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encode.c
资源名称：tcpmp.rar　[点击查看]
上传用户：wstnjxml
上传日期：2014-04-03
资源大小：7248k
文件大小：85k
源码类别：

Windows CE

开发平台：

C/C++

encode.c：源码内容
  1. /* flac - Command-line FLAC encoder/decoder
  2.  * Copyright (C) 2000,2001,2002,2003,2004,2005  Josh Coalson
  3.  *
  4.  * This program is free software; you can redistribute it and/or
  5.  * modify it under the terms of the GNU General Public License
  6.  * as published by the Free Software Foundation; either version 2
  7.  * of the License, or (at your option) any later version.
  8.  *
  9.  * This program is distributed in the hope that it will be useful,
  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12.  * GNU General Public License for more details.
  13.  *
  14.  * You should have received a copy of the GNU General Public License
  15.  * along with this program; if not, write to the Free Software
  16.  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17.  */
  19. #if defined _WIN32 && !defined __CYGWIN__
  20. /* where MSVC puts unlink() */
  21. # include <io.h>
  22. #else
  23. # include <unistd.h>
  24. #endif
  25. #include <limits.h> /* for LONG_MAX */
  26. #include <math.h> /* for floor() */
  27. #include <stdio.h> /* for FILE etc. */
  28. #include <stdlib.h> /* for malloc */
  29. #include <string.h> /* for strcmp() */
  30. #include "FLAC/all.h"
  31. #include "share/grabbag.h"
  32. #include "encode.h"
  34. #ifdef HAVE_CONFIG_H
  35. #include <config.h>
  36. #endif
  38. #ifdef FLAC__HAS_OGG
  39. #include "OggFLAC/stream_encoder.h"
  40. #include "OggFLAC/file_encoder.h"
  41. #endif
  43. #ifdef min
  44. #undef min
  45. #endif
  46. #define min(x,y) ((x)<(y)?(x):(y))
  47. #ifdef max
  48. #undef max
  49. #endif
  50. #define max(x,y) ((x)>(y)?(x):(y))
  52. /* this MUST be >= 588 so that sector aligning can take place with one read */
  53. #define CHUNK_OF_SAMPLES 2048
  55. typedef struct {
  56. #ifdef FLAC__HAS_OGG
  57. FLAC__bool use_ogg;
  58. #endif
  59. FLAC__bool verify;
  60. FLAC__bool is_stdout;
  61. const char *inbasefilename;
  62. const char *outfilename;
  64. FLAC__uint64 skip;
  65. FLAC__uint64 until; /* a value of 0 mean end-of-stream (i.e. --until=-0) */
  66. FLAC__bool replay_gain;
  67. unsigned channels;
  68. unsigned bits_per_sample;
  69. unsigned sample_rate;
  70. FLAC__uint64 unencoded_size;
  71. FLAC__uint64 total_samples_to_encode;
  72. FLAC__uint64 bytes_written;
  73. FLAC__uint64 samples_written;
  74. unsigned blocksize;
  75. unsigned stats_mask;
  77. /*
  78.  * We use *.stream for encoding to stdout
  79.  * We use *.file for encoding to a regular file
  80.  */
  81. union {
  82. union {
  83. FLAC__StreamEncoder *stream;
  84. FLAC__FileEncoder *file;
  85. } flac;
  86. #ifdef FLAC__HAS_OGG
  87. union {
  88. OggFLAC__StreamEncoder *stream;
  89. OggFLAC__FileEncoder *file;
  90. } ogg;
  91. #endif
  92. } encoder;
  94. FILE *fin;
  95. FILE *fout;
  96. FLAC__StreamMetadata *seek_table_template;
  97. } EncoderSession;
  100. static FLAC__bool is_big_endian_host_;
  102. static unsigned char ucbuffer_[CHUNK_OF_SAMPLES*FLAC__MAX_CHANNELS*((FLAC__REFERENCE_CODEC_MAX_BITS_PER_SAMPLE+7)/8)];
  103. static signed char *scbuffer_ = (signed char *)ucbuffer_;
  104. static FLAC__uint16 *usbuffer_ = (FLAC__uint16 *)ucbuffer_;
  105. static FLAC__int16 *ssbuffer_ = (FLAC__int16 *)ucbuffer_;
  107. static FLAC__int32 in_[FLAC__MAX_CHANNELS][CHUNK_OF_SAMPLES];
  108. static FLAC__int32 *input_[FLAC__MAX_CHANNELS];
  111. /*
  112.  * unpublished debug routines from the FLAC libs
  113.  */
  114. extern FLAC__bool FLAC__stream_encoder_disable_constant_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
  115. extern FLAC__bool FLAC__stream_encoder_disable_fixed_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
  116. extern FLAC__bool FLAC__stream_encoder_disable_verbatim_subframes(FLAC__StreamEncoder *encoder, FLAC__bool value);
  117. extern FLAC__bool FLAC__file_encoder_disable_constant_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
  118. extern FLAC__bool FLAC__file_encoder_disable_fixed_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
  119. extern FLAC__bool FLAC__file_encoder_disable_verbatim_subframes(FLAC__FileEncoder *encoder, FLAC__bool value);
  120. #ifdef FLAC__HAS_OGG
  121. extern FLAC__bool OggFLAC__stream_encoder_disable_constant_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
  122. extern FLAC__bool OggFLAC__stream_encoder_disable_fixed_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
  123. extern FLAC__bool OggFLAC__stream_encoder_disable_verbatim_subframes(OggFLAC__StreamEncoder *encoder, FLAC__bool value);
  124. extern FLAC__bool OggFLAC__file_encoder_disable_constant_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
  125. extern FLAC__bool OggFLAC__file_encoder_disable_fixed_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
  126. extern FLAC__bool OggFLAC__file_encoder_disable_verbatim_subframes(OggFLAC__FileEncoder *encoder, FLAC__bool value);
  127. #endif
  129. /*
  130.  * local routines
  131.  */
  132. static FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FILE *infile, const char *infilename, const char *outfilename);
  133. static void EncoderSession_destroy(EncoderSession *e);
  134. static int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero);
  135. static int EncoderSession_finish_error(EncoderSession *e);
  136. static FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate);
  137. static FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples);
  138. static FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e);
  139. static FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input);
  140. static void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps);
  141. #ifdef FLAC__HAS_OGG
  142. static FLAC__StreamEncoderWriteStatus ogg_stream_encoder_write_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
  143. static void ogg_stream_encoder_metadata_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
  144. static void ogg_file_encoder_progress_callback(const OggFLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);
  145. #endif
  146. static FLAC__StreamEncoderWriteStatus flac_stream_encoder_write_callback(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data);
  147. static void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data);
  148. static void flac_file_encoder_progress_callback(const FLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data);
  149. static FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset);
  150. static void print_stats(const EncoderSession *encoder_session);
  151. static void print_error_with_state(const EncoderSession *e, const char *message);
  152. static void print_verify_error(EncoderSession *e);
  153. static FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
  154. static FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
  155. static FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn);
  156. static FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
  157. static FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn);
  158. static FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset);
  160. /*
  161.  * public routines
  162.  */
  163. int
  164. flac__encode_aif(FILE *infile, long infilesize, const char *infilename, const char *outfilename,
  165. const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
  166. {
  167. EncoderSession encoder_session;
  168. FLAC__uint16 x;
  169. FLAC__uint32 xx;
  170. unsigned int channels= 0U, bps= 0U, sample_rate= 0U, sample_frames= 0U;
  171. FLAC__bool got_comm_chunk= false, got_ssnd_chunk= false;
  172. int info_align_carry= -1, info_align_zero= -1;
  174. (void)infilesize; /* silence compiler warning about unused parameter */
  175. (void)lookahead; /* silence compiler warning about unused parameter */
  176. (void)lookahead_length; /* silence compiler warning about unused parameter */
  178. if(!
  179. EncoderSession_construct(
  180. &encoder_session,
  181. #ifdef FLAC__HAS_OGG
  182. options.common.use_ogg,
  183. #else
  184. /*use_ogg=*/false,
  185. #endif
  186. options.common.verify,
  187. infile,
  188. infilename,
  189. outfilename
  190. )
  191. )
  192. return 1;
  194. /* lookahead[] already has "FORMxxxxAIFF", do sub-chunks */
  196. while(1) {
  197. size_t c= 0U;
  198. char chunk_id[4];
  200. /* chunk identifier; really conservative about behavior of fread() and feof() */
  201. if(feof(infile) || ((c= fread(chunk_id, 1U, 4U, infile)), c==0U && feof(infile)))
  202. break;
  203. else if(c<4U || feof(infile)) {
  204. flac__utils_printf(stderr, 1, "%s: ERROR: incomplete chunk identifiern", encoder_session.inbasefilename);
  205. return EncoderSession_finish_error(&encoder_session);
  206. }
  208. if(got_comm_chunk==false && !strncmp(chunk_id, "COMM", 4)) { /* common chunk */
  209. unsigned long skip;
  211. /* COMM chunk size */
  212. if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  213. return EncoderSession_finish_error(&encoder_session);
  214. else if(xx<18U) {
  215. flac__utils_printf(stderr, 1, "%s: ERROR: non-standard 'COMM' chunk has length = %un", encoder_session.inbasefilename, (unsigned int)xx);
  216. return EncoderSession_finish_error(&encoder_session);
  217. }
  218. else if(xx!=18U) {
  219. flac__utils_printf(stderr, 1, "%s: WARNING: non-standard 'COMM' chunk has length = %un", encoder_session.inbasefilename, (unsigned int)xx);
  220. }
  221. skip= (xx-18U)+(xx & 1U);
  223. /* number of channels */
  224. if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
  225. return EncoderSession_finish_error(&encoder_session);
  226. else if(x==0U || x>FLAC__MAX_CHANNELS) {
  227. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %un", encoder_session.inbasefilename, (unsigned int)x);
  228. return EncoderSession_finish_error(&encoder_session);
  229. }
  230. else if(options.common.sector_align && x!=2U) {
  231. flac__utils_printf(stderr, 1, "%s: ERROR: file has %u channels, must be 2 for --sector-alignn", encoder_session.inbasefilename, (unsigned int)x);
  232. return EncoderSession_finish_error(&encoder_session);
  233. }
  234. channels= x;
  236. /* number of sample frames */
  237. if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  238. return EncoderSession_finish_error(&encoder_session);
  239. sample_frames= xx;
  241. /* bits per sample */
  242. if(!read_big_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
  243. return EncoderSession_finish_error(&encoder_session);
  244. else if(x!=8U && x!=16U && x!=24U) {
  245. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported bits per sample %un", encoder_session.inbasefilename, (unsigned int)x);
  246. return EncoderSession_finish_error(&encoder_session);
  247. }
  248. else if(options.common.sector_align && x!=16U) {
  249. flac__utils_printf(stderr, 1, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-alignn", encoder_session.inbasefilename, (unsigned int)x);
  250. return EncoderSession_finish_error(&encoder_session);
  251. }
  252. bps= x;
  254. /* sample rate */
  255. if(!read_sane_extended(infile, &xx, false, encoder_session.inbasefilename))
  256. return EncoderSession_finish_error(&encoder_session);
  257. else if(!FLAC__format_sample_rate_is_valid(xx)) {
  258. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported sample rate %un", encoder_session.inbasefilename, (unsigned int)xx);
