LiVES  2.8.1
audio.h
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1 // audio.h
2 // LiVES (lives-exe)
3 // (c) G. Finch 2005 - 2016
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 
30 // keep first N audio_in filesysten handles open - multitrack only
31 #define NSTOREDFDS 16
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 #define AUD_WRITTEN_CHECK 100000000
49 
50 
53 
54 #define ASERVER_CMD_PROCESSED 0
55 #define ASERVER_CMD_FILE_OPEN 1
56 #define ASERVER_CMD_FILE_CLOSE 2
57 #define ASERVER_CMD_FILE_SEEK 3
58 
59 /* message passing structure */
60 typedef struct _aserver_message_t {
61  volatile int command;
62  volatile char *data;
63  volatile struct _aserver_message_t *next;
65 
66 
67 
68 typedef enum {
74 
75 
76 
77 
78 typedef struct {
79  lives_operation_t operation; // read, write, or convert [readonly by server]
80  volatile boolean is_ready; // [readwrite all]
81  boolean eof;
82  int fileno; // [readonly by server]
83 
84  // readonly by server:
85 
86  // use one or other
87  off_t seek;
88  weed_timecode_t start_tc;
89 
90  double arate;
91 
92  ssize_t bytesize; // file in/out length in bytes [write by server in case of eof]
93 
94  boolean in_interleaf;
95  boolean out_interleaf;
96 
97  int in_achans;
98  int out_achans;
99  int in_asamps; // set to -val for float
100  int out_asamps; // set to -val for float
103  double shrink_factor;
104 
105  size_t samp_space;
106 
107 
108  // in or out buffers
109  uint8_t **buffer8;
110  union {
111  short **buffer16;
112  uint8_t **buffer16_8;
113  };
114  int32_t **buffer24;
115  int32_t **buffer32;
116  float **bufferf;
117 
118  boolean s8_signed;
119  boolean s16_signed;
120  boolean s24_signed;
121  boolean s32_signed;
122 
123  // ring buffer
124  size_t samples_filled;
125  size_t start_sample;
126 
127 
128  // private fields (used by server)
129  uint8_t *_filebuffer;
130  ssize_t _cbytesize;
131  size_t _csamp_space;
132  int _fd;
133  int _cfileno;
134  int _cseek;
135  int _cachans;
138  int _casamps;
139 
140  volatile boolean die;
141 
143 
144 
146 
147 typedef enum lives_audio_loop {
152 
153 
154 
155 void sample_silence_dS(float *dst, uint64_t nsamples);
156 
157 void sample_move_d8_d16(short *dst, uint8_t *src,
158  uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign);
159 
160 void sample_move_d16_d16(short *dst, short *src,
161  uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_endian, int swap_sign);
162 
163 void sample_move_d16_d8(uint8_t *dst, short *src,
164  uint64_t nsamples, size_t tbytes, float scale, int nDstChannels, int nSrcChannels, int swap_sign);
165 
166 void sample_move_d16_float(float *dst, short *src, uint64_t nsamples, uint64_t src_skip, int is_unsigned, boolean rev_endian, float vol);
167 
168 int64_t sample_move_float_int(void *holding_buff, float **float_buffer, int nsamps, float scale, int chans, int asamps, int usigned,
169  boolean swap_endian, boolean float_interleaved, float vol);
170 
171 int64_t sample_move_abuf_float(float **obuf, int nchans, int nsamps, int out_arate, float vol);
172 
173 int64_t sample_move_abuf_int16(short *obuf, int nchans, int nsamps, int out_arate);
174 
175 void sample_move_float_float(float *dst, float *src, uint64_t nsamples, float scale, int dst_skip);
176 
177 boolean float_deinterleave(float *fbuffer, int nsamps, int nchans);
178 boolean float_interleave(float *fbuffer, int nsamps, int nchans);
179 
180 int64_t render_audio_segment(int nfiles, int *from_files, int to_file, double *avels, double *fromtime, weed_timecode_t tc_start,
181  weed_timecode_t tc_end, double *chvol, double opvol_start, double opvol_end, lives_audio_buf_t *obuf);
182 
183 void aud_fade(int fileno, double startt, double endt, double startv, double endv);
184 
185 typedef enum {
192 
193 #ifdef ENABLE_JACK
194 void jack_rec_audio_to_clip(int fileno, int oldfileno, lives_rec_audio_type_t rec_type);
