main.c
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上传日期:2014-04-03
资源大小:7248k
文件大小:18k
源码类别:
Windows CE
开发平台:
C/C++
- /* test_seeking - Seeking tester for libFLAC and libOggFLAC
- * Copyright (C) 2004,2005 Josh Coalson
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
- #ifdef HAVE_CONFIG_H
- #include <config.h>
- #endif
- #include <signal.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #if defined _MSC_VER || defined __MINGW32__
- #include <time.h>
- #else
- #include <sys/time.h>
- #endif
- #include <sys/stat.h> /* for stat() */
- #include "FLAC/assert.h"
- #include "FLAC/file_decoder.h"
- #ifdef FLAC__HAS_OGG
- #include "OggFLAC/file_decoder.h"
- #endif
- typedef struct {
- FLAC__bool got_data;
- FLAC__uint64 total_samples;
- unsigned channels;
- unsigned bits_per_sample;
- FLAC__bool ignore_errors;
- FLAC__bool error_occurred;
- } decoder_client_data_struct;
- static FLAC__bool stop_signal_ = false;
- static void our_sigint_handler_(int signal)
- {
- (void)signal;
- printf("(caught SIGINT) ");
- fflush(stdout);
- stop_signal_ = true;
- }
- static FLAC__bool die_(const char *msg)
- {
- printf("ERROR: %sn", msg);
- return false;
- }
- static FLAC__bool die_f_(const char *msg, const FLAC__FileDecoder *decoder)
- {
- FLAC__FileDecoderState state = FLAC__file_decoder_get_state(decoder);
- if(msg)
- printf("FAILED, %s", msg);
- else
- printf("FAILED");
- printf(", state = %u (%s)n", (unsigned)state, FLAC__FileDecoderStateString[state]);
- if(state == FLAC__FILE_DECODER_SEEKABLE_STREAM_DECODER_ERROR) {
- FLAC__SeekableStreamDecoderState state_ = FLAC__file_decoder_get_seekable_stream_decoder_state(decoder);
- printf(" seekable stream decoder state = %u (%s)n", (unsigned)state, FLAC__SeekableStreamDecoderStateString[state_]);
- if(state_ == FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR) {
- FLAC__StreamDecoderState state__ = FLAC__file_decoder_get_stream_decoder_state(decoder);
- printf(" stream decoder state = %u (%s)n", (unsigned)state__, FLAC__StreamDecoderStateString[state__]);
- }
- }
- return false;
- }
- #ifdef FLAC__HAS_OGG
- static FLAC__bool die_of_(const char *msg, const OggFLAC__FileDecoder *decoder)
- {
- OggFLAC__FileDecoderState state = OggFLAC__file_decoder_get_state(decoder);
- if(msg)
- printf("FAILED, %s", msg);
- else
- printf("FAILED");
- printf(", state = %u (%s)n", (unsigned)state, OggFLAC__SeekableStreamDecoderStateString[state]);
- if(state == OggFLAC__FILE_DECODER_SEEKABLE_STREAM_DECODER_ERROR) {
- OggFLAC__SeekableStreamDecoderState state_ = OggFLAC__file_decoder_get_seekable_stream_decoder_state(decoder);
- printf(" seekable stream decoder state = %u (%s)n", (unsigned)state_, OggFLAC__SeekableStreamDecoderStateString[state_]);
- if(state_ == OggFLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR) {
- OggFLAC__StreamDecoderState state__ = OggFLAC__file_decoder_get_stream_decoder_state(decoder);
- printf(" stream decoder state = %u (%s)n", (unsigned)state__, OggFLAC__StreamDecoderStateString[state__]);
- if(state__ == OggFLAC__STREAM_DECODER_FLAC_STREAM_DECODER_ERROR) {
- FLAC__StreamDecoderState state___ = OggFLAC__file_decoder_get_FLAC_stream_decoder_state(decoder);
- printf(" FLAC stream decoder state = %u (%s)n", (unsigned)state___, FLAC__StreamDecoderStateString[state___]);
- }
- }
- }
- return false;
- }
- #endif
- static off_t get_filesize_(const char *srcpath)
- {
- struct stat srcstat;
- if(0 == stat(srcpath, &srcstat))
- return srcstat.st_size;
- else
- return -1;
- }
- static FLAC__StreamDecoderWriteStatus file_decoder_write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
- {
- decoder_client_data_struct *dcd = (decoder_client_data_struct*)client_data;
- (void)decoder, (void)buffer;
- if(0 == dcd) {
- printf("ERROR: client_data in write callback is NULLn");
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- if(dcd->error_occurred)
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- if (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER)
- printf("frame@%uf(%u)... ", frame->header.number.frame_number, frame->header.blocksize);
- else if (frame->header.number_type == FLAC__FRAME_NUMBER_TYPE_SAMPLE_NUMBER)
- printf("frame@%llu(%u)... ", frame->header.number.sample_number, frame->header.blocksize);
- else {
- FLAC__ASSERT(0);
- dcd->error_occurred = true;
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
- }
- fflush(stdout);