  259. return EncoderSession_finish_error(&encoder_session);
  260. }
  261. else if(options.common.sector_align && xx!=44100U) {
  262. flac__utils_printf(stderr, 1, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-alignn", encoder_session.inbasefilename, (unsigned int)xx);
  263. return EncoderSession_finish_error(&encoder_session);
  264. }
  265. sample_rate= xx;
  267. /* skip any extra data in the COMM chunk */
  268. if(!fskip_ahead(infile, skip)) {
  269. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping extra COMM datan", encoder_session.inbasefilename);
  270. return EncoderSession_finish_error(&encoder_session);
  271. }
  273. /*
  274.  * now that we know the sample rate, canonicalize the
  275.  * --skip string to a number of samples:
  276.  */
  277. flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
  278. FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
  279. encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
  280. FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
  282. got_comm_chunk= true;
  283. }
  284. else if(got_ssnd_chunk==false && !strncmp(chunk_id, "SSND", 4)) { /* sound data chunk */
  285. unsigned int offset= 0U, block_size= 0U, align_remainder= 0U, data_bytes;
  286. size_t bytes_per_frame= channels*(bps>>3);
  287. FLAC__uint64 total_samples_in_input, trim = 0;
  288. FLAC__bool pad= false;
  290. if(got_comm_chunk==false) {
  291. flac__utils_printf(stderr, 1, "%s: ERROR: got 'SSND' chunk before 'COMM' chunkn", encoder_session.inbasefilename);
  292. return EncoderSession_finish_error(&encoder_session);
  293. }
  295. /* SSND chunk size */
  296. if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  297. return EncoderSession_finish_error(&encoder_session);
  298. data_bytes= xx;
  299. pad= (data_bytes & 1U) ? true : false;
  300. data_bytes-= 8U; /* discount the offset and block size fields */
  302. /* offset */
  303. if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  304. return EncoderSession_finish_error(&encoder_session);
  305. offset= xx;
  306. data_bytes-= offset;
  308. /* block size */
  309. if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  310. return EncoderSession_finish_error(&encoder_session);
  311. else if(xx!=0U) {
  312. flac__utils_printf(stderr, 1, "%s: ERROR: block size is %u; must be 0n", encoder_session.inbasefilename, (unsigned int)xx);
  313. return EncoderSession_finish_error(&encoder_session);
  314. }
  315. block_size= xx;
  317. /* skip any SSND offset bytes */
  318. FLAC__ASSERT(offset<=LONG_MAX);
  319. if(!fskip_ahead(infile, offset)) {
  320. flac__utils_printf(stderr, 1, "%s: ERROR: skipping offset in SSND chunkn", encoder_session.inbasefilename);
  321. return EncoderSession_finish_error(&encoder_session);
  322. }
  323. if(data_bytes!=(sample_frames*bytes_per_frame)) {
  324. flac__utils_printf(stderr, 1, "%s: ERROR: SSND chunk size inconsistent with sample frame countn", encoder_session.inbasefilename);
  325. return EncoderSession_finish_error(&encoder_session);
  326. }
  328. /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
  329. FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
  330. total_samples_in_input = data_bytes / bytes_per_frame + *options.common.align_reservoir_samples;
  332. /*
  333.  * now that we know the input size, canonicalize the
  334.  * --until string to an absolute sample number:
  335.  */
  336. if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
  337. return EncoderSession_finish_error(&encoder_session);
  338. encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
  339. FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
  341. if(encoder_session.skip>0U) {
  342. if(!fskip_ahead(infile, encoder_session.skip*bytes_per_frame)) {
  343. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samplesn", encoder_session.inbasefilename);
  344. return EncoderSession_finish_error(&encoder_session);
  345. }
  346. }
  348. data_bytes-= (unsigned int)encoder_session.skip*bytes_per_frame; /*@@@ WATCHOUT: 4GB limit */
  349. encoder_session.total_samples_to_encode= total_samples_in_input - encoder_session.skip;
  350. if(encoder_session.until > 0) {
  351. trim = total_samples_in_input - encoder_session.until;
  352. FLAC__ASSERT(total_samples_in_input > 0);
  353. FLAC__ASSERT(!options.common.sector_align);
  354. data_bytes-= (unsigned int)trim*bytes_per_frame;
  355. encoder_session.total_samples_to_encode-= trim;
  356. }
  357. if(options.common.sector_align) {
  358. align_remainder= (unsigned int)(encoder_session.total_samples_to_encode % 588U);
  359. if(options.common.is_last_file)
  360. encoder_session.total_samples_to_encode+= (588U-align_remainder); /* will pad with zeroes */
  361. else
  362. encoder_session.total_samples_to_encode-= align_remainder; /* will stop short and carry over to next file */
  363. }
  365. /* +54 for the size of the AIFF headers; this is just an estimate for the progress indicator and doesn't need to be exact */
  366. encoder_session.unencoded_size= encoder_session.total_samples_to_encode*bytes_per_frame+54;
  368. if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
  369. return EncoderSession_finish_error(&encoder_session);
  371. /* first do any samples in the reservoir */
  372. if(options.common.sector_align && *options.common.align_reservoir_samples>0U) {
  374. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
  375. print_error_with_state(&encoder_session, "ERROR during encoding");
  376. return EncoderSession_finish_error(&encoder_session);
  377. }
  378. }
  380. /* decrement the data_bytes counter if we need to align the file */
  381. if(options.common.sector_align) {
  382. if(options.common.is_last_file)
  383. *options.common.align_reservoir_samples= 0U;
  384. else {
  385. *options.common.align_reservoir_samples= align_remainder;
  386. data_bytes-= (*options.common.align_reservoir_samples)*bytes_per_frame;
  387. }
  388. }
  390. /* now do from the file */
  391. while(data_bytes>0) {
  392. size_t bytes_read= fread(ucbuffer_, 1U, min(data_bytes, CHUNK_OF_SAMPLES*bytes_per_frame), infile);
  394. if(bytes_read==0U) {
  395. if(ferror(infile)) {
  396. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  397. return EncoderSession_finish_error(&encoder_session);
  398. }
  399. else if(feof(infile)) {
  400. flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %u samples, got %u samplesn", encoder_session.inbasefilename, (unsigned int)encoder_session.total_samples_to_encode, (unsigned int)encoder_session.samples_written);
  401. data_bytes= 0;
  402. }
  403. }
  404. else {
  405. if(bytes_read % bytes_per_frame != 0U) {
  406. flac__utils_printf(stderr, 1, "%s: ERROR: got partial samplen", encoder_session.inbasefilename);
  407. return EncoderSession_finish_error(&encoder_session);
  408. }
  409. else {
  410. unsigned int frames= bytes_read/bytes_per_frame;
  411. format_input(input_, frames, true, false, channels, bps);
  413. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, frames)) {
  414. print_error_with_state(&encoder_session, "ERROR during encoding");
  415. return EncoderSession_finish_error(&encoder_session);
  416. }
  417. else
  418. data_bytes-= bytes_read;
  419. }
  420. }
  421. }
  423. if(trim>0) {
  424. FLAC__ASSERT(!options.common.sector_align);
  425. if(!fskip_ahead(infile, trim*bytes_per_frame)) {
  426. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samplesn", encoder_session.inbasefilename);
  427. return EncoderSession_finish_error(&encoder_session);
  428. }
  429. }
  431. /* now read unaligned samples into reservoir or pad with zeroes if necessary */
  432. if(options.common.sector_align) {
  433. if(options.common.is_last_file) {
  434. unsigned int pad_frames= 588U-align_remainder;
  436. if(pad_frames<588U) {
  437. unsigned int i;
  439. info_align_zero= pad_frames;
  440. for(i= 0U; i<channels; ++i)
  441. memset(input_[i], 0, pad_frames*(bps>>3));
  443. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 *const *)input_, pad_frames)) {
  444. print_error_with_state(&encoder_session, "ERROR during encoding");
  445. return EncoderSession_finish_error(&encoder_session);
  446. }
  447. }
  448. }
  449. else {
  450. if(*options.common.align_reservoir_samples > 0) {
  451. size_t bytes_read= fread(ucbuffer_, 1U, (*options.common.align_reservoir_samples)*bytes_per_frame, infile);
  453. FLAC__ASSERT(CHUNK_OF_SAMPLES>=588U);
  454. if(bytes_read==0U && ferror(infile)) {
  455. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  456. return EncoderSession_finish_error(&encoder_session);
  457. }
  458. else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_frame) {
  459. flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; read %u bytes; expected %u samples, got %u samplesn", encoder_session.inbasefilename, (unsigned int)bytes_read, (unsigned int)encoder_session.total_samples_to_encode, (unsigned int)encoder_session.samples_written);
  460. }
  461. else {
  462. info_align_carry= *options.common.align_reservoir_samples;
  463. format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, true, false, channels, bps);
  464. }
  465. }
  466. }
  467. }
  469. if(pad==true) {
  470. unsigned char tmp;
  472. if(fread(&tmp, 1U, 1U, infile)<1U) {
  473. flac__utils_printf(stderr, 1, "%s: ERROR during read of SSND pad byten", encoder_session.inbasefilename);
  474. return EncoderSession_finish_error(&encoder_session);
  475. }
  476. }
  478. got_ssnd_chunk= true;
  479. }
  480. else { /* other chunk */
  481. if(!strncmp(chunk_id, "COMM", 4)) {
  482. flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'COMM' chunkn", encoder_session.inbasefilename);
  483. }
  484. else if(!strncmp(chunk_id, "SSND", 4)) {
  485. flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'SSND' chunkn", encoder_session.inbasefilename);
  486. }
  487. else {
  488. flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown chunk '%s'n", encoder_session.inbasefilename, chunk_id);
  489. }
  491. /* chunk size */
  492. if(!read_big_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  493. return EncoderSession_finish_error(&encoder_session);
  494. else {
  495. unsigned long skip= xx+(xx & 1U);
  497. FLAC__ASSERT(skip<=LONG_MAX);
  498. if(!fskip_ahead(infile, skip)) {
  499. fprintf(stderr, "%s: ERROR during read while skipping unknown chunkn", encoder_session.inbasefilename);
  500. return EncoderSession_finish_error(&encoder_session);
  501. }
  502. }
  503. }
  504. }
  506. if(got_ssnd_chunk==false && sample_frames!=0U) {
  507. flac__utils_printf(stderr, 1, "%s: ERROR: missing SSND chunkn", encoder_session.inbasefilename);
  508. return EncoderSession_finish_error(&encoder_session);
  509. }
  511. return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
  512. }
  514. int flac__encode_wav(FILE *infile, long infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, wav_encode_options_t options)
  515. {
  516. EncoderSession encoder_session;
  517. FLAC__bool is_unsigned_samples = false;
  518. unsigned channels = 0, bps = 0, sample_rate = 0, data_bytes;
  519. size_t bytes_per_wide_sample, bytes_read;
  520. FLAC__uint16 x;
  521. FLAC__uint32 xx;
  522. FLAC__bool got_fmt_chunk = false, got_data_chunk = false;
  523. unsigned align_remainder = 0;
  524. int info_align_carry = -1, info_align_zero = -1;
  526. (void)infilesize;
  527. (void)lookahead;
  528. (void)lookahead_length;
  530. if(!
