052
void apply_rte_audio_end(boolean del)
Definition: audio.c:2754
boolean s16_signed
Definition: audio.h:115
void reinit_audio_gen(void)
Definition: audio.c:2692
boolean out_interleaf
Definition: audio.h:94
volatile boolean die
set to TRUE to shut down thread
Definition: audio.h:136
int in_asamps
Definition: audio.h:98
ssize_t _cbytesize
current _filebuffer bytesize; if this changes we need to realloc _filebuffer
Definition: audio.h:126
void audio_cache_end(void)
Definition: audio.c:2532
int _cfileno
current fileno
Definition: audio.h:129
boolean s24_signed
Definition: audio.h:116
volatile int command
Definition: audio.h:60
void clear_audio_stream(void)
Definition: audio.c:3183
void append_to_audio_buffer16(lives_audio_buf_t *abuf, void *src, uint64_t nsamples, int channum)
Definition: audio.c:91
int64_t sample_move_abuf_float(float **obuf, int nchans, int nsamps, int out_arate, float vol)
Definition: audio.c:512
size_t start_sample
used for reading (readonly server)
Definition: audio.h:121
double shrink_factor
resampling ratio
Definition: audio.h:102
int64_t sample_move_abuf_int16(short *obuf, int nchans, int nsamps, int out_arate)
Definition: audio.c:617
int swap_endian
Definition: audio.h:101
Definition: audio.h:183
void init_pulse_audio_buffers(int achans, int arate, boolean exact)
Definition: audio.c:2070
Definition: audio.h:182
Definition: main.h:301
int out_asamps
Definition: audio.h:99
Definition: audio.h:145
Definition: audio.h:146
boolean float_interleave(float *fbuffer, int nsamps, int nchans)
Definition: audio.c:757
size_t samp_space
buffer space in samples (* by sizeof(type) to get bytesize) [if interleaf, also * by chans] ...
Definition: audio.h:104
int _casamps
current out_asamps
Definition: audio.h:134
uint8_t * _filebuffer
raw data to/from file - can be cast to int16_t
Definition: audio.h:125
void aud_fade(int fileno, double startt, double endt, double startv, double endv)
fade in/fade out
Definition: audio.c:1374
size_t samples_filled
number of samples filled (readonly client)
Definition: audio.h:120
void audio_free_fnames(void)
Definition: audio.c:47
boolean apply_rte_audio(int nframes)
Definition: audio.c:2761
void free_jack_audio_buffers(void)
Definition: audio.c:2091
int in_achans
channels for _filebuffer side
Definition: audio.h:96
void sample_move_d16_float(float *dst, short *src, uint64_t nsamples, uint64_t src_skip, int is_unsigned, boolean rev_endian, float vol)
Definition: audio.c:381
lives_rec_audio_type_t
Definition: audio.h:181
Definition: audio.h:59
void free_audio_frame_buffer(lives_audio_buf_t *abuf)
Definition: audio.c:154
int _cachans
current output channels
Definition: audio.h:131
boolean s32_signed
Definition: audio.h:117
void sample_silence_dS(float *dst, uint64_t nsamples)
Definition: audio.c:194
uint8_t ** buffer8
sample data in 8 bit format (or NULL)
Definition: audio.h:108
boolean apply_rte_audio_init(void)
Definition: audio.c:2716
int _cout_interleaf
Definition: audio.h:133
lives_audio_buf_t * audio_cache_init(void)
Definition: audio.c:2496
lives_operation_t operation
Definition: audio.h:78
Definition: audio.h:184
int fileno
Definition: audio.h:81
int32_t ** buffer24
sample data in 24 bit format (or NULL)
Definition: audio.h:110
volatile boolean is_ready
Definition: audio.h:79
Definition: audio.h:68
Definition: audio.h:71
weed_timecode_t start_tc
Definition: audio.h:87
void sample_move_d8_d16(short *dst, uint8_t *src, uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign)
Definition: audio.c:200
void init_jack_audio_buffers(int achans, int arate, boolean exact)
Definition: audio.c:2048
off_t seek
Definition: audio.h:86
void stop_audio_stream(void)
Definition: audio.c:3138
void free_pulse_audio_buffers(void)
Definition: audio.c:2114