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
- }
- static void file_decoder_metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
- {
- decoder_client_data_struct *dcd = (decoder_client_data_struct*)client_data;
- (void)decoder;
- if(0 == dcd) {
- printf("ERROR: client_data in metadata callback is NULLn");
- return;
- }
- if(dcd->error_occurred)
- return;
- if (!dcd->got_data && metadata->type == FLAC__METADATA_TYPE_STREAMINFO) {
- dcd->got_data = true;
- dcd->total_samples = metadata->data.stream_info.total_samples;
- dcd->channels = metadata->data.stream_info.channels;
- dcd->bits_per_sample = metadata->data.stream_info.bits_per_sample;
- }
- }
- static void file_decoder_error_callback_(const FLAC__FileDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
- {
- decoder_client_data_struct *dcd = (decoder_client_data_struct*)client_data;
- (void)decoder;
- if(0 == dcd) {
- printf("ERROR: client_data in error callback is NULLn");
- return;
- }
- if(!dcd->ignore_errors) {
- printf("ERROR: got error callback: err = %u (%s)n", (unsigned)status, FLAC__StreamDecoderErrorStatusString[status]);
- dcd->error_occurred = true;
- }
- }
- static FLAC__bool seek_barrage_native_flac(const char *filename, off_t filesize, unsigned count)
- {
- FLAC__FileDecoder *decoder;
- decoder_client_data_struct decoder_client_data;
- unsigned i;
- long int n;
- decoder_client_data.got_data = false;
- decoder_client_data.total_samples = 0;
- decoder_client_data.ignore_errors = false;
- decoder_client_data.error_occurred = false;
- printf("n+++ seek test: FLAC__FileDecodernn");
- decoder = FLAC__file_decoder_new();
- if(0 == decoder)
- return die_("FLAC__file_decoder_new() FAILED, returned NULLn");
- if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
- return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);
- if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
- return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);
- if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
- return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);
- if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
- return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);
- if(!FLAC__file_decoder_set_filename(decoder, filename))
- return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);
- if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
- return die_f_("FLAC__file_decoder_init() FAILED", decoder);
- if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
- return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
- printf("file's total_samples is %llun", decoder_client_data.total_samples);
- #if !defined _MSC_VER && !defined __MINGW32__
- if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
- printf("ERROR: must be total_samples < %un", (unsigned)RAND_MAX);
- return false;
- }
- #endif
- n = (long int)decoder_client_data.total_samples;
- /* if we don't have a total samples count, just guess based on the file size */
- /* @@@ should get it from last page's granulepos */
- if(n == 0) {
- /* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */
- n = 9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample);
- #if !defined _MSC_VER && !defined __MINGW32__
- if(n > RAND_MAX)
- n = RAND_MAX;
- #endif
- }
- printf("Begin seek barrage, count=%un", count);
- for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
- FLAC__uint64 pos;
- /* for the first 10, seek to the first 10 samples */
- if (n >= 10 && i < 10) {
- pos = i;
- }
- /* for the second 10, seek to the last 10 samples */
- else if (n >= 10 && i < 20) {
- pos = n - 1 - (i-10);
- }
- /* for the third 10, seek past the end and make sure we fail properly as expected */
- else if (i < 30) {
- pos = n + (i-20);
- }
- else {
- #if !defined _MSC_VER && !defined __MINGW32__
- pos = (FLAC__uint64)(random() % n);
- #else
- /* RAND_MAX is only 32767 in my MSVC */
- pos = (FLAC__uint64)((rand()<<15|rand()) % n);
- #endif
- }
- printf("seek(%llu)... ", pos);
- fflush(stdout);
- if(!FLAC__file_decoder_seek_absolute(decoder, pos)) {
- if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
- return die_f_("FLAC__file_decoder_seek_absolute() FAILED", decoder);
- else if(decoder_client_data.total_samples == 0)
- printf("seek failed, assuming it was past EOF... ");
- else
- printf("seek past end failed as expected... ");