195 void jack_rec_audio_end(boolean close_dev, boolean close_fd);
196 #endif
197 
198 #ifdef HAVE_PULSE_AUDIO
199 void pulse_rec_audio_to_clip(int fileno, int oldfileno, lives_rec_audio_type_t rec_type);
200 void pulse_rec_audio_end(boolean close_dev, boolean close_fd);
201 #endif
202 
203 void fill_abuffer_from(lives_audio_buf_t *abuf, weed_plant_t *event_list, weed_plant_t *st_event, boolean exact);
204 
205 
206 boolean resync_audio(int frameno);
207 
208 
209 lives_audio_track_state_t *get_audio_and_effects_state_at(weed_plant_t *event_list, weed_plant_t *st_event, boolean get_audstate,
210  boolean exact);
211 
212 boolean get_audio_from_plugin(float *fbuffer, int nchans, int arate, int nsamps);
213 void reinit_audio_gen(void);
214 
215 void init_jack_audio_buffers(int achans, int arate, boolean exact);
216 void free_jack_audio_buffers(void);
217 
218 void init_pulse_audio_buffers(int achans, int arate, boolean exact);
219 void free_pulse_audio_buffers(void);
220 
221 void audio_free_fnames(void);
222 
224 void audio_cache_end(void);
226 
227 boolean apply_rte_audio_init(void);
228 void apply_rte_audio_end(boolean del);
229 boolean apply_rte_audio(int nframes);
230 
231 void init_audio_frame_buffer(short aplayer);
233 void append_to_audio_bufferf(lives_audio_buf_t *abuf, float *src, uint64_t nsamples, int channum);
234 void append_to_audio_buffer16(lives_audio_buf_t *abuf, void *src, uint64_t nsamples, int channum);
235 boolean push_audio_to_channel(weed_plant_t *achan, lives_audio_buf_t *abuf);
236 
237 boolean start_audio_stream(void);
238 void stop_audio_stream(void);
239 void clear_audio_stream(void);
240 void audio_stream(void *buff, size_t nbytes, int fd);
241 
242 #endif
Definition: audio.h:190
int32_t ** buffer32
sample data in 32 bit format (or NULL)
Definition: audio.h:115
Definition: audio.h:148
Definition: audio.h:71
lives_audio_loop_t
Definition: audio.h:147
int _fd
file descriptor
Definition: audio.h:132
void fill_abuffer_from(lives_audio_buf_t *abuf, weed_plant_t *event_list, weed_plant_t *st_event, boolean exact)
Definition: audio.c:1872
Definition: audio.h:70
float ** bufferf
sample data in float format (or NULL)
Definition: audio.h:116
int _cin_interleaf
Definition: audio.h:136
int out_achans
channels for buffer* side
Definition: audio.h:98
Definition: audio.h:78
void sample_move_float_float(float *dst, float *src, uint64_t nsamples, float scale, int dst_skip)
Definition: audio.c:442
size_t _csamp_space
current sample buffer size in single channel samples
Definition: audio.h:131
int swap_sign
Definition: audio.h:101
boolean eof
did we read EOF ? [readonly by client]
Definition: audio.h:81
short ** buffer16
sample data in 16 bit format (or NULL)
Definition: audio.h:111
int _cseek
current seek pos
Definition: audio.h:134
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:327
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:896
boolean push_audio_to_channel(weed_plant_t *achan, lives_audio_buf_t *abuf)
Definition: audio.c:2905
ssize_t bytesize
Definition: audio.h:92
boolean float_deinterleave(float *fbuffer, int nsamps, int nchans)
Definition: audio.c:738
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:1783
volatile struct _aserver_message_t * next
Definition: audio.h:63
double arate
Definition: audio.h:90
boolean in_interleaf
Definition: audio.h:94
lives_operation_t
Definition: audio.h:68
void audio_stream(void *buff, size_t nbytes, int fd)
Definition: audio.c:3177
void init_audio_frame_buffer(short aplayer)
Definition: audio.c:117
lives_audio_buf_t * audio_cache_get_buffer(void)
Definition: audio.c:2560
boolean resync_audio(int frameno)
Definition: audio.c:2136
void append_to_audio_bufferf(lives_audio_buf_t *abuf, float *src, uint64_t nsamples, int channum)
Definition: audio.c:61
boolean s8_signed
Definition: audio.h:118