  531. EncoderSession_construct(
  532. &encoder_session,
  533. #ifdef FLAC__HAS_OGG
  534. options.common.use_ogg,
  535. #else
  536. /*use_ogg=*/false,
  537. #endif
  538. options.common.verify,
  539. infile,
  540. infilename,
  541. outfilename
  542. )
  543. )
  544. return 1;
  546. /*
  547.  * lookahead[] already has "RIFFxxxxWAVE", do sub-chunks
  548.  */
  549. while(!feof(infile)) {
  550. if(!read_little_endian_uint32(infile, &xx, true, encoder_session.inbasefilename))
  551. return EncoderSession_finish_error(&encoder_session);
  552. if(feof(infile))
  553. break;
  554. if(xx == 0x20746d66 && !got_fmt_chunk) { /* "fmt " */
  555. unsigned block_align;
  557. /* fmt sub-chunk size */
  558. if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  559. return EncoderSession_finish_error(&encoder_session);
  560. if(xx < 16) {
  561. flac__utils_printf(stderr, 1, "%s: ERROR: found non-standard 'fmt ' sub-chunk which has length = %un", encoder_session.inbasefilename, (unsigned)xx);
  562. return EncoderSession_finish_error(&encoder_session);
  563. }
  564. else if(xx != 16 && xx != 18) {
  565. flac__utils_printf(stderr, 1, "%s: WARNING: found non-standard 'fmt ' sub-chunk which has length = %un", encoder_session.inbasefilename, (unsigned)xx);
  566. }
  567. data_bytes = xx;
  568. /* compression code */
  569. if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
  570. return EncoderSession_finish_error(&encoder_session);
  571. if(x != 1) {
  572. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported compression type %un", encoder_session.inbasefilename, (unsigned)x);
  573. return EncoderSession_finish_error(&encoder_session);
  574. }
  575. /* number of channels */
  576. if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
  577. return EncoderSession_finish_error(&encoder_session);
  578. if(x == 0 || x > FLAC__MAX_CHANNELS) {
  579. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported number channels %un", encoder_session.inbasefilename, (unsigned)x);
  580. return EncoderSession_finish_error(&encoder_session);
  581. }
  582. else if(options.common.sector_align && x != 2) {
  583. flac__utils_printf(stderr, 1, "%s: ERROR: file has %u channels, must be 2 for --sector-alignn", encoder_session.inbasefilename, (unsigned)x);
  584. return EncoderSession_finish_error(&encoder_session);
  585. }
  586. channels = x;
  587. /* sample rate */
  588. if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  589. return EncoderSession_finish_error(&encoder_session);
  590. if(!FLAC__format_sample_rate_is_valid(xx)) {
  591. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported sample rate %un", encoder_session.inbasefilename, (unsigned)xx);
  592. return EncoderSession_finish_error(&encoder_session);
  593. }
  594. else if(options.common.sector_align && xx != 44100) {
  595. flac__utils_printf(stderr, 1, "%s: ERROR: file's sample rate is %u, must be 44100 for --sector-alignn", encoder_session.inbasefilename, (unsigned)xx);
  596. return EncoderSession_finish_error(&encoder_session);
  597. }
  598. sample_rate = xx;
  599. /* avg bytes per second (ignored) */
  600. if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  601. return EncoderSession_finish_error(&encoder_session);
  602. /* block align */
  603. if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
  604. return EncoderSession_finish_error(&encoder_session);
  605. block_align = x;
  606. /* bits per sample */
  607. if(!read_little_endian_uint16(infile, &x, false, encoder_session.inbasefilename))
  608. return EncoderSession_finish_error(&encoder_session);
  609. if(x != 8 && x != 16 && x != 24) {
  610. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported bits-per-sample %un", encoder_session.inbasefilename, (unsigned)x);
  611. return EncoderSession_finish_error(&encoder_session);
  612. }
  613. else if(options.common.sector_align && x != 16) {
  614. flac__utils_printf(stderr, 1, "%s: ERROR: file has %u bits per sample, must be 16 for --sector-alignn", encoder_session.inbasefilename, (unsigned)x);
  615. return EncoderSession_finish_error(&encoder_session);
  616. }
  617. bps = x;
  618. if(bps * channels != block_align * 8) {
  619. flac__utils_printf(stderr, 1, "%s: ERROR: unsupported block alignment (%u), for bits-per-sample=%u, channels=%un", encoder_session.inbasefilename, block_align, bps, channels);
  620. return EncoderSession_finish_error(&encoder_session);
  621. }
  622. is_unsigned_samples = (x == 8);
  624. /* skip any extra data in the fmt sub-chunk */
  625. data_bytes -= 16;
  626. if(data_bytes > 0) {
  627. unsigned left, need;
  628. for(left = data_bytes; left > 0; ) {
  629. need = min(left, CHUNK_OF_SAMPLES);
  630. if(fread(ucbuffer_, 1U, need, infile) < need) {
  631. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samplesn", encoder_session.inbasefilename);
  632. return EncoderSession_finish_error(&encoder_session);
  633. }
  634. left -= need;
  635. }
  636. }
  638. /*
  639.  * now that we know the sample rate, canonicalize the
  640.  * --skip string to a number of samples:
  641.  */
  642. flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, sample_rate);
  643. FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
  644. encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
  645. FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
  647. got_fmt_chunk = true;
  648. }
  649. else if(xx == 0x61746164 && !got_data_chunk && got_fmt_chunk) { /* "data" */
  650. FLAC__uint64 total_samples_in_input, trim = 0;
  651. FLAC__bool pad = false;
  653. /* data size */
  654. if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  655. return EncoderSession_finish_error(&encoder_session);
  656. data_bytes = xx;
  657. pad = (data_bytes & 1U) ? true : false;
  659. bytes_per_wide_sample = channels * (bps >> 3);
  661. /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
  662. FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
  663. total_samples_in_input = data_bytes / bytes_per_wide_sample + *options.common.align_reservoir_samples;
  665. /*
  666.  * now that we know the input size, canonicalize the
  667.  * --until string to an absolute sample number:
  668.  */
  669. if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, sample_rate, encoder_session.skip, total_samples_in_input))
  670. return EncoderSession_finish_error(&encoder_session);
  671. encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
  672. FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
  674. if(encoder_session.skip > 0) {
  675. if(!fskip_ahead(infile, encoder_session.skip * bytes_per_wide_sample)) {
  676. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samplesn", encoder_session.inbasefilename);
  677. return EncoderSession_finish_error(&encoder_session);
  678. }
  679. }
  681. data_bytes -= (unsigned)encoder_session.skip * bytes_per_wide_sample; /*@@@ WATCHOUT: 4GB limit */
  682. encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
  683. if(encoder_session.until > 0) {
  684. trim = total_samples_in_input - encoder_session.until;
  685. FLAC__ASSERT(total_samples_in_input > 0);
  686. FLAC__ASSERT(!options.common.sector_align);
  687. data_bytes -= (unsigned int)trim * bytes_per_wide_sample;
  688. encoder_session.total_samples_to_encode -= trim;
  689. }
  690. if(options.common.sector_align) {
  691. align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
  692. if(options.common.is_last_file)
  693. encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
  694. else
  695. encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
  696. }
  698. /* +44 for the size of the WAV headers; this is just an estimate for the progress indicator and doesn't need to be exact */
  699. encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample + 44;
  701. if(!EncoderSession_init_encoder(&encoder_session, options.common, channels, bps, sample_rate))
  702. return EncoderSession_finish_error(&encoder_session);
  704. /*
  705.  * first do any samples in the reservoir
  706.  */
  707. if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
  708. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
  709. print_error_with_state(&encoder_session, "ERROR during encoding");
  710. return EncoderSession_finish_error(&encoder_session);
  711. }
  712. }
  714. /*
  715.  * decrement the data_bytes counter if we need to align the file
  716.  */
  717. if(options.common.sector_align) {
  718. if(options.common.is_last_file) {
  719. *options.common.align_reservoir_samples = 0;
  720. }
  721. else {
  722. *options.common.align_reservoir_samples = align_remainder;
  723. data_bytes -= (*options.common.align_reservoir_samples) * bytes_per_wide_sample;
  724. }
  725. }
  727. /*
  728.  * now do from the file
  729.  */
  730. while(data_bytes > 0) {
  731. bytes_read = fread(ucbuffer_, sizeof(unsigned char), min(data_bytes, CHUNK_OF_SAMPLES * bytes_per_wide_sample), infile);
  732. if(bytes_read == 0) {
  733. if(ferror(infile)) {
  734. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  735. return EncoderSession_finish_error(&encoder_session);
  736. }
  737. else if(feof(infile)) {
  738. flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %u samples, got %u samplesn", encoder_session.inbasefilename, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
  739. data_bytes = 0;
  740. }
  741. }
  742. else {
  743. if(bytes_read % bytes_per_wide_sample != 0) {
  744. flac__utils_printf(stderr, 1, "%s: ERROR: got partial samplen", encoder_session.inbasefilename);
  745. return EncoderSession_finish_error(&encoder_session);
  746. }
  747. else {
  748. unsigned wide_samples = bytes_read / bytes_per_wide_sample;
  749. format_input(input_, wide_samples, false, is_unsigned_samples, channels, bps);
  751. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
  752. print_error_with_state(&encoder_session, "ERROR during encoding");
  753. return EncoderSession_finish_error(&encoder_session);
  754. }
  755. data_bytes -= bytes_read;
  756. }
  757. }
  758. }
  760. if(trim > 0) {
  761. FLAC__ASSERT(!options.common.sector_align);
  762. if(!fskip_ahead(infile, trim * bytes_per_wide_sample)) {
  763. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samplesn", encoder_session.inbasefilename);
  764. return EncoderSession_finish_error(&encoder_session);
  765. }
  766. }
  768. /*
  769.  * now read unaligned samples into reservoir or pad with zeroes if necessary
  770.  */
  771. if(options.common.sector_align) {
  772. if(options.common.is_last_file) {
  773. unsigned wide_samples = 588 - align_remainder;
  774. if(wide_samples < 588) {
  775. unsigned channel;
  777. info_align_zero = wide_samples;
  778. data_bytes = wide_samples * (bps >> 3);
  779. for(channel = 0; channel < channels; channel++)
  780. memset(input_[channel], 0, data_bytes);
  782. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
  783. print_error_with_state(&encoder_session, "ERROR during encoding");
  784. return EncoderSession_finish_error(&encoder_session);
  785. }
  786. }
  787. }
  788. else {
  789. if(*options.common.align_reservoir_samples > 0) {
  790. FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
  791. bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
  792. if(bytes_read == 0 && ferror(infile)) {
  793. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  794. return EncoderSession_finish_error(&encoder_session);
  795. }
  796. else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
  797. flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; read %u bytes; expected %u samples, got %u samplesn", encoder_session.inbasefilename, (unsigned)bytes_read, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
  798. data_bytes = 0;
  799. }
  800. else {
  801. info_align_carry = *options.common.align_reservoir_samples;
  802. format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, is_unsigned_samples, channels, bps);
  803. }
  804. }
  805. }
  806. }
  808. if(pad == true) {
  809. unsigned char tmp;
  811. if(fread(&tmp, 1U, 1U, infile) < 1U) {
  812. flac__utils_printf(stderr, 1, "%s: ERROR during read of data pad byten", encoder_session.inbasefilename);
  813. return EncoderSession_finish_error(&encoder_session);
  814. }
  815. }
  817. got_data_chunk = true;
  818. }
  819. else {
  820. if(xx == 0x20746d66 && got_fmt_chunk) { /* "fmt " */
  821. flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'fmt ' sub-chunkn", encoder_session.inbasefilename);
  822. }
  823. else if(xx == 0x61746164) { /* "data" */
  824. if(got_data_chunk) {
  825. flac__utils_printf(stderr, 1, "%s: WARNING: skipping extra 'data' sub-chunkn", encoder_session.inbasefilename);
  826. }
  827. else if(!got_fmt_chunk) {
  828. flac__utils_printf(stderr, 1, "%s: ERROR: got 'data' sub-chunk before 'fmt' sub-chunkn", encoder_session.inbasefilename);
  829. return EncoderSession_finish_error(&encoder_session);
  830. }
  831. else {
  832. FLAC__ASSERT(0);
  833. }
  834. }
  835. else {
  836. flac__utils_printf(stderr, 1, "%s: WARNING: skipping unknown sub-chunk '%c%c%c%c'n", encoder_session.inbasefilename, (char)(xx&255), (char)((xx>>8)&255), (char)((xx>>16)&255), (char)(xx>>24));
  837. }
  838. /* sub-chunk size */
  839. if(!read_little_endian_uint32(infile, &xx, false, encoder_session.inbasefilename))
  840. return EncoderSession_finish_error(&encoder_session);
  841. else {
  842. unsigned long skip = xx+(xx & 1U);
  844. FLAC__ASSERT(skip<=LONG_MAX);
  845. if(!fskip_ahead(infile, skip)) {
  846. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping unsupported sub-chunkn", encoder_session.inbasefilename);
  847. return EncoderSession_finish_error(&encoder_session);
  848. }
  849. }
  850. }
  851. }
  853. return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
  854. }
  856. int flac__encode_raw(FILE *infile, long infilesize, const char *infilename, const char *outfilename, const FLAC__byte *lookahead, unsigned lookahead_length, raw_encode_options_t options)
  857. {
  858. EncoderSession encoder_session;
  859. size_t bytes_read;
  860. const size_t bytes_per_wide_sample = options.channels * (options.bps >> 3);
  861. unsigned align_remainder = 0;
  862. int info_align_carry = -1, info_align_zero = -1;
  863. FLAC__uint64 total_samples_in_input = 0;;
  865. FLAC__ASSERT(!options.common.sector_align || options.channels == 2);
  866. FLAC__ASSERT(!options.common.sector_align || options.bps == 16);
  867. FLAC__ASSERT(!options.common.sector_align || options.sample_rate == 44100);
  868. FLAC__ASSERT(!options.common.sector_align || infilesize >= 0);
  869. FLAC__ASSERT(!options.common.replay_gain || options.channels <= 2);
  870. FLAC__ASSERT(!options.common.replay_gain || grabbag__replaygain_is_valid_sample_frequency(options.sample_rate));
  872. if(!