- /* hack to work around a deficiency in the seek API's behavior */
- /* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
- if(!FLAC__file_decoder_finish(decoder))
- return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
- if(!FLAC__file_decoder_set_write_callback(decoder, file_decoder_write_callback_))
- return die_f_("FLAC__file_decoder_set_write_callback() FAILED", decoder);
- if(!FLAC__file_decoder_set_metadata_callback(decoder, file_decoder_metadata_callback_))
- return die_f_("FLAC__file_decoder_set_metadata_callback() FAILED", decoder);
- if(!FLAC__file_decoder_set_error_callback(decoder, file_decoder_error_callback_))
- return die_f_("FLAC__file_decoder_set_error_callback() FAILED", decoder);
- if(!FLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
- return die_f_("FLAC__file_decoder_set_client_data() FAILED", decoder);
- if(!FLAC__file_decoder_set_filename(decoder, filename))
- return die_f_("FLAC__file_decoder_set_filename() FAILED", decoder);
- if(FLAC__file_decoder_init(decoder) != FLAC__FILE_DECODER_OK)
- return die_f_("FLAC__file_decoder_init() FAILED", decoder);
- if(!FLAC__file_decoder_process_until_end_of_metadata(decoder))
- return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
- }
- else {
- printf("decode_frame... ");
- fflush(stdout);
- if(!FLAC__file_decoder_process_single(decoder))
- return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
- printf("decode_frame... ");
- fflush(stdout);
- if(!FLAC__file_decoder_process_single(decoder))
- return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
- }
- printf("OKn");
- fflush(stdout);
- }
- if(FLAC__file_decoder_get_state(decoder) != FLAC__FILE_DECODER_UNINITIALIZED) {
- if(!FLAC__file_decoder_finish(decoder))
- return die_f_("FLAC__file_decoder_finish() FAILED", decoder);
- }
- printf("nPASSED!n");
- return true;
- }
- #ifdef FLAC__HAS_OGG
- static FLAC__bool seek_barrage_ogg_flac(const char *filename, off_t filesize, unsigned count)
- {
- OggFLAC__FileDecoder *decoder;
- decoder_client_data_struct decoder_client_data;
- unsigned i;
- long int n;
- decoder_client_data.got_data = false;
- decoder_client_data.total_samples = 0;
- decoder_client_data.ignore_errors = false;
- decoder_client_data.error_occurred = false;
- printf("n+++ seek test: OggFLAC__FileDecodernn");
- decoder = OggFLAC__file_decoder_new();
- if(0 == decoder)
- return die_("OggFLAC__file_decoder_new() FAILED, returned NULLn");
- if(!OggFLAC__file_decoder_set_write_callback(decoder, (OggFLAC__FileDecoderWriteCallback)file_decoder_write_callback_))
- return die_of_("OggFLAC__file_decoder_set_write_callback() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_metadata_callback(decoder, (OggFLAC__FileDecoderMetadataCallback)file_decoder_metadata_callback_))
- return die_of_("OggFLAC__file_decoder_set_metadata_callback() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_error_callback(decoder, (OggFLAC__FileDecoderErrorCallback)file_decoder_error_callback_))
- return die_of_("OggFLAC__file_decoder_set_error_callback() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
- return die_of_("OggFLAC__file_decoder_set_client_data() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_filename(decoder, filename))
- return die_of_("OggFLAC__file_decoder_set_filename() FAILED", decoder);
- if(OggFLAC__file_decoder_init(decoder) != OggFLAC__FILE_DECODER_OK)
- return die_of_("OggFLAC__file_decoder_init() FAILED", decoder);
- if(!OggFLAC__file_decoder_process_until_end_of_metadata(decoder))
- return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
- printf("file's total_samples is %llun", decoder_client_data.total_samples);
- #if !defined _MSC_VER && !defined __MINGW32__
- if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
- printf("ERROR: must be total_samples < %un", (unsigned)RAND_MAX);
- return false;
- }
- #endif
- n = (long int)decoder_client_data.total_samples;
- /* if we don't have a total samples count, just guess based on the file size */
- if(n == 0) {
- /* 8 would imply no compression, 9 guarantees that we will get some samples off the end of the stream to test that case */
- n = 9 * filesize / (decoder_client_data.channels * decoder_client_data.bits_per_sample);
- #if !defined _MSC_VER && !defined __MINGW32__
- if(n > RAND_MAX)
- n = RAND_MAX;
- #endif
- }
- printf("Begin seek barrage, count=%un", count);
- for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