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:2569
volatile char * data
Definition: audio.h:62
Definition: audio.h:189
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:457
boolean start_audio_stream(void)
Definition: audio.c:3038
void apply_rte_audio_end(boolean del)
Definition: audio.c:2744
boolean s16_signed
Definition: audio.h:119
void reinit_audio_gen(void)
Definition: audio.c:2686
boolean out_interleaf
Definition: audio.h:95
volatile boolean die
set to TRUE to shut down thread
Definition: audio.h:140
int in_asamps
Definition: audio.h:99
ssize_t _cbytesize
current _filebuffer bytesize; if this changes we need to realloc _filebuffer
Definition: audio.h:130
void audio_cache_end(void)
Definition: audio.c:2527
int _cfileno
current fileno
Definition: audio.h:133
boolean s24_signed
Definition: audio.h:120
uint8_t ** buffer16_8
sample data in 8 bit format (or NULL)
Definition: audio.h:112
volatile int command
Definition: audio.h:61
void clear_audio_stream(void)
Definition: audio.c:3161
void append_to_audio_buffer16(lives_audio_buf_t *abuf, void *src, uint64_t nsamples, int channum)
Definition: audio.c:87
int64_t sample_move_abuf_float(float **obuf, int nchans, int nsamps, int out_arate, float vol)
Definition: audio.c:511
size_t start_sample
used for reading (readonly server)
Definition: audio.h:125
double shrink_factor
resampling ratio
Definition: audio.h:103
int64_t sample_move_abuf_int16(short *obuf, int nchans, int nsamps, int out_arate)
Definition: audio.c:616
int swap_endian
Definition: audio.h:102
Definition: audio.h:187
void init_pulse_audio_buffers(int achans, int arate, boolean exact)
Definition: audio.c:2069
Definition: audio.h:186
Definition: main.h:358
int out_asamps
Definition: audio.h:100
Definition: audio.h:149
Definition: audio.h:150
boolean float_interleave(float *fbuffer, int nsamps, int nchans)
Definition: audio.c:756
size_t samp_space
buffer space in samples (* by sizeof(type) to get bytesize) [if interleaf, also * by chans] ...
Definition: audio.h:105
int _casamps
current out_asamps
Definition: audio.h:138
uint8_t * _filebuffer
raw data to/from file - can be cast to int16_t
Definition: audio.h:129
void aud_fade(int fileno, double startt, double endt, double startv, double endv)
fade in/fade out
Definition: audio.c:1368
size_t samples_filled
number of samples filled (readonly client)
Definition: audio.h:124
void audio_free_fnames(void)
Definition: audio.c:44
boolean apply_rte_audio(int nframes)
Definition: audio.c:2751
void free_jack_audio_buffers(void)
Definition: audio.c:2090
int in_achans
channels for _filebuffer side
Definition: audio.h:97
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:380
lives_rec_audio_type_t
Definition: audio.h:185
Definition: audio.h:60
void free_audio_frame_buffer(lives_audio_buf_t *abuf)
Definition: audio.c:152
int _cachans
current output channels
Definition: audio.h:135
boolean s32_signed
Definition: audio.h:121
void sample_silence_dS(float *dst, uint64_t nsamples)
Definition: audio.c:193
uint8_t ** buffer8
sample data in 8 bit format (or NULL)
Definition: audio.h:109
boolean apply_rte_audio_init(void)
Definition: audio.c:2710
int _cout_interleaf
Definition: audio.h:137
lives_audio_buf_t * audio_cache_init(void)
Definition: audio.c:2491
lives_operation_t operation
Definition: audio.h:79
Definition: audio.h:188
int fileno
Definition: audio.h:82
int32_t ** buffer24
sample data in 24 bit format (or NULL)
Definition: audio.h:114
volatile boolean is_ready
Definition: audio.h:80
Definition: audio.h:69
Definition: audio.h:72
weed_timecode_t start_tc
Definition: audio.h:88
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:199
void init_jack_audio_buffers(int achans, int arate, boolean exact)
Definition: audio.c:2047
off_t seek
Definition: audio.h:87
void stop_audio_stream(void)
Definition: audio.c:3116
void free_pulse_audio_buffers(void)
Definition: audio.c:2113