  873. EncoderSession_construct(
  874. &encoder_session,
  875. #ifdef FLAC__HAS_OGG
  876. options.common.use_ogg,
  877. #else
  878. /*use_ogg=*/false,
  879. #endif
  880. options.common.verify,
  881. infile,
  882. infilename,
  883. outfilename
  884. )
  885. )
  886. return 1;
  888. /*
  889.  * now that we know the sample rate, canonicalize the
  890.  * --skip string to a number of samples:
  891.  */
  892. flac__utils_canonicalize_skip_until_specification(&options.common.skip_specification, options.sample_rate);
  893. FLAC__ASSERT(options.common.skip_specification.value.samples >= 0);
  894. encoder_session.skip = (FLAC__uint64)options.common.skip_specification.value.samples;
  895. FLAC__ASSERT(!options.common.sector_align || encoder_session.skip == 0);
  897. if(infilesize < 0)
  898. total_samples_in_input = 0;
  899. else {
  900. /* *options.common.align_reservoir_samples will be 0 unless --sector-align is used */
  901. FLAC__ASSERT(options.common.sector_align || *options.common.align_reservoir_samples == 0);
  902. total_samples_in_input = (unsigned)infilesize / bytes_per_wide_sample + *options.common.align_reservoir_samples;
  903. }
  905. /*
  906.  * now that we know the input size, canonicalize the
  907.  * --until strings to a number of samples:
  908.  */
  909. if(!canonicalize_until_specification(&options.common.until_specification, encoder_session.inbasefilename, options.sample_rate, encoder_session.skip, total_samples_in_input))
  910. return EncoderSession_finish_error(&encoder_session);
  911. encoder_session.until = (FLAC__uint64)options.common.until_specification.value.samples;
  912. FLAC__ASSERT(!options.common.sector_align || encoder_session.until == 0);
  914. encoder_session.total_samples_to_encode = total_samples_in_input - encoder_session.skip;
  915. if(encoder_session.until > 0) {
  916. const FLAC__uint64 trim = total_samples_in_input - encoder_session.until;
  917. FLAC__ASSERT(total_samples_in_input > 0);
  918. FLAC__ASSERT(!options.common.sector_align);
  919. encoder_session.total_samples_to_encode -= trim;
  920. }
  921. if(infilesize >= 0 && options.common.sector_align) {
  922. FLAC__ASSERT(encoder_session.skip == 0);
  923. align_remainder = (unsigned)(encoder_session.total_samples_to_encode % 588);
  924. if(options.common.is_last_file)
  925. encoder_session.total_samples_to_encode += (588-align_remainder); /* will pad with zeroes */
  926. else
  927. encoder_session.total_samples_to_encode -= align_remainder; /* will stop short and carry over to next file */
  928. }
  929. encoder_session.unencoded_size = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
  931. if(encoder_session.total_samples_to_encode <= 0)
  932. flac__utils_printf(stderr, 2, "(No runtime statistics possible; please wait for encoding to finish...)n");
  934. if(encoder_session.skip > 0) {
  935. unsigned skip_bytes = bytes_per_wide_sample * (unsigned)encoder_session.skip;
  936. if(skip_bytes > lookahead_length) {
  937. skip_bytes -= lookahead_length;
  938. lookahead_length = 0;
  939. if(!fskip_ahead(infile, skip_bytes)) {
  940. flac__utils_printf(stderr, 1, "%s: ERROR during read while skipping samplesn", encoder_session.inbasefilename);
  941. return EncoderSession_finish_error(&encoder_session);
  942. }
  943. }
  944. else {
  945. lookahead += skip_bytes;
  946. lookahead_length -= skip_bytes;
  947. }
  948. }
  950. if(!EncoderSession_init_encoder(&encoder_session, options.common, options.channels, options.bps, options.sample_rate))
  951. return EncoderSession_finish_error(&encoder_session);
  953. /*
  954.  * first do any samples in the reservoir
  955.  */
  956. if(options.common.sector_align && *options.common.align_reservoir_samples > 0) {
  957. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)options.common.align_reservoir, *options.common.align_reservoir_samples)) {
  958. print_error_with_state(&encoder_session, "ERROR during encoding");
  959. return EncoderSession_finish_error(&encoder_session);
  960. }
  961. }
  963. /*
  964.  * decrement infilesize if we need to align the file
  965.  */
  966. if(options.common.sector_align) {
  967. FLAC__ASSERT(infilesize >= 0);
  968. if(options.common.is_last_file) {
  969. *options.common.align_reservoir_samples = 0;
  970. }
  971. else {
  972. *options.common.align_reservoir_samples = align_remainder;
  973. infilesize -= (long)((*options.common.align_reservoir_samples) * bytes_per_wide_sample);
  974. FLAC__ASSERT(infilesize >= 0);
  975. }
  976. }
  978. /*
  979.  * now do from the file
  980.  */
  981. if(infilesize < 0) {
  982. while(!feof(infile)) {
  983. if(lookahead_length > 0) {
  984. FLAC__ASSERT(lookahead_length < CHUNK_OF_SAMPLES * bytes_per_wide_sample);
  985. memcpy(ucbuffer_, lookahead, lookahead_length);
  986. bytes_read = fread(ucbuffer_+lookahead_length, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample - lookahead_length, infile) + lookahead_length;
  987. if(ferror(infile)) {
  988. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  989. return EncoderSession_finish_error(&encoder_session);
  990. }
  991. lookahead_length = 0;
  992. }
  993. else
  994. bytes_read = fread(ucbuffer_, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
  996. if(bytes_read == 0) {
  997. if(ferror(infile)) {
  998. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  999. return EncoderSession_finish_error(&encoder_session);
  1000. }
  1001. }
  1002. else if(bytes_read % bytes_per_wide_sample != 0) {
  1003. flac__utils_printf(stderr, 1, "%s: ERROR: got partial samplen", encoder_session.inbasefilename);
  1004. return EncoderSession_finish_error(&encoder_session);
  1005. }
  1006. else {
  1007. unsigned wide_samples = bytes_read / bytes_per_wide_sample;
  1008. format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
  1010. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
  1011. print_error_with_state(&encoder_session, "ERROR during encoding");
  1012. return EncoderSession_finish_error(&encoder_session);
  1013. }
  1014. }
  1015. }
  1016. }
  1017. else {
  1018. const FLAC__uint64 max_input_bytes = encoder_session.total_samples_to_encode * bytes_per_wide_sample;
  1019. FLAC__uint64 total_input_bytes_read = 0;
  1020. while(total_input_bytes_read < max_input_bytes) {
  1021. {
  1022. size_t wanted = (CHUNK_OF_SAMPLES * bytes_per_wide_sample);
  1023. wanted = min(wanted, (size_t)(max_input_bytes - total_input_bytes_read));
  1025. if(lookahead_length > 0) {
  1026. FLAC__ASSERT(lookahead_length <= wanted);
  1027. memcpy(ucbuffer_, lookahead, lookahead_length);
  1028. wanted -= lookahead_length;
  1029. bytes_read = lookahead_length;
  1030. if(wanted > 0) {
  1031. bytes_read += fread(ucbuffer_+lookahead_length, sizeof(unsigned char), wanted, infile);
  1032. if(ferror(infile)) {
  1033. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  1034. return EncoderSession_finish_error(&encoder_session);
  1035. }
  1036. }
  1037. lookahead_length = 0;
  1038. }
  1039. else
  1040. bytes_read = fread(ucbuffer_, sizeof(unsigned char), wanted, infile);
  1041. }
  1043. if(bytes_read == 0) {
  1044. if(ferror(infile)) {
  1045. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  1046. return EncoderSession_finish_error(&encoder_session);
  1047. }
  1048. else if(feof(infile)) {
  1049. flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; expected %u samples, got %u samplesn", encoder_session.inbasefilename, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
  1050. total_input_bytes_read = max_input_bytes;
  1051. }
  1052. }
  1053. else {
  1054. if(bytes_read % bytes_per_wide_sample != 0) {
  1055. flac__utils_printf(stderr, 1, "%s: ERROR: got partial samplen", encoder_session.inbasefilename);
  1056. return EncoderSession_finish_error(&encoder_session);
  1057. }
  1058. else {
  1059. unsigned wide_samples = bytes_read / bytes_per_wide_sample;
  1060. format_input(input_, wide_samples, options.is_big_endian, options.is_unsigned_samples, options.channels, options.bps);
  1062. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
  1063. print_error_with_state(&encoder_session, "ERROR during encoding");
  1064. return EncoderSession_finish_error(&encoder_session);
  1065. }
  1066. total_input_bytes_read += bytes_read;
  1067. }
  1068. }
  1069. }
  1070. }
  1072. /*
  1073.  * now read unaligned samples into reservoir or pad with zeroes if necessary
  1074.  */
  1075. if(options.common.sector_align) {
  1076. if(options.common.is_last_file) {
  1077. unsigned wide_samples = 588 - align_remainder;
  1078. if(wide_samples < 588) {
  1079. unsigned channel, data_bytes;
  1081. info_align_zero = wide_samples;
  1082. data_bytes = wide_samples * (options.bps >> 3);
  1083. for(channel = 0; channel < options.channels; channel++)
  1084. memset(input_[channel], 0, data_bytes);
  1086. if(!EncoderSession_process(&encoder_session, (const FLAC__int32 * const *)input_, wide_samples)) {
  1087. print_error_with_state(&encoder_session, "ERROR during encoding");
  1088. return EncoderSession_finish_error(&encoder_session);
  1089. }
  1090. }
  1091. }
  1092. else {
  1093. if(*options.common.align_reservoir_samples > 0) {
  1094. FLAC__ASSERT(CHUNK_OF_SAMPLES >= 588);
  1095. bytes_read = fread(ucbuffer_, sizeof(unsigned char), (*options.common.align_reservoir_samples) * bytes_per_wide_sample, infile);
  1096. if(bytes_read == 0 && ferror(infile)) {
  1097. flac__utils_printf(stderr, 1, "%s: ERROR during readn", encoder_session.inbasefilename);
  1098. return EncoderSession_finish_error(&encoder_session);
  1099. }
  1100. else if(bytes_read != (*options.common.align_reservoir_samples) * bytes_per_wide_sample) {
  1101. flac__utils_printf(stderr, 1, "%s: WARNING: unexpected EOF; read %u bytes; expected %u samples, got %u samplesn", encoder_session.inbasefilename, (unsigned)bytes_read, (unsigned)encoder_session.total_samples_to_encode, (unsigned)encoder_session.samples_written);
  1102. }
  1103. else {
  1104. info_align_carry = *options.common.align_reservoir_samples;
  1105. format_input(options.common.align_reservoir, *options.common.align_reservoir_samples, false, options.is_unsigned_samples, options.channels, options.bps);
  1106. }
  1107. }
  1108. }
  1109. }
  1111. return EncoderSession_finish_ok(&encoder_session, info_align_carry, info_align_zero);
  1112. }