- FLAC__uint64 pos;
- /* for the first 10, seek to the first 10 samples */
- if (n >= 10 && i < 10) {
- pos = i;
- }
- /* for the second 10, seek to the last 10 samples */
- else if (n >= 10 && i < 20) {
- pos = n - 1 - (i-10);
- }
- /* for the third 10, seek past the end and make sure we fail properly as expected */
- else if (i < 30) {
- pos = n + (i-20);
- }
- else {
- #if !defined _MSC_VER && !defined __MINGW32__
- pos = (FLAC__uint64)(random() % n);
- #else
- /* RAND_MAX is only 32767 in my MSVC */
- pos = (FLAC__uint64)((rand()<<15|rand()) % n);
- #endif
- }
- printf("seek(%llu)... ", pos);
- fflush(stdout);
- if(!OggFLAC__file_decoder_seek_absolute(decoder, pos)) {
- if(pos < (FLAC__uint64)n && decoder_client_data.total_samples != 0)
- return die_of_("OggFLAC__file_decoder_seek_absolute() FAILED", decoder);
- else if(decoder_client_data.total_samples == 0)
- printf("seek failed, assuming it was past EOF... ");
- else
- printf("seek past end failed as expected... ");
- /* hack to work around a deficiency in the seek API's behavior */
- /* seeking past EOF sets the file decoder state to non-OK and there's no ..._flush() or ..._reset() call to reset it */
- if(!OggFLAC__file_decoder_finish(decoder))
- return die_of_("OggFLAC__file_decoder_finish() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_write_callback(decoder, (OggFLAC__FileDecoderWriteCallback)file_decoder_write_callback_))
- return die_of_("OggFLAC__file_decoder_set_write_callback() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_metadata_callback(decoder, (OggFLAC__FileDecoderMetadataCallback)file_decoder_metadata_callback_))
- return die_of_("OggFLAC__file_decoder_set_metadata_callback() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_error_callback(decoder, (OggFLAC__FileDecoderErrorCallback)file_decoder_error_callback_))
- return die_of_("OggFLAC__file_decoder_set_error_callback() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_client_data(decoder, &decoder_client_data))
- return die_of_("OggFLAC__file_decoder_set_client_data() FAILED", decoder);
- if(!OggFLAC__file_decoder_set_filename(decoder, filename))
- return die_of_("OggFLAC__file_decoder_set_filename() FAILED", decoder);
- if(OggFLAC__file_decoder_init(decoder) != OggFLAC__FILE_DECODER_OK)
- return die_of_("OggFLAC__file_decoder_init() FAILED", decoder);
- if(!OggFLAC__file_decoder_process_until_end_of_metadata(decoder))
- return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
- }
- else {
- printf("decode_frame... ");
- fflush(stdout);
- if(!OggFLAC__file_decoder_process_single(decoder))
- return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);
- printf("decode_frame... ");
- fflush(stdout);
- if(!OggFLAC__file_decoder_process_single(decoder))
- return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);
- }
- printf("OKn");
- fflush(stdout);
- }
- if(OggFLAC__file_decoder_get_state(decoder) != OggFLAC__FILE_DECODER_UNINITIALIZED) {
- if(!OggFLAC__file_decoder_finish(decoder))
- return die_of_("OggFLAC__file_decoder_finish() FAILED", decoder);
- }
- printf("nPASSED!n");
- return true;
- }
- #endif
- int main(int argc, char *argv[])
- {
- const char *filename;
- unsigned count = 0;
- off_t filesize;
- static const char * const usage = "usage: test_seeking file.flac [#seeks]n";
- if (argc < 1 || argc > 3) {
- fprintf(stderr, usage);
- return 1;
- }
- filename = argv[1];
- if (argc > 2)
- count = strtoul(argv[2], 0, 10);
- if (count < 30)
- fprintf(stderr, "WARNING: random seeks don't kick in until after 30 preprogrammed onesn");
- #if !defined _MSC_VER && !defined __MINGW32__
- {
- struct timeval tv;
- if (gettimeofday(&tv, 0) < 0) {
- fprintf(stderr, "WARNING: couldn't seed RNG with timen");
- tv.tv_usec = 4321;
- }
- srandom(tv.tv_usec);
- }
- #else
- srand(time(0));
- #endif
- filesize = get_filesize_(filename);
- if (filesize < 0) {
- fprintf(stderr, "ERROR: can't determine filesize for %sn", filename);
- return 1;
- }
- (void) signal(SIGINT, our_sigint_handler_);
- {
- FLAC__bool ok;
- if (strlen(filename) > 4 && 0 == strcmp(filename+strlen(filename)-4, ".ogg")) {
- #ifdef FLAC__HAS_OGG
- ok = seek_barrage_ogg_flac(filename, filesize, count);
- #else
- fprintf(stderr, "ERROR: Ogg FLAC not supportedn");
- ok = false;
- #endif
- }
- else {
- ok = seek_barrage_native_flac(filename, filesize, count);
- }
- return ok? 0 : 2;
- }
- }