ref: a5b658d1d7b26d5856f9f1a642550ae3ff75a084
parent: c2a881c02b12a5d07a68fe4694741aceb1385e74
author: lieff <[email protected]>
date: Thu Feb 13 12:43:48 EST 2020
test: improve coverage mp3dec_ex: fix mp3dec_ex_read read-by-blocks
--- a/minimp3_ex.h
+++ b/minimp3_ex.h
@@ -65,11 +65,9 @@
uint64_t offset, samples, detected_samples, cur_sample, start_offset, end_offset;
mp3dec_frame_info_t info;
mp3d_sample_t buffer[MINIMP3_MAX_SAMPLES_PER_FRAME];
-#ifndef MINIMP3_NO_STDIO
- int is_file;
-#endif
+ size_t input_consumed, input_filled;
+ int is_file, seek_method, vbr_tag_found;
int free_format_bytes;
- int seek_method, vbr_tag_found;
int buffer_samples, buffer_consumed, to_skip, start_delay;
} mp3dec_ex_t;
@@ -688,6 +686,8 @@
dec->io->seek(dec->offset, dec->io->seek_data);
dec->buffer_samples = 0;
dec->buffer_consumed = 0;
+ dec->input_consumed = 0;
+ dec->input_filled = 0;
mp3dec_init(&dec->mp3d);
return 0;
}
@@ -696,7 +696,6 @@
{
uint64_t end_offset = dec->end_offset ? dec->end_offset : dec->file.size;
size_t samples_requested = samples;
- size_t filled = 0, consumed = 0;
int eof = 0;
mp3dec_frame_info_t frame_info;
memset(&frame_info, 0, sizeof(frame_info));
@@ -723,23 +722,23 @@
const uint8_t *dec_buf;
if (dec->io)
{
- if (!eof && (filled - consumed) < MINIMP3_BUF_SIZE)
+ if (!eof && (dec->input_filled - dec->input_consumed) < MINIMP3_BUF_SIZE)
{ /* keep minimum 10 consecutive mp3 frames (~16KB) worst case */
- memmove((uint8_t*)dec->file.buffer, (uint8_t*)dec->file.buffer + consumed, filled - consumed);
- filled -= consumed;
- consumed = 0;
- size_t readed = dec->io->read((uint8_t*)dec->file.buffer + filled, dec->file.size - filled, dec->io->read_data);
- if (readed != (dec->file.size - filled))
+ memmove((uint8_t*)dec->file.buffer, (uint8_t*)dec->file.buffer + dec->input_consumed, dec->input_filled - dec->input_consumed);
+ dec->input_filled -= dec->input_consumed;
+ dec->input_consumed = 0;
+ size_t readed = dec->io->read((uint8_t*)dec->file.buffer + dec->input_filled, dec->file.size - dec->input_filled, dec->io->read_data);
+ if (readed != (dec->file.size - dec->input_filled))
eof = 1;
- filled += readed;
+ dec->input_filled += readed;
if (eof)
- mp3dec_skip_id3v1((uint8_t*)dec->file.buffer, &filled);
+ mp3dec_skip_id3v1((uint8_t*)dec->file.buffer, &dec->input_filled);
}
- dec_buf = dec->file.buffer + consumed;
- if (!(filled - consumed))
+ dec_buf = dec->file.buffer + dec->input_consumed;
+ if (!(dec->input_filled - dec->input_consumed))
break;
- dec->buffer_samples = mp3dec_decode_frame(&dec->mp3d, dec_buf, filled - consumed, dec->buffer, &frame_info);
- consumed += frame_info.frame_bytes;
+ dec->buffer_samples = mp3dec_decode_frame(&dec->mp3d, dec_buf, dec->input_filled - dec->input_consumed, dec->buffer, &frame_info);
+ dec->input_consumed += frame_info.frame_bytes;
} else
{
dec_buf = dec->file.buffer + dec->offset;
--- a/minimp3_test.c
+++ b/minimp3_test.c
@@ -113,7 +113,7 @@
return 0;
}
-static void decode_file(const char *input_file_name, const unsigned char *buf_ref, int ref_size, FILE *file_out, const int wave_out, const int mode, int position)
+static void decode_file(const char *input_file_name, const unsigned char *buf_ref, int ref_size, FILE *file_out, const int wave_out, const int mode, int position, int portion)
{
mp3dec_t mp3d;
int i, res = -1, data_bytes, total_samples = 0, maxdiff = 0;
@@ -220,12 +220,26 @@
ref_size -= skip_ref;
mp3dec_ex_seek(&dec, position);
}
- readed = mp3dec_ex_read(&dec, info.buffer, info.samples);
- if (readed != info.samples)
+ if (portion < 0)
{
- printf("error: mp3dec_ex_read() readed less than expected\n");
- exit(1);
+ portion = (uint64_t)(info.samples + 150)*rand()/RAND_MAX;
+ printf("info: read by %d samples\n", portion);
}
+ if (0 == portion)
+ portion = info.samples;
+ int samples = info.samples, samples_readed = 0;
+ while (samples)
+ {
+ int to_read = MINIMP3_MIN(samples, portion);
+ readed = mp3dec_ex_read(&dec, info.buffer + samples_readed, to_read);
+ if (readed != (size_t)to_read)
+ {
+ printf("error: mp3dec_ex_read() readed less than expected\n");
+ exit(1);
+ }
+ samples -= to_read;
+ samples_readed += to_read;
+ }
readed = mp3dec_ex_read(&dec, info.buffer, 1);
if (readed)
{
@@ -332,7 +346,7 @@
int main(int argc, char *argv[])
#endif
{
- int wave_out = 0, mode = 0, position = 0, i, ref_size;
+ int wave_out = 0, mode = 0, position = 0, portion = 0, i, ref_size;
for(i = 1; i < argc; i++)
{
if (argv[i][0] != '-')
@@ -341,6 +355,7 @@
{
case 'm': i++; if (i < argc) mode = atoi(argv[i]); break;
case 's': i++; if (i < argc) position = atoi(argv[i]); break;
+ case 'p': i++; if (i < argc) portion = atoi(argv[i]); break;
default:
printf("error: unrecognized option\n");
return 1;
@@ -372,7 +387,7 @@
printf("error: no file names given\n");
return 1;
}
- decode_file(input_file_name, buf_ref, ref_size, file_out, wave_out, mode, position);
+ decode_file(input_file_name, buf_ref, ref_size, file_out, wave_out, mode, position, portion);
#ifdef __AFL_HAVE_MANUAL_CONTROL
}
#endif
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -11,22 +11,22 @@
echo testing mp4 mode...