  1114. FLAC__bool EncoderSession_construct(EncoderSession *e, FLAC__bool use_ogg, FLAC__bool verify, FILE *infile, const char *infilename, const char *outfilename)
  1115. {
  1116. unsigned i;
  1117. FLAC__uint32 test = 1;
  1119. /*
  1120.  * initialize globals
  1121.  */
  1123. is_big_endian_host_ = (*((FLAC__byte*)(&test)))? false : true;
  1125. for(i = 0; i < FLAC__MAX_CHANNELS; i++)
  1126. input_[i] = &(in_[i][0]);
  1129. /*
  1130.  * initialize instance
  1131.  */
  1133. #ifdef FLAC__HAS_OGG
  1134. e->use_ogg = use_ogg;
  1135. #else
  1136. (void)use_ogg;
  1137. #endif
  1138. e->verify = verify;
  1140. e->is_stdout = (0 == strcmp(outfilename, "-"));
  1142. e->inbasefilename = grabbag__file_get_basename(infilename);
  1143. e->outfilename = outfilename;
  1145. e->skip = 0; /* filled in later after the sample_rate is known */
  1146. e->unencoded_size = 0;
  1147. e->total_samples_to_encode = 0;
  1148. e->bytes_written = 0;
  1149. e->samples_written = 0;
  1150. e->blocksize = 0;
  1151. e->stats_mask = 0;
  1153. e->encoder.flac.stream = 0;
  1154. e->encoder.flac.file = 0;
  1155. #ifdef FLAC__HAS_OGG
  1156. e->encoder.ogg.stream = 0;
  1157. e->encoder.ogg.file = 0;
  1158. #endif
  1160. e->fin = infile;
  1161. e->fout = 0;
  1162. e->seek_table_template = 0;
  1164. if(e->is_stdout) {
  1165. e->fout = grabbag__file_get_binary_stdout();
  1166. }
  1168. if(0 == (e->seek_table_template = FLAC__metadata_object_new(FLAC__METADATA_TYPE_SEEKTABLE))) {
  1169. flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek tablen", e->inbasefilename);
  1170. return false;
  1171. }
  1173. #ifdef FLAC__HAS_OGG
  1174. if(e->use_ogg) {
  1175. if(e->is_stdout) {
  1176. e->encoder.ogg.stream = OggFLAC__stream_encoder_new();
  1177. if(0 == e->encoder.ogg.stream) {
  1178. flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instancen", e->inbasefilename);
  1179. EncoderSession_destroy(e);
  1180. return false;
  1181. }
  1182. }
  1183. else {
  1184. e->encoder.ogg.file = OggFLAC__file_encoder_new();
  1185. if(0 == e->encoder.ogg.file) {
  1186. flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instancen", e->inbasefilename);
  1187. EncoderSession_destroy(e);
  1188. return false;
  1189. }
  1190. }
  1191. }
  1192. else
  1193. #endif
  1194. if(e->is_stdout) {
  1195. e->encoder.flac.stream = FLAC__stream_encoder_new();
  1196. if(0 == e->encoder.flac.stream) {
  1197. flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instancen", e->inbasefilename);
  1198. EncoderSession_destroy(e);
  1199. return false;
  1200. }
  1201. }
  1202. else {
  1203. e->encoder.flac.file = FLAC__file_encoder_new();
  1204. if(0 == e->encoder.flac.file) {
  1205. flac__utils_printf(stderr, 1, "%s: ERROR creating the encoder instancen", e->inbasefilename);
  1206. EncoderSession_destroy(e);
  1207. return false;
  1208. }
  1209. }
  1211. return true;
  1212. }
  1214. void EncoderSession_destroy(EncoderSession *e)
  1215. {
  1216. if(e->fin != stdin)
  1217. fclose(e->fin);
  1218. if(0 != e->fout && e->fout != stdout)
  1219. fclose(e->fout);
  1221. #ifdef FLAC__HAS_OGG
  1222. if(e->use_ogg) {
  1223. if(e->is_stdout) {
  1224. if(0 != e->encoder.ogg.stream) {
  1225. OggFLAC__stream_encoder_delete(e->encoder.ogg.stream);
  1226. e->encoder.ogg.stream = 0;
  1227. }
  1228. }
  1229. else {
  1230. if(0 != e->encoder.ogg.file) {
  1231. OggFLAC__file_encoder_delete(e->encoder.ogg.file);
  1232. e->encoder.ogg.file = 0;
  1233. }
  1234. }
  1235. }
  1236. else
  1237. #endif
  1238. if(e->is_stdout) {
  1239. if(0 != e->encoder.flac.stream) {
  1240. FLAC__stream_encoder_delete(e->encoder.flac.stream);
  1241. e->encoder.flac.stream = 0;
  1242. }
  1243. }
  1244. else {
  1245. if(0 != e->encoder.flac.file) {
  1246. FLAC__file_encoder_delete(e->encoder.flac.file);
  1247. e->encoder.flac.file = 0;
  1248. }
  1249. }
  1251. if(0 != e->seek_table_template) {
  1252. FLAC__metadata_object_delete(e->seek_table_template);
  1253. e->seek_table_template = 0;
  1254. }
  1255. }
  1257. int EncoderSession_finish_ok(EncoderSession *e, int info_align_carry, int info_align_zero)
  1258. {
  1259. FLAC__StreamEncoderState fse_state = FLAC__STREAM_ENCODER_OK;
  1260. int ret = 0;
  1262. #ifdef FLAC__HAS_OGG
  1263. if(e->use_ogg) {
  1264. if(e->is_stdout) {
  1265. if(e->encoder.ogg.stream) {
  1266. fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
  1267. OggFLAC__stream_encoder_finish(e->encoder.ogg.stream);
  1268. }
  1269. }
  1270. else {
  1271. if(e->encoder.ogg.file) {
  1272. fse_state = OggFLAC__file_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.file);
  1273. OggFLAC__file_encoder_finish(e->encoder.ogg.file);
  1274. }
  1275. }
  1276. }
  1277. else
  1278. #endif
  1279. if(e->is_stdout) {
  1280. if(e->encoder.flac.stream) {
  1281. fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
  1282. FLAC__stream_encoder_finish(e->encoder.flac.stream);
  1283. }
  1284. }
  1285. else {
  1286. if(e->encoder.flac.file) {
  1287. fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
  1288. FLAC__file_encoder_finish(e->encoder.flac.file);
  1289. }
  1290. }
  1292. if(e->total_samples_to_encode > 0) {
  1293. print_stats(e);
  1294. flac__utils_printf(stderr, 2, "n");
  1295. }
  1297. if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA) {
  1298. print_verify_error(e);
  1299. ret = 1;
  1300. }
  1301. else {
  1302. if(info_align_carry >= 0) {
  1303. flac__utils_printf(stderr, 1, "%s: INFO: sector alignment causing %d samples to be carried overn", e->inbasefilename, info_align_carry);
  1304. }
  1305. if(info_align_zero >= 0) {
  1306. flac__utils_printf(stderr, 1, "%s: INFO: sector alignment causing %d zero samples to be appendedn", e->inbasefilename, info_align_zero);
  1307. }
  1308. }
  1310. EncoderSession_destroy(e);
  1312. return ret;
  1313. }
  1315. int EncoderSession_finish_error(EncoderSession *e)
  1316. {
  1317. FLAC__StreamEncoderState fse_state;
  1319. if(e->total_samples_to_encode > 0)
  1320. flac__utils_printf(stderr, 2, "n");
  1322. #ifdef FLAC__HAS_OGG
  1323. if(e->use_ogg) {
  1324. if(e->is_stdout) {
  1325. fse_state = OggFLAC__stream_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.stream);
  1326. }
  1327. else {
  1328. fse_state = OggFLAC__file_encoder_get_FLAC_stream_encoder_state(e->encoder.ogg.file);
  1329. }
  1330. }
  1331. else
  1332. #endif
  1333. if(e->is_stdout) {
  1334. fse_state = FLAC__stream_encoder_get_state(e->encoder.flac.stream);
  1335. }
  1336. else {
  1337. fse_state = FLAC__file_encoder_get_stream_encoder_state(e->encoder.flac.file);
  1338. }
  1340. if(fse_state == FLAC__STREAM_ENCODER_VERIFY_MISMATCH_IN_AUDIO_DATA)
  1341. print_verify_error(e);
  1342. else
  1343. unlink(e->outfilename);
  1345. EncoderSession_destroy(e);
  1347. return 1;
  1348. }
  1350. FLAC__bool EncoderSession_init_encoder(EncoderSession *e, encode_options_t options, unsigned channels, unsigned bps, unsigned sample_rate)
  1351. {
  1352. unsigned num_metadata;
  1353. FLAC__StreamMetadata padding, *cuesheet = 0;
  1354. FLAC__StreamMetadata *metadata[4];
  1355. const FLAC__bool is_cdda = (channels == 1 || channels == 2) && (bps == 16) && (sample_rate == 44100);
  1357. e->replay_gain = options.replay_gain;
  1358. e->channels = channels;
  1359. e->bits_per_sample = bps;
  1360. e->sample_rate = sample_rate;
  1362. if(e->replay_gain) {
  1363. if(channels != 1 && channels != 2) {
  1364. flac__utils_printf(stderr, 1, "%s: ERROR, number of channels (%u) must be 1 or 2 for --replay-gainn", e->inbasefilename, channels);
  1365. return false;
  1366. }
  1367. if(!grabbag__replaygain_is_valid_sample_frequency(sample_rate)) {
  1368. flac__utils_printf(stderr, 1, "%s: ERROR, invalid sample rate (%u) for --replay-gainn", e->inbasefilename, sample_rate);
  1369. return false;
  1370. }
  1371. if(options.is_first_file) {
  1372. if(!grabbag__replaygain_init(sample_rate)) {
  1373. flac__utils_printf(stderr, 1, "%s: ERROR initializing ReplayGain stagen", e->inbasefilename);
  1374. return false;
  1375. }
  1376. }
  1377. }
  1379. if(channels != 2)
  1380. options.do_mid_side = options.loose_mid_side = false;
  1382. if(!parse_cuesheet_(&cuesheet, options.cuesheet_filename, e->inbasefilename, is_cdda, e->total_samples_to_encode))
  1383. return false;
  1385. if(!convert_to_seek_table_template(options.requested_seek_points, options.num_requested_seek_points, options.cued_seekpoints? cuesheet : 0, e)) {
  1386. flac__utils_printf(stderr, 1, "%s: ERROR allocating memory for seek tablen", e->inbasefilename);
  1387. if(0 != cuesheet)
  1388. FLAC__metadata_object_delete(cuesheet);
  1389. return false;
  1390. }
  1392. num_metadata = 0;
  1393. if(e->seek_table_template->data.seek_table.num_points > 0) {
  1394. e->seek_table_template->is_last = false; /* the encoder will set this for us */
  1395. metadata[num_metadata++] = e->seek_table_template;
  1396. }
  1397. if(0 != cuesheet)
  1398. metadata[num_metadata++] = cuesheet;
  1399. metadata[num_metadata++] = options.vorbis_comment;
  1400. if(options.padding > 0) {
  1401. padding.is_last = false; /* the encoder will set this for us */
  1402. padding.type = FLAC__METADATA_TYPE_PADDING;
  1403. padding.length = (unsigned)options.padding;
  1404. metadata[num_metadata++] = &padding;
  1405. }
  1407. e->blocksize = options.blocksize;
  1408. e->stats_mask = (options.do_exhaustive_model_search || options.do_qlp_coeff_prec_search)? 0x0f : 0x3f;
  1410. #ifdef FLAC__HAS_OGG
  1411. if(e->use_ogg) {
  1412. if(e->is_stdout) {
  1413. OggFLAC__stream_encoder_set_serial_number(e->encoder.ogg.stream, options.serial_number);
  1414. OggFLAC__stream_encoder_set_verify(e->encoder.ogg.stream, options.verify);
  1415. OggFLAC__stream_encoder_set_streamable_subset(e->encoder.ogg.stream, !options.lax);
  1416. OggFLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.ogg.stream, options.do_mid_side);
  1417. OggFLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.ogg.stream, options.loose_mid_side);
  1418. OggFLAC__stream_encoder_set_channels(e->encoder.ogg.stream, channels);
  1419. OggFLAC__stream_encoder_set_bits_per_sample(e->encoder.ogg.stream, bps);
  1420. OggFLAC__stream_encoder_set_sample_rate(e->encoder.ogg.stream, sample_rate);
  1421. OggFLAC__stream_encoder_set_blocksize(e->encoder.ogg.stream, options.blocksize);
