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Move `sndfile-resample` to sndfile-tools package

* Fixes https://bugs.gentoo.org/645258

David Seifert committed 8 years ago

Commit bf398351 parent 1601e2c2 files · +0 −335Browse files

Unified · Split

2 files
  1. Makefile.am +0 −7
  2. examples/sndfile-resample.c +0 −328
Makefile.am+0−7
@@ -67,13 +67,6 @@ examples_timewarp_file_SOURCES = examples/timewarp-file.c · 66 unmodified lines
6767 examples_timewarp_file_CFLAGS = $(SNDFILE_CFLAGS) $(ALSA_CFLAGS)
6868 examples_timewarp_file_LDADD = src/libsamplerate.la $(SNDFILE_LIBS) $(ALSA_LIBS)
6969
70−if HAVE_LIBSNDFILE
71−bin_PROGRAMS = examples/sndfile-resample
72−examples_sndfile_resample_SOURCES = examples/sndfile-resample.c
73−examples_sndfile_resample_CFLAGS = $(SNDFILE_CFLAGS) $(ALSA_CFLAGS)
74−examples_sndfile_resample_LDADD = src/libsamplerate.la $(SNDFILE_LIBS) $(ALSA_LIBS)
75−endif
76−
7770 ##########
7871 # tests/ #
7972 ##########
examples/sndfile-resample.c+0−328
@@ -1,328 +0,0 @@
1−/*
2−** Copyright (c) 2002-2016, Erik de Castro Lopo <erikd@mega-nerd.com>
3−** All rights reserved.
4−**
5−** This code is released under 2-clause BSD license. Please see the
6−** file at : https://github.com/erikd/libsamplerate/blob/master/COPYING
7−*/
8−
9−#include "config.h"
10−
11−#include <stdio.h>
12−#include <stdlib.h>
13−#include <unistd.h>
14−#include <string.h>
15−#include <math.h>
16−
17−#if (HAVE_SNDFILE)
18−
19−#include <samplerate.h>
20−#include <sndfile.h>
21−
22−#define DEFAULT_CONVERTER SRC_SINC_MEDIUM_QUALITY
23−
24−#define BUFFER_LEN 4096 /*-(1<<16)-*/
25−
26−static void usage_exit (const char *progname) ;
27−static sf_count_t sample_rate_convert (SNDFILE *infile, SNDFILE *outfile, int converter, double src_ratio, int channels, double * gain, int normalize) ;
28−static double apply_gain (float * data, long frames, int channels, double max, double gain) ;
29−
30−int
31−main (int argc, char *argv [])
32−{ SNDFILE *infile, *outfile = NULL ;
33− SF_INFO sfinfo ;
34−
35− int normalize = 1 ;
36− sf_count_t count ;
37− double src_ratio = -1.0, gain = 1.0 ;
38− int new_sample_rate = -1, k, converter, max_speed = SF_FALSE ;
39−
40− if (argc == 2 && strcmp (argv [1], "--version") == 0)
41− { char buffer [64], *cptr ;
42−
43− if ((cptr = strrchr (argv [0], '/')) != NULL)
44− argv [0] = cptr + 1 ;
45− if ((cptr = strrchr (argv [0], '\\')) != NULL)
46− argv [0] = cptr + 1 ;
47−
48− sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ;
49−
50− printf ("%s (%s,%s)\n", argv [0], src_get_version (), buffer) ;
51− exit (0) ;
52− } ;
53−
54− if (argc != 5 && argc != 7 && argc != 8)
55− usage_exit (argv [0]) ;
56−
57− /* Set default converter. */
58− converter = DEFAULT_CONVERTER ;
59−
60− for (k = 1 ; k < argc - 2 ; k++)
61− { if (strcmp (argv [k], "--max-speed") == 0)
62− max_speed = SF_TRUE ;
63− else if (strcmp (argv [k], "--no-normalize") == 0)
64− normalize = 0 ;
65− else if (strcmp (argv [k], "-to") == 0)
66− { k ++ ;
67− new_sample_rate = atoi (argv [k]) ;
68− }
69− else if (strcmp (argv [k], "-by") == 0)
70− { k ++ ;
71− src_ratio = atof (argv [k]) ;
72− }
73− else if (strcmp (argv [k], "-c") == 0)
74− { k ++ ;
75− converter = atoi (argv [k]) ;
76− }
77− else
78− usage_exit (argv [0]) ;
79− } ;
80−
81− if (new_sample_rate <= 0 && src_ratio <= 0.0)
82− usage_exit (argv [0]) ;
83−
84− if (src_get_name (converter) == NULL)
85− { printf ("Error : bad converter number.\n") ;
86− usage_exit (argv [0]) ;
87− } ;
88−
89− if (strcmp (argv [argc - 2], argv [argc - 1]) == 0)
90− { printf ("Error : input and output file names are the same.\n") ;
91− exit (1) ;
92− } ;
93−
