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Commit 7b3808bf authored by Josh Coalson's avatar Josh Coalson
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improve to test seeking beyond end-of-stream

parent d2e010e7
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src/test_seeking/main.c
View file @ 7b3808bf
......@@ -29,6 +29,7 @@
#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
......@@ -36,7 +37,10 @@
#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;
......@@ -107,6 +111,16 @@ static FLAC__bool die_of_(const char *msg, const OggFLAC__FileDecoder *decoder)
}
#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;
......@@ -149,8 +163,12 @@ static void file_decoder_metadata_callback_(const FLAC__FileDecoder *decoder, co
if(dcd->error_occurred)
return;
if (metadata->type == FLAC__METADATA_TYPE_STREAMINFO)
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)
......@@ -170,13 +188,14 @@ static void file_decoder_error_callback_(const FLAC__FileDecoder *decoder, FLAC_
}
}
static FLAC__bool seek_barrage_native_flac(const char *filename, unsigned count)
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;
......@@ -209,12 +228,21 @@ static FLAC__bool seek_barrage_native_flac(const char *filename, unsigned count)
return die_f_("FLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
printf("file's total_samples is %llu\n", decoder_client_data.total_samples);
if (decoder_client_data.total_samples == 0 || decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
printf("ERROR: must be 0 < total_samples < %u\n", (unsigned)RAND_MAX);
if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
printf("ERROR: must be total_samples < %u\n", (unsigned)RAND_MAX);
return false;
}
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(n > RAND_MAX)
n = RAND_MAX;
}
printf("Begin seek barrage, count=%u\n", count);
for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
......@@ -228,6 +256,10 @@ static FLAC__bool seek_barrage_native_flac(const char *filename, unsigned count)
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);
......@@ -238,18 +270,51 @@ static FLAC__bool seek_barrage_native_flac(const char *filename, unsigned count)
printf("seek(%llu)... ", pos);
fflush(stdout);
if(!FLAC__file_decoder_seek_absolute(decoder, pos))
return die_f_("FLAC__file_decoder_seek_absolute() FAILED", decoder);
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... ");
printf("decode_frame... ");
fflush(stdout);
if(!FLAC__file_decoder_process_single(decoder))
return die_f_("FLAC__file_decoder_process_single() FAILED", decoder);
/* hack to work around a deficiency in the seek API's bahavior */
/* 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);
printf("decode_frame... ");
fflush(stdout);
if(!FLAC__file_decoder_process_single(decoder))
return die_f_("FLAC__file_decoder_process_single() 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("OK\n");
fflush(stdout);
......@@ -261,13 +326,14 @@ static FLAC__bool seek_barrage_native_flac(const char *filename, unsigned count)
}
#ifdef FLAC__HAS_OGG
static FLAC__bool seek_barrage_ogg_flac(const char *filename, unsigned count)
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;
......@@ -300,12 +366,20 @@ static FLAC__bool seek_barrage_ogg_flac(const char *filename, unsigned count)
return die_of_("OggFLAC__file_decoder_process_until_end_of_metadata() FAILED", decoder);
printf("file's total_samples is %llu\n", decoder_client_data.total_samples);
if (decoder_client_data.total_samples == 0 || decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
printf("ERROR: must be 0 < total_samples < %u\n", (unsigned)RAND_MAX);
if (decoder_client_data.total_samples > (FLAC__uint64)RAND_MAX) {
printf("ERROR: must be total_samples < %u\n", (unsigned)RAND_MAX);
return false;
}
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(n > RAND_MAX)
n = RAND_MAX;
}
printf("Begin seek barrage, count=%u\n", count);
for (i = 0; !stop_signal_ && (count == 0 || i < count); i++) {
......@@ -319,6 +393,10 @@ static FLAC__bool seek_barrage_ogg_flac(const char *filename, unsigned count)
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);
......@@ -329,18 +407,50 @@ static FLAC__bool seek_barrage_ogg_flac(const char *filename, unsigned count)
printf("seek(%llu)... ", pos);
fflush(stdout);
if(!OggFLAC__file_decoder_seek_absolute(decoder, pos))
return die_of_("OggFLAC__file_decoder_seek_absolute() 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("decode_frame... ");
fflush(stdout);
if(!OggFLAC__file_decoder_process_single(decoder))
return die_of_("OggFLAC__file_decoder_process_single() FAILED", decoder);
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 bahavior */
/* 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("OK\n");
fflush(stdout);
......@@ -356,6 +466,7 @@ 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";
......@@ -369,14 +480,14 @@ int main(int argc, char *argv[])
if (argc > 2)
count = strtoul(argv[2], 0, 10);
if (count < 20)
fprintf(stderr, "WARNING: random seeks don't kick in until after 20 preprogrammed ones\n");
if (count < 30)
fprintf(stderr, "WARNING: random seeks don't kick in until after 30 preprogrammed ones\n");
#if !defined _MSC_VER && !defined __MINGW32__
{
struct timeval tv;
if(gettimeofday(&tv, 0) < 0) {
if (gettimeofday(&tv, 0) < 0) {
fprintf(stderr, "WARNING: couldn't seed RNG with time\n");
tv.tv_usec = 4321;
}
......@@ -386,20 +497,26 @@ int main(int argc, char *argv[])
srand(time(0));
#endif
filesize = get_filesize_(filename);
if (filesize < 0) {
fprintf(stderr, "ERROR: can't determine filesize for %s\n", 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, count);
ok = seek_barrage_ogg_flac(filename, filesize, count);
#else
fprintf(stderr, "ERROR: Ogg FLAC not supported\n");
ok = false;
#endif
}
else {
ok = seek_barrage_native_flac(filename, count);
ok = seek_barrage_native_flac(filename, filesize, count);
}
return ok? 0 : 2;
}
......
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