  1422. OggFLAC__stream_encoder_set_max_lpc_order(e->encoder.ogg.stream, options.max_lpc_order);
  1423. OggFLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.ogg.stream, options.qlp_coeff_precision);
  1424. OggFLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.stream, options.do_qlp_coeff_prec_search);
  1425. OggFLAC__stream_encoder_set_do_escape_coding(e->encoder.ogg.stream, options.do_escape_coding);
  1426. OggFLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.ogg.stream, options.do_exhaustive_model_search);
  1427. OggFLAC__stream_encoder_set_min_residual_partition_order(e->encoder.ogg.stream, options.min_residual_partition_order);
  1428. OggFLAC__stream_encoder_set_max_residual_partition_order(e->encoder.ogg.stream, options.max_residual_partition_order);
  1429. OggFLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.ogg.stream, options.rice_parameter_search_dist);
  1430. OggFLAC__stream_encoder_set_total_samples_estimate(e->encoder.ogg.stream, e->total_samples_to_encode);
  1431. OggFLAC__stream_encoder_set_metadata(e->encoder.ogg.stream, (num_metadata > 0)? metadata : 0, num_metadata);
  1432. OggFLAC__stream_encoder_set_write_callback(e->encoder.ogg.stream, ogg_stream_encoder_write_callback);
  1433. OggFLAC__stream_encoder_set_metadata_callback(e->encoder.ogg.stream, ogg_stream_encoder_metadata_callback);
  1434. OggFLAC__stream_encoder_set_client_data(e->encoder.ogg.stream, e);
  1436. OggFLAC__stream_encoder_disable_constant_subframes(e->encoder.ogg.stream, options.debug.disable_constant_subframes);
  1437. OggFLAC__stream_encoder_disable_fixed_subframes(e->encoder.ogg.stream, options.debug.disable_fixed_subframes);
  1438. OggFLAC__stream_encoder_disable_verbatim_subframes(e->encoder.ogg.stream, options.debug.disable_verbatim_subframes);
  1440. if(OggFLAC__stream_encoder_init(e->encoder.ogg.stream) != FLAC__STREAM_ENCODER_OK) {
  1441. print_error_with_state(e, "ERROR initializing encoder");
  1442. if(0 != cuesheet)
  1443. FLAC__metadata_object_delete(cuesheet);
  1444. return false;
  1445. }
  1446. }
  1447. else {
  1448. OggFLAC__file_encoder_set_serial_number(e->encoder.ogg.file, options.serial_number);
  1449. OggFLAC__file_encoder_set_filename(e->encoder.ogg.file, e->outfilename);
  1450. OggFLAC__file_encoder_set_verify(e->encoder.ogg.file, options.verify);
  1451. OggFLAC__file_encoder_set_streamable_subset(e->encoder.ogg.file, !options.lax);
  1452. OggFLAC__file_encoder_set_do_mid_side_stereo(e->encoder.ogg.file, options.do_mid_side);
  1453. OggFLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.ogg.file, options.loose_mid_side);
  1454. OggFLAC__file_encoder_set_channels(e->encoder.ogg.file, channels);
  1455. OggFLAC__file_encoder_set_bits_per_sample(e->encoder.ogg.file, bps);
  1456. OggFLAC__file_encoder_set_sample_rate(e->encoder.ogg.file, sample_rate);
  1457. OggFLAC__file_encoder_set_blocksize(e->encoder.ogg.file, options.blocksize);
  1458. OggFLAC__file_encoder_set_max_lpc_order(e->encoder.ogg.file, options.max_lpc_order);
  1459. OggFLAC__file_encoder_set_qlp_coeff_precision(e->encoder.ogg.file, options.qlp_coeff_precision);
  1460. OggFLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.ogg.file, options.do_qlp_coeff_prec_search);
  1461. OggFLAC__file_encoder_set_do_escape_coding(e->encoder.ogg.file, options.do_escape_coding);
  1462. OggFLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.ogg.file, options.do_exhaustive_model_search);
  1463. OggFLAC__file_encoder_set_min_residual_partition_order(e->encoder.ogg.file, options.min_residual_partition_order);
  1464. OggFLAC__file_encoder_set_max_residual_partition_order(e->encoder.ogg.file, options.max_residual_partition_order);
  1465. OggFLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.ogg.file, options.rice_parameter_search_dist);
  1466. OggFLAC__file_encoder_set_total_samples_estimate(e->encoder.ogg.file, e->total_samples_to_encode);
  1467. OggFLAC__file_encoder_set_metadata(e->encoder.ogg.file, (num_metadata > 0)? metadata : 0, num_metadata);
  1468. OggFLAC__file_encoder_set_progress_callback(e->encoder.ogg.file, ogg_file_encoder_progress_callback);
  1469. OggFLAC__file_encoder_set_client_data(e->encoder.ogg.file, e);
  1471. OggFLAC__file_encoder_disable_constant_subframes(e->encoder.ogg.file, options.debug.disable_constant_subframes);
  1472. OggFLAC__file_encoder_disable_fixed_subframes(e->encoder.ogg.file, options.debug.disable_fixed_subframes);
  1473. OggFLAC__file_encoder_disable_verbatim_subframes(e->encoder.ogg.file, options.debug.disable_verbatim_subframes);
  1475. if(OggFLAC__file_encoder_init(e->encoder.ogg.file) != OggFLAC__FILE_ENCODER_OK) {
  1476. print_error_with_state(e, "ERROR initializing encoder");
  1477. if(0 != cuesheet)
  1478. FLAC__metadata_object_delete(cuesheet);
  1479. return false;
  1480. }
  1481. }
  1482. }
  1483. else
  1484. #endif
  1485. if(e->is_stdout) {
  1486. FLAC__stream_encoder_set_verify(e->encoder.flac.stream, options.verify);
  1487. FLAC__stream_encoder_set_streamable_subset(e->encoder.flac.stream, !options.lax);
  1488. FLAC__stream_encoder_set_do_mid_side_stereo(e->encoder.flac.stream, options.do_mid_side);
  1489. FLAC__stream_encoder_set_loose_mid_side_stereo(e->encoder.flac.stream, options.loose_mid_side);
  1490. FLAC__stream_encoder_set_channels(e->encoder.flac.stream, channels);
  1491. FLAC__stream_encoder_set_bits_per_sample(e->encoder.flac.stream, bps);
  1492. FLAC__stream_encoder_set_sample_rate(e->encoder.flac.stream, sample_rate);
  1493. FLAC__stream_encoder_set_blocksize(e->encoder.flac.stream, options.blocksize);
  1494. FLAC__stream_encoder_set_max_lpc_order(e->encoder.flac.stream, options.max_lpc_order);
  1495. FLAC__stream_encoder_set_qlp_coeff_precision(e->encoder.flac.stream, options.qlp_coeff_precision);
  1496. FLAC__stream_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.stream, options.do_qlp_coeff_prec_search);
  1497. FLAC__stream_encoder_set_do_escape_coding(e->encoder.flac.stream, options.do_escape_coding);
  1498. FLAC__stream_encoder_set_do_exhaustive_model_search(e->encoder.flac.stream, options.do_exhaustive_model_search);
  1499. FLAC__stream_encoder_set_min_residual_partition_order(e->encoder.flac.stream, options.min_residual_partition_order);
  1500. FLAC__stream_encoder_set_max_residual_partition_order(e->encoder.flac.stream, options.max_residual_partition_order);
  1501. FLAC__stream_encoder_set_rice_parameter_search_dist(e->encoder.flac.stream, options.rice_parameter_search_dist);
  1502. FLAC__stream_encoder_set_total_samples_estimate(e->encoder.flac.stream, e->total_samples_to_encode);
  1503. FLAC__stream_encoder_set_metadata(e->encoder.flac.stream, (num_metadata > 0)? metadata : 0, num_metadata);
  1504. FLAC__stream_encoder_set_write_callback(e->encoder.flac.stream, flac_stream_encoder_write_callback);
  1505. FLAC__stream_encoder_set_metadata_callback(e->encoder.flac.stream, flac_stream_encoder_metadata_callback);
  1506. FLAC__stream_encoder_set_client_data(e->encoder.flac.stream, e);
  1508. FLAC__stream_encoder_disable_constant_subframes(e->encoder.flac.stream, options.debug.disable_constant_subframes);
  1509. FLAC__stream_encoder_disable_fixed_subframes(e->encoder.flac.stream, options.debug.disable_fixed_subframes);
  1510. FLAC__stream_encoder_disable_verbatim_subframes(e->encoder.flac.stream, options.debug.disable_verbatim_subframes);
  1512. if(FLAC__stream_encoder_init(e->encoder.flac.stream) != FLAC__STREAM_ENCODER_OK) {
  1513. print_error_with_state(e, "ERROR initializing encoder");
  1514. if(0 != cuesheet)
  1515. FLAC__metadata_object_delete(cuesheet);
  1516. return false;
  1517. }
  1518. }
  1519. else {
  1520. FLAC__file_encoder_set_filename(e->encoder.flac.file, e->outfilename);
  1521. FLAC__file_encoder_set_verify(e->encoder.flac.file, options.verify);
  1522. FLAC__file_encoder_set_streamable_subset(e->encoder.flac.file, !options.lax);
  1523. FLAC__file_encoder_set_do_mid_side_stereo(e->encoder.flac.file, options.do_mid_side);
  1524. FLAC__file_encoder_set_loose_mid_side_stereo(e->encoder.flac.file, options.loose_mid_side);
  1525. FLAC__file_encoder_set_channels(e->encoder.flac.file, channels);
  1526. FLAC__file_encoder_set_bits_per_sample(e->encoder.flac.file, bps);
  1527. FLAC__file_encoder_set_sample_rate(e->encoder.flac.file, sample_rate);
  1528. FLAC__file_encoder_set_blocksize(e->encoder.flac.file, options.blocksize);
  1529. FLAC__file_encoder_set_max_lpc_order(e->encoder.flac.file, options.max_lpc_order);
  1530. FLAC__file_encoder_set_qlp_coeff_precision(e->encoder.flac.file, options.qlp_coeff_precision);
  1531. FLAC__file_encoder_set_do_qlp_coeff_prec_search(e->encoder.flac.file, options.do_qlp_coeff_prec_search);
  1532. FLAC__file_encoder_set_do_escape_coding(e->encoder.flac.file, options.do_escape_coding);
  1533. FLAC__file_encoder_set_do_exhaustive_model_search(e->encoder.flac.file, options.do_exhaustive_model_search);
  1534. FLAC__file_encoder_set_min_residual_partition_order(e->encoder.flac.file, options.min_residual_partition_order);
  1535. FLAC__file_encoder_set_max_residual_partition_order(e->encoder.flac.file, options.max_residual_partition_order);
  1536. FLAC__file_encoder_set_rice_parameter_search_dist(e->encoder.flac.file, options.rice_parameter_search_dist);
  1537. FLAC__file_encoder_set_total_samples_estimate(e->encoder.flac.file, e->total_samples_to_encode);
  1538. FLAC__file_encoder_set_metadata(e->encoder.flac.file, (num_metadata > 0)? metadata : 0, num_metadata);
  1539. FLAC__file_encoder_set_progress_callback(e->encoder.flac.file, flac_file_encoder_progress_callback);
  1540. FLAC__file_encoder_set_client_data(e->encoder.flac.file, e);
  1542. FLAC__file_encoder_disable_constant_subframes(e->encoder.flac.file, options.debug.disable_constant_subframes);
  1543. FLAC__file_encoder_disable_fixed_subframes(e->encoder.flac.file, options.debug.disable_fixed_subframes);
  1544. FLAC__file_encoder_disable_verbatim_subframes(e->encoder.flac.file, options.debug.disable_verbatim_subframes);
  1546. if(FLAC__file_encoder_init(e->encoder.flac.file) != FLAC__FILE_ENCODER_OK) {
  1547. print_error_with_state(e, "ERROR initializing encoder");
  1548. if(0 != cuesheet)
  1549. FLAC__metadata_object_delete(cuesheet);
  1550. return false;
  1551. }
  1552. }
  1554. if(0 != cuesheet)