94− if ((infile = sf_open (argv [argc - 2], SFM_READ, &sfinfo)) == NULL)
95− { printf ("Error : Not able to open input file '%s'\n", argv [argc - 2]) ;
96− exit (1) ;
97− } ;
98−
99− printf ("Input File : %s\n", argv [argc - 2]) ;
100− printf ("Sample Rate : %d\n", sfinfo.samplerate) ;
101− printf ("Input Frames : %ld\n\n", (long) sfinfo.frames) ;
102−
103− if (new_sample_rate > 0)
104− { src_ratio = (1.0 * new_sample_rate) / sfinfo.samplerate ;
105− sfinfo.samplerate = new_sample_rate ;
106− }
107− else if (src_is_valid_ratio (src_ratio))
108− sfinfo.samplerate = (int) floor (sfinfo.samplerate * src_ratio) ;
109− else
110− { printf ("Not able to determine new sample rate. Exiting.\n") ;
111− sf_close (infile) ;
112− exit (1) ;
113− } ;
114−
115− if (fabs (src_ratio - 1.0) < 1e-20)
116− { printf ("Target samplerate and input samplerate are the same. Exiting.\n") ;
117− sf_close (infile) ;
118− exit (0) ;
119− } ;
120−
121− printf ("SRC Ratio : %f\n", src_ratio) ;
122− printf ("Converter : %s\n\n", src_get_name (converter)) ;
123−
124− if (src_is_valid_ratio (src_ratio) == 0)
125− { printf ("Error : Sample rate change out of valid range.\n") ;
126− sf_close (infile) ;
127− exit (1) ;
128− } ;
129−
130− /* Delete the output file length to zero if already exists. */
131− remove (argv [argc - 1]) ;
132−
133− printf ("Output file : %s\n", argv [argc - 1]) ;
134− printf ("Sample Rate : %d\n", sfinfo.samplerate) ;
135−
136− do
137− { sf_close (outfile) ;
138−
139− if ((outfile = sf_open (argv [argc - 1], SFM_WRITE, &sfinfo)) == NULL)
140− { printf ("Error : Not able to open output file '%s'\n", argv [argc - 1]) ;
141− sf_close (infile) ;
142− exit (1) ;
143− } ;
144−
145− if (max_speed)
146− { /* This is mainly for the comparison program tests/src-evaluate.c */
147− sf_command (outfile, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_FALSE) ;
148− }
149− else
150− { /* Update the file header after every write. */
151− sf_command (outfile, SFC_SET_UPDATE_HEADER_AUTO, NULL, SF_TRUE) ;
152− } ;
153−
154− sf_command (outfile, SFC_SET_CLIPPING, NULL, SF_TRUE) ;
155−
156− count = sample_rate_convert (infile, outfile, converter, src_ratio, sfinfo.channels, &gain, normalize) ;
157− }
158− while (count < 0) ;
159−
160− printf ("Output Frames : %ld\n\n", (long) count) ;
161−
162− sf_close (infile) ;
163− sf_close (outfile) ;
164−
165− return 0 ;
166−} /* main */
167−
168−/*==============================================================================
169−*/
170−
171−static sf_count_t
172−sample_rate_convert (SNDFILE *infile, SNDFILE *outfile, int converter, double src_ratio, int channels, double * gain, int normalize)
173−{ static float input [BUFFER_LEN] ;
174− static float output [BUFFER_LEN] ;
175−
176− SRC_STATE *src_state ;
177− SRC_DATA src_data ;
178− int error ;
179− double max = 0.0 ;
180− sf_count_t output_count = 0 ;
181−
182− sf_seek (infile, 0, SEEK_SET) ;
183− sf_seek (outfile, 0, SEEK_SET) ;
184−
185− /* Initialize the sample rate converter. */
186− if ((src_state = src_new (converter, channels, &error)) == NULL)
187− { printf ("\n\nError : src_new() failed : %s.\n\n", src_strerror (error)) ;
188− exit (1) ;
189− } ;
190−
191− src_data.end_of_input = 0 ; /* Set this later. */
192−
193− /* Start with zero to force load in while loop. */
194− src_data.input_frames = 0 ;
195− src_data.data_in = input ;
196−
197− src_data.src_ratio = src_ratio ;
198−
199− src_data.data_out = output ;
200− src_data.output_frames = BUFFER_LEN /channels ;
201−
202− while (1)
203− {
204− /* If the input buffer is empty, refill it. */
205− if (src_data.input_frames == 0)
206− { src_data.input_frames = sf_readf_float (infile, input, BUFFER_LEN / channels) ;
207− src_data.data_in = input ;
208−
209− /* The last read will not be a full buffer, so snd_of_input. */
210− if (src_data.input_frames < BUFFER_LEN / channels)
211− src_data.end_of_input = SF_TRUE ;
212− } ;
213−
214− if ((error = src_process (src_state, &src_data)))
215− { printf ("\nError : %s\n", src_strerror (error)) ;
216− exit (1) ;
217− } ;
218−
219− /* Terminate if done. */
220− if (src_data.end_of_input && src_data.output_frames_gen == 0)
221− break ;
222−
223− max = apply_gain (src_data.data_out, src_data.output_frames_gen, channels, max, *gain) ;
224−
225− /* Write output. */
226− sf_writef_float (outfile, output, src_data.output_frames_gen) ;
227− output_count += src_data.output_frames_gen ;
228−
229− src_data.data_in += src_data.input_frames_used * channels ;
230− src_data.input_frames -= src_data.input_frames_used ;
231− } ;
232−
233− src_delete (src_state) ;
234−
235− if (normalize && max > 1.0)
236− { *gain = 1.0 / max ;
237− printf ("\nOutput has clipped. Restarting conversion to prevent clipping.\n\n") ;
238− return -1 ;
239− } ;
240−
241− return output_count ;
242−} /* sample_rate_convert */
243−
244−static double
245−apply_gain (float * data, long frames, int channels, double max, double gain)
246−{
247− long k ;
248−
249− for (k = 0 ; k < frames * channels ; k++)
250− { data [k] *= gain ;
251−
252− if (fabs (data [k]) > max)
253− max = fabs (data [k]) ;
254− } ;
255−
256− return max ;
257−} /* apply_gain */
258−
259−static void
260−usage_exit (const char *progname)
261−{ char lsf_ver [128] ;
262− const char *cptr ;
263− int k ;
264−
265− if ((cptr = strrchr (progname, '/')) != NULL)
266− progname = cptr + 1 ;
267−
268− if ((cptr = strrchr (progname, '\\')) != NULL)
269− progname = cptr + 1 ;
270−
271−
272− sf_command (NULL, SFC_GET_LIB_VERSION, lsf_ver, sizeof (lsf_ver)) ;
273−
274− printf ("\n"
275− " A Sample Rate Converter using libsndfile for file I/O and Secret \n"
276− " Rabbit Code (aka libsamplerate) for performing the conversion.\n"
277− " It works on any file format supported by libsndfile with any \n"
278− " number of channels (limited only by host memory).\n"
279− "\n"
280− " %s\n"
281− " %s\n"
282− "\n"
283− " Usage : \n"
284− " %s -to <new sample rate> [-c <number>] <input file> <output file>\n"
285− " %s -by <amount> [-c <number>] <input file> <output file>\n"
286− "\n", src_get_version (), lsf_ver, progname, progname) ;
287−
288− puts (
289− " The optional -c argument allows the converter type to be chosen from\n"
290− " the following list :"
291− "\n"
292− ) ;
293−
294− for (k = 0 ; (cptr = src_get_name (k)) != NULL ; k++)
295− printf (" %d : %s%s\n", k, cptr, k == DEFAULT_CONVERTER ? " (default)" : "") ;
296−
297− puts ("\n"
298− " The --no-normalize option disables clipping check and normalization.") ;
299−
300− puts ("") ;
301−
302− exit (1) ;
303−} /* usage_exit */
304−
305−/*==============================================================================
306−*/
307−
308−#else /* (HAVE_SNFILE == 0) */
309−
310−/* Alternative main function when libsndfile is not available. */
311−
312−int
313−main (void)
314−{ puts (
315− "\n"
316− "****************************************************************\n"
317− " This example program was compiled without libsndfile \n"
318− " (http://www.mega-nerd.com/libsndfile/).\n"
319− " It is therefore completely broken and non-functional.\n"
320− "****************************************************************\n"
321− "\n"
322− ) ;
323−
324− return 0 ;
325−} /* main */
326−
327−#endif
328−

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