  1555. FLAC__metadata_object_delete(cuesheet);
  1557. return true;
  1558. }
  1560. FLAC__bool EncoderSession_process(EncoderSession *e, const FLAC__int32 * const buffer[], unsigned samples)
  1561. {
  1562. if(e->replay_gain) {
  1563. if(!grabbag__replaygain_analyze(buffer, e->channels==2, e->bits_per_sample, samples)) {
  1564. flac__utils_printf(stderr, 1, "%s: WARNING, error while calculating ReplayGainn", e->inbasefilename);
  1565. }
  1566. }
  1568. #ifdef FLAC__HAS_OGG
  1569. if(e->use_ogg) {
  1570. if(e->is_stdout) {
  1571. return OggFLAC__stream_encoder_process(e->encoder.ogg.stream, buffer, samples);
  1572. }
  1573. else {
  1574. return OggFLAC__file_encoder_process(e->encoder.ogg.file, buffer, samples);
  1575. }
  1576. }
  1577. else
  1578. #endif
  1579. if(e->is_stdout) {
  1580. return FLAC__stream_encoder_process(e->encoder.flac.stream, buffer, samples);
  1581. }
  1582. else {
  1583. return FLAC__file_encoder_process(e->encoder.flac.file, buffer, samples);
  1584. }
  1585. }
  1587. FLAC__bool convert_to_seek_table_template(const char *requested_seek_points, int num_requested_seek_points, FLAC__StreamMetadata *cuesheet, EncoderSession *e)
  1588. {
  1589. const FLAC__bool only_placeholders = e->is_stdout;
  1590. FLAC__bool has_real_points;
  1592. if(num_requested_seek_points == 0 && 0 == cuesheet)
  1593. return true;
  1595. if(num_requested_seek_points < 0) {
  1596. requested_seek_points = "10s;";
  1597. num_requested_seek_points = 1;
  1598. }
  1600. if(num_requested_seek_points > 0) {
  1601. if(!grabbag__seektable_convert_specification_to_template(requested_seek_points, only_placeholders, e->total_samples_to_encode, e->sample_rate, e->seek_table_template, &has_real_points))
  1602. return false;
  1603. }
  1605. if(0 != cuesheet) {
  1606. unsigned i, j;
  1607. const FLAC__StreamMetadata_CueSheet *cs = &cuesheet->data.cue_sheet;
  1608. for(i = 0; i < cs->num_tracks; i++) {
  1609. const FLAC__StreamMetadata_CueSheet_Track *tr = cs->tracks+i;
  1610. for(j = 0; j < tr->num_indices; j++) {
  1611. if(!FLAC__metadata_object_seektable_template_append_point(e->seek_table_template, tr->offset + tr->indices[j].offset))
  1612. return false;
  1613. has_real_points = true;
  1614. }
  1615. }
  1616. if(has_real_points)
  1617. if(!FLAC__metadata_object_seektable_template_sort(e->seek_table_template, /*compact=*/true))
  1618. return false;
  1619. }
  1621. if(has_real_points) {
  1622. if(e->is_stdout) {
  1623. flac__utils_printf(stderr, 1, "%s: WARNING, cannot write back seekpoints when encoding to stdoutn", e->inbasefilename);
  1624. }
  1625. }
  1627. return true;
  1628. }
  1630. FLAC__bool canonicalize_until_specification(utils__SkipUntilSpecification *spec, const char *inbasefilename, unsigned sample_rate, FLAC__uint64 skip, FLAC__uint64 total_samples_in_input)
  1631. {
  1632. /* convert from mm:ss.sss to sample number if necessary */
  1633. flac__utils_canonicalize_skip_until_specification(spec, sample_rate);
  1635. /* special case: if "--until=-0", use the special value '0' to mean "end-of-stream" */
  1636. if(spec->is_relative && spec->value.samples == 0) {
  1637. spec->is_relative = false;
  1638. return true;
  1639. }
  1641. /* in any other case the total samples in the input must be known */
  1642. if(total_samples_in_input == 0) {
  1643. flac__utils_printf(stderr, 1, "%s: ERROR, cannot use --until when input length is unknownn", inbasefilename);
  1644. return false;
  1645. }
  1647. FLAC__ASSERT(spec->value_is_samples);
  1649. /* convert relative specifications to absolute */
  1650. if(spec->is_relative) {
  1651. if(spec->value.samples <= 0)
  1652. spec->value.samples += (FLAC__int64)total_samples_in_input;
  1653. else
  1654. spec->value.samples += skip;
  1655. spec->is_relative = false;
  1656. }
  1658. /* error check */
  1659. if(spec->value.samples < 0) {
  1660. flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before beginning of inputn", inbasefilename);
  1661. return false;
  1662. }
  1663. if((FLAC__uint64)spec->value.samples <= skip) {
  1664. flac__utils_printf(stderr, 1, "%s: ERROR, --until value is before --skip pointn", inbasefilename);
  1665. return false;
  1666. }
  1667. if((FLAC__uint64)spec->value.samples > total_samples_in_input) {
  1668. flac__utils_printf(stderr, 1, "%s: ERROR, --until value is after end of inputn", inbasefilename);
  1669. return false;
  1670. }
  1672. return true;
  1673. }
  1675. void format_input(FLAC__int32 *dest[], unsigned wide_samples, FLAC__bool is_big_endian, FLAC__bool is_unsigned_samples, unsigned channels, unsigned bps)
  1676. {
  1677. unsigned wide_sample, sample, channel, byte;
  1679. if(bps == 8) {
  1680. if(is_unsigned_samples) {
  1681. for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
  1682. for(channel = 0; channel < channels; channel++, sample++)
  1683. dest[channel][wide_sample] = (FLAC__int32)ucbuffer_[sample] - 0x80;
  1684. }
  1685. else {
  1686. for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
  1687. for(channel = 0; channel < channels; channel++, sample++)
  1688. dest[channel][wide_sample] = (FLAC__int32)scbuffer_[sample];
  1689. }
  1690. }
  1691. else if(bps == 16) {
  1692. if(is_big_endian != is_big_endian_host_) {
  1693. unsigned char tmp;
  1694. const unsigned bytes = wide_samples * channels * (bps >> 3);
  1695. for(byte = 0; byte < bytes; byte += 2) {
  1696. tmp = ucbuffer_[byte];
  1697. ucbuffer_[byte] = ucbuffer_[byte+1];
  1698. ucbuffer_[byte+1] = tmp;
  1699. }
  1700. }
  1701. if(is_unsigned_samples) {
  1702. for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
  1703. for(channel = 0; channel < channels; channel++, sample++)
  1704. dest[channel][wide_sample] = (FLAC__int32)usbuffer_[sample] - 0x8000;
  1705. }
  1706. else {
  1707. for(sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
  1708. for(channel = 0; channel < channels; channel++, sample++)
  1709. dest[channel][wide_sample] = (FLAC__int32)ssbuffer_[sample];
  1710. }
  1711. }
  1712. else if(bps == 24) {
  1713. if(!is_big_endian) {
  1714. unsigned char tmp;
  1715. const unsigned bytes = wide_samples * channels * (bps >> 3);
  1716. for(byte = 0; byte < bytes; byte += 3) {
  1717. tmp = ucbuffer_[byte];
  1718. ucbuffer_[byte] = ucbuffer_[byte+2];
  1719. ucbuffer_[byte+2] = tmp;
  1720. }
  1721. }
  1722. if(is_unsigned_samples) {
  1723. for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
  1724. for(channel = 0; channel < channels; channel++, sample++) {
  1725. dest[channel][wide_sample]  = ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
  1726. dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
  1727. dest[channel][wide_sample] |= ucbuffer_[byte++];
  1728. dest[channel][wide_sample] -= 0x800000;
  1729. }
  1730. }
  1731. else {
  1732. for(byte = sample = wide_sample = 0; wide_sample < wide_samples; wide_sample++)
  1733. for(channel = 0; channel < channels; channel++, sample++) {
  1734. dest[channel][wide_sample]  = scbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
  1735. dest[channel][wide_sample] |= ucbuffer_[byte++]; dest[channel][wide_sample] <<= 8;
  1736. dest[channel][wide_sample] |= ucbuffer_[byte++];
  1737. }
  1738. }
  1739. }
  1740. else {
  1741. FLAC__ASSERT(0);
  1742. }
  1743. }
  1745. #ifdef FLAC__HAS_OGG
  1746. FLAC__StreamEncoderWriteStatus ogg_stream_encoder_write_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
  1747. {
  1748. EncoderSession *encoder_session = (EncoderSession*)client_data;
  1750. (void)encoder;
  1752. encoder_session->bytes_written += bytes;
  1753. /*
  1754.  * With Ogg FLAC we don't get one write callback per frame and
  1755.  * we don't have a good number for 'samples', so we estimate based
  1756.  * on the frame number and the knowledge that all blocks (except
  1757.  * the last) are the same size.
  1758.  */
  1759. (void)samples;
  1760. encoder_session->samples_written = (current_frame+1) * encoder_session->blocksize;
  1762. if(encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
  1763. print_stats(encoder_session);
  1765. if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
  1766. return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
  1767. else
  1768. return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
  1769. }
  1771. void ogg_stream_encoder_metadata_callback(const OggFLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
  1772. {
  1773. // do nothing, for compatibilty.  soon we will be using the ogg file encoder anyway.
  1774. (void)encoder, (void)metadata, (void)client_data;
  1775. }
  1777. void ogg_file_encoder_progress_callback(const OggFLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
  1778. {
  1779. EncoderSession *encoder_session = (EncoderSession*)client_data;
  1781. (void)encoder;
  1783. /*
  1784.  * With Ogg FLAC we don't get a value for 'samples_written', so we
  1785.  * estimate based on the frames written and the knowledge that all
  1786.  * blocks (except the last) are the same size.
  1787.  */
  1788. samples_written = frames_written * encoder_session->blocksize;
  1789. flac_file_encoder_progress_callback(0, bytes_written, samples_written, frames_written, total_frames_estimate, client_data);
  1790. }
  1792. #endif
  1794. FLAC__StreamEncoderWriteStatus flac_stream_encoder_write_callback(const FLAC__StreamEncoder *encoder, const FLAC__byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
  1795. {
  1796. EncoderSession *encoder_session = (EncoderSession*)client_data;
  1798. (void)encoder;
  1800. encoder_session->bytes_written += bytes;
  1801. encoder_session->samples_written += samples;
  1803. if(samples && encoder_session->total_samples_to_encode > 0 && !(current_frame & encoder_session->stats_mask))
  1804. print_stats(encoder_session);
  1806. if(flac__utils_fwrite(buffer, sizeof(FLAC__byte), bytes, encoder_session->fout) == bytes)
  1807. return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
  1808. else
  1809. return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
  1810. }
  1812. void flac_stream_encoder_metadata_callback(const FLAC__StreamEncoder *encoder, const FLAC__StreamMetadata *metadata, void *client_data)
  1813. {
  1814. /*
  1815.  * Nothing to do; if we get here, we're decoding to stdout, in
  1816.  * which case we can't seek backwards to write new metadata.
  1817.  */
  1818. (void)encoder, (void)metadata, (void)client_data;
  1819. }
  1821. void flac_file_encoder_progress_callback(const FLAC__FileEncoder *encoder, FLAC__uint64 bytes_written, FLAC__uint64 samples_written, unsigned frames_written, unsigned total_frames_estimate, void *client_data)
  1822. {
  1823. EncoderSession *encoder_session = (EncoderSession*)client_data;
  1825. (void)encoder, (void)total_frames_estimate;
  1827. encoder_session->bytes_written = bytes_written;
  1828. encoder_session->samples_written = samples_written;
  1830. if(encoder_session->total_samples_to_encode > 0 && !((frames_written-1) & encoder_session->stats_mask))
  1831. print_stats(encoder_session);
  1832. }
  1834. FLAC__bool parse_cuesheet_(FLAC__StreamMetadata **cuesheet, const char *cuesheet_filename, const char *inbasefilename, FLAC__bool is_cdda, FLAC__uint64 lead_out_offset)
  1835. {
  1836. FILE *f;
  1837. unsigned last_line_read;
  1838. const char *error_message;
  1840. if(0 == cuesheet_filename)
  1841. return true;
  1843. if(lead_out_offset == 0) {
  1844. flac__utils_printf(stderr, 1, "%s: ERROR cannot import cuesheet when the number of input samples to encode is unknownn", inbasefilename);
  1845. return false;
  1846. }
  1848. if(0 == (f = fopen(cuesheet_filename, "r"))) {
  1849. flac__utils_printf(stderr, 1, "%s: ERROR opening cuesheet "%s" for readingn", inbasefilename, cuesheet_filename);
  1850. return false;
  1851. }
  1853. *cuesheet = grabbag__cuesheet_parse(f, &error_message, &last_line_read, is_cdda, lead_out_offset);
  1855. fclose(f);
  1857. if(0 == *cuesheet) {
  1858. flac__utils_printf(stderr, 1, "%s: ERROR parsing cuesheet "%s" on line %u: %sn", inbasefilename, cuesheet_filename, last_line_read, error_message);
  1859. return false;
  1860. }
  1862. return true;
  1863. }
  1865. void print_stats(const EncoderSession *encoder_session)
  1866. {
  1867. const FLAC__uint64 samples_written = min(encoder_session->total_samples_to_encode, encoder_session->samples_written);
  1868. #if defined _MSC_VER || defined __MINGW32__
  1869. /* with MSVC you have to spoon feed it the casting */
  1870. const double progress = (double)(FLAC__int64)samples_written / (double)(FLAC__int64)encoder_session->total_samples_to_encode;
  1871. const double ratio = (double)(FLAC__int64)encoder_session->bytes_written / ((double)(FLAC__int64)encoder_session->unencoded_size * min(1.0, progress));
  1872. #else
  1873. const double progress = (double)samples_written / (double)encoder_session->total_samples_to_encode;
  1874. const double ratio = (double)encoder_session->bytes_written / ((double)encoder_session->unencoded_size * min(1.0, progress));
  1875. #endif
  1878. if(samples_written == encoder_session->total_samples_to_encode) {
  1879. flac__utils_printf(stderr, 2, "r%s:%s wrote %u bytes, ratio=%0.3f",
  1880. encoder_session->inbasefilename,
  1881. encoder_session->verify? " Verify OK," : "",
  1882. (unsigned)encoder_session->bytes_written,
  1883. ratio
  1884. );
  1885. }
  1886. else {
  1887. flac__utils_printf(stderr, 2, "r%s: %u%% complete, ratio=%0.3f", encoder_session->inbasefilename, (unsigned)floor(progress * 100.0 + 0.5), ratio);
  1888. }
  1889. }
  1891. void print_error_with_state(const EncoderSession *e, const char *message)
  1892. {
  1893. const int ilen = strlen(e->inbasefilename) + 1;
  1894. const char *state_string;
  1896. flac__utils_printf(stderr, 1, "n%s: %sn", e->inbasefilename, message);
  1898. #ifdef FLAC__HAS_OGG
  1899. if(e->use_ogg) {
  1900. if(e->is_stdout) {
  1901. state_string = OggFLAC__stream_encoder_get_resolved_state_string(e->encoder.ogg.stream);
  1902. }
  1903. else {
  1904. state_string = OggFLAC__file_encoder_get_resolved_state_string(e->encoder.ogg.file);
  1905. }
  1906. }
  1907. else
  1908. #endif
  1909. if(e->is_stdout) {
  1910. state_string = FLAC__stream_encoder_get_resolved_state_string(e->encoder.flac.stream);
  1911. }
  1912. else {
  1913. state_string = FLAC__file_encoder_get_resolved_state_string(e->encoder.flac.file);
  1914. }
  1916. flac__utils_printf(stderr, 1, "%*s state = %sn", ilen, "", state_string);
  1918. /* print out some more info for some errors: */
  1919. if(0 == strcmp(state_string, FLAC__StreamEncoderStateString[FLAC__STREAM_ENCODER_NOT_STREAMABLE])) {
  1920. flac__utils_printf(stderr, 1,
  1921. "n"
  1922. "The encoding parameters specified do not conform to the FLAC Subset and may notn"
  1923. "be streamable or playable in hardware devices.  Add --lax to the command-linen"
  1924. "options to encode with these parameters.n"
  1925. );
  1926. }
  1927. else if(
  1928. 0 == strcmp(state_string, FLAC__FileEncoderStateString[FLAC__FILE_ENCODER_FATAL_ERROR_WHILE_WRITING])
  1929. #ifdef FLAC__HAS_OGG
  1930. || 0 == strcmp(state_string, OggFLAC__FileEncoderStateString[OggFLAC__FILE_ENCODER_FATAL_ERROR_WHILE_WRITING])
  1931. #endif
  1932. ) {
  1933. flac__utils_printf(stderr, 1,
  1934. "n"
  1935. "An error occurred while writing; the most common cause is that the disk is full.n"
  1936. );
  1937. }
  1938. else if(
  1939. 0 == strcmp(state_string, FLAC__FileEncoderStateString[FLAC__FILE_ENCODER_ERROR_OPENING_FILE])
  1940. #ifdef FLAC__HAS_OGG
  1941. || 0 == strcmp(state_string, OggFLAC__FileEncoderStateString[OggFLAC__FILE_ENCODER_ERROR_OPENING_FILE])
  1942. #endif
  1943. ) {
  1944. flac__utils_printf(stderr, 1,
  1945. "n"
  1946. "An error occurred opening the output file; it is likely that the outputn"
  1947. "directory does not exist or is not writable, the output file already exists andn"
  1948. "is not writable, or the disk is full.n"
  1949. );
  1950. }
  1951. }
  1953. void print_verify_error(EncoderSession *e)
  1954. {
  1955. FLAC__uint64 absolute_sample;
  1956. unsigned frame_number;
  1957. unsigned channel;
  1958. unsigned sample;
  1959. FLAC__int32 expected;
  1960. FLAC__int32 got;
  1962. #ifdef FLAC__HAS_OGG
  1963. if(e->use_ogg) {
  1964. if(e->is_stdout) {
  1965. OggFLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.ogg.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
  1966. }
  1967. else {
  1968. OggFLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.ogg.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
  1969. }
  1970. }
  1971. else
  1972. #endif
  1973. if(e->is_stdout) {
  1974. FLAC__stream_encoder_get_verify_decoder_error_stats(e->encoder.flac.stream, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
  1975. }
  1976. else {
  1977. FLAC__file_encoder_get_verify_decoder_error_stats(e->encoder.flac.file, &absolute_sample, &frame_number, &channel, &sample, &expected, &got);
  1978. }
  1980. flac__utils_printf(stderr, 1, "%s: ERROR: mismatch in decoded data, verify FAILED!n", e->inbasefilename);
  1981. flac__utils_printf(stderr, 1, "       Absolute sample=%u, frame=%u, channel=%u, sample=%u, expected %d, got %dn", (unsigned)absolute_sample, frame_number, channel, sample, expected, got);
  1982. flac__utils_printf(stderr, 1, "       In all known cases, verify errors are caused by hardware problems,n");
  1983. flac__utils_printf(stderr, 1, "       usually overclocking or bad RAM.  Delete %sn", e->inbasefilename);
  1984. flac__utils_printf(stderr, 1, "       and repeat the flac command exactly as before.  If it does not give an");
  1985. flac__utils_printf(stderr, 1, "       verify error in the exact same place each time you try it, then there isn");
  1986. flac__utils_printf(stderr, 1, "       a problem with your hardware.  If it does, keep the bad FLAC file andn");
  1987. flac__utils_printf(stderr, 1, "       submit a bug report to:n");
  1988. flac__utils_printf(stderr, 1, "           http://sourceforge.net/bugs/?func=addbug&group_id=13478n");
  1989. flac__utils_printf(stderr, 1, "       Make sure to include an email contact in the comment and/or use then");
  1990. flac__utils_printf(stderr, 1, "       "Monitor" feature to monitor the bug status.n");
  1991. flac__utils_printf(stderr, 1, "Verify FAILED!  Do not trust %sn", e->outfilename);
  1992. }
  1994. FLAC__bool read_little_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
  1995. {
  1996. size_t bytes_read = fread(val, 1, 2, f);
  1998. if(bytes_read == 0) {
  1999. if(!eof_ok) {
  2000. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2001. return false;
  2002. }
  2003. else
  2004. return true;
  2005. }
  2006. else if(bytes_read < 2) {
  2007. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2008. return false;
  2009. }
  2010. else {
  2011. if(is_big_endian_host_) {
  2012. FLAC__byte tmp, *b = (FLAC__byte*)val;
  2013. tmp = b[1]; b[1] = b[0]; b[0] = tmp;
  2014. }
  2015. return true;
  2016. }
  2017. }
  2019. FLAC__bool read_little_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
  2020. {
  2021. size_t bytes_read = fread(val, 1, 4, f);
  2023. if(bytes_read == 0) {
  2024. if(!eof_ok) {
  2025. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2026. return false;
  2027. }
  2028. else
  2029. return true;
  2030. }
  2031. else if(bytes_read < 4) {
  2032. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2033. return false;
  2034. }
  2035. else {
  2036. if(is_big_endian_host_) {
  2037. FLAC__byte tmp, *b = (FLAC__byte*)val;
  2038. tmp = b[3]; b[3] = b[0]; b[0] = tmp;
  2039. tmp = b[2]; b[2] = b[1]; b[1] = tmp;
  2040. }
  2041. return true;
  2042. }
  2043. }
  2045. FLAC__bool read_big_endian_uint16(FILE *f, FLAC__uint16 *val, FLAC__bool eof_ok, const char *fn)
  2046. {
  2047. unsigned char buf[4];
  2048. size_t bytes_read= fread(buf, 1, 2, f);
  2050. if(bytes_read==0U && eof_ok)
  2051. return true;
  2052. else if(bytes_read<2U) {
  2053. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2054. return false;
  2055. }
  2057. /* this is independent of host endianness */
  2058. *val= (FLAC__uint16)(buf[0])<<8 | buf[1];
  2060. return true;
  2061. }
  2063. FLAC__bool read_big_endian_uint32(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
  2064. {
  2065. unsigned char buf[4];
  2066. size_t bytes_read= fread(buf, 1, 4, f);
  2068. if(bytes_read==0U && eof_ok)
  2069. return true;
  2070. else if(bytes_read<4U) {
  2071. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2072. return false;
  2073. }
  2075. /* this is independent of host endianness */
  2076. *val= (FLAC__uint32)(buf[0])<<24 | (FLAC__uint32)(buf[1])<<16 |
  2077. (FLAC__uint32)(buf[2])<<8 | buf[3];
  2079. return true;
  2080. }
  2082. FLAC__bool read_sane_extended(FILE *f, FLAC__uint32 *val, FLAC__bool eof_ok, const char *fn)
  2083. /* Read an IEEE 754 80-bit (aka SANE) extended floating point value from 'f',
  2084.  * convert it into an integral value and store in 'val'.  Return false if only
  2085.  * between 1 and 9 bytes remain in 'f', if 0 bytes remain in 'f' and 'eof_ok' is
  2086.  * false, or if the value is negative, between zero and one, or too large to be
  2087.  * represented by 'val'; return true otherwise.
  2088.  */
  2089. {
  2090. unsigned int i;
  2091. unsigned char buf[10];
  2092. size_t bytes_read= fread(buf, 1U, 10U, f);
  2093. FLAC__int16 e= ((FLAC__uint16)(buf[0])<<8 | (FLAC__uint16)(buf[1]))-0x3FFF;
  2094. FLAC__int16 shift= 63-e;
  2095. FLAC__uint64 p= 0U;
  2097. if(bytes_read==0U && eof_ok)
  2098. return true;
  2099. else if(bytes_read<10U) {
  2100. flac__utils_printf(stderr, 1, "%s: ERROR: unexpected EOFn", fn);
  2101. return false;
  2102. }
  2103. else if((buf[0]>>7)==1U || e<0 || e>63) {
  2104. flac__utils_printf(stderr, 1, "%s: ERROR: invalid floating-point valuen", fn);
  2105. return false;
  2106. }
  2108. for(i= 0U; i<8U; ++i)
  2109. p|= (FLAC__uint64)(buf[i+2])<<(56U-i*8);
  2110. *val= (FLAC__uint32)((p>>shift)+(p>>(shift-1) & 0x1));
  2112. return true;
  2113. }
  2115. FLAC__bool fskip_ahead(FILE *f, FLAC__uint64 offset)
  2116. {
  2117. static unsigned char dump[8192];
  2119. while(offset > 0) {
  2120. long need = (long)min(offset, LONG_MAX);
  2121.     if(fseek(f, need, SEEK_CUR) < 0) {
  2122. need = (long)min(offset, sizeof(dump));
  2123. if(fread(dump, need, 1, f) < 1)
  2124. return false;
  2125. }
  2126. offset -= need;
  2127. }
  2128. return true;
  2129. }