gcc $CFLAGS -DMP4_MODE -o minimp3 minimp3_test.c -lm
-scripts/test_mode.sh 3 0
+scripts/test_mode.sh 3 0 0
echo testing stream mode...
-scripts/test_mode.sh 6 -1
+scripts/test_mode.sh 6 -1 -1
echo testing coverage x86 w sse...
gcc -coverage -O0 -m32 -std=c89 -msse2 -DMINIMP3_TEST -DMINIMP3_NO_WAV -o minimp3 minimp3_test.c -lm
scripts/test.sh
-scripts/test_mode.sh 1 0
-scripts/test_mode.sh 2 0
-scripts/test_mode.sh 3 0
-scripts/test_mode.sh 4 0
-scripts/test_mode.sh 5 0
-scripts/test_mode.sh 6 -1
-scripts/test_mode.sh 7 -1
-scripts/test_mode.sh 8 -1
+scripts/test_mode.sh 1 0 0
+scripts/test_mode.sh 2 0 0
+scripts/test_mode.sh 3 0 0
+scripts/test_mode.sh 4 0 0
+scripts/test_mode.sh 5 0 0
+scripts/test_mode.sh 6 -1 -1
+scripts/test_mode.sh 7 -1 -1
+scripts/test_mode.sh 8 -1 -1
set +e
./minimp3
./minimp3 do_not_exist
@@ -44,14 +44,14 @@
echo testing x64 with float output...
gcc $CFLAGS -DMINIMP3_FLOAT_OUTPUT -o minimp3 minimp3_test.c -lm
scripts/test.sh
-scripts/test_mode.sh 1 0
-scripts/test_mode.sh 2 0
-scripts/test_mode.sh 3 0
-scripts/test_mode.sh 4 0
-scripts/test_mode.sh 5 0
-scripts/test_mode.sh 6 -1
-scripts/test_mode.sh 7 -1
-scripts/test_mode.sh 8 -1
+scripts/test_mode.sh 1 0 0
+scripts/test_mode.sh 2 0 0
+scripts/test_mode.sh 3 0 0
+scripts/test_mode.sh 4 0 0
+scripts/test_mode.sh 5 0 0
+scripts/test_mode.sh 6 -1 -1
+scripts/test_mode.sh 7 -1 -1
+scripts/test_mode.sh 8 -1 -1
echo testing arm w/o neon...
arm-none-eabi-gcc $CFLAGS -mthumb -mcpu=arm9e -o minimp3_arm minimp3_test.c --specs=rdimon.specs -lm
--- a/scripts/test_mode.sh
+++ b/scripts/test_mode.sh
@@ -7,6 +7,7 @@
APP=./minimp3
MODE=$1
POSITION=$2
+PORTION=$3
VECTORS="vectors/l3-compl.bit vectors/l3-he_32khz.bit vectors/l3-he_44khz.bit vectors/l3-he_48khz.bit \
vectors/l3-hecommon.bit vectors/l3-he_mode.bit vectors/l3-si.bit vectors/l3-si_block.bit vectors/l3-si_huff.bit \
vectors/l3-sin1k0db.bit vectors/l3-test45.bit vectors/l3-test46.bit vectors/M2L3_bitrate_16_all.bit \
@@ -18,9 +19,9 @@
set +e
for i in $VECTORS; do
-$APP -m $MODE -s $POSITION $i ${i%.*}.pcm
+$APP -m $MODE -s $POSITION -p $PORTION $i ${i%.*}.pcm
retval=$?
-echo -m $MODE -s $POSITION $i exited with code=$retval
+echo -m $MODE -s $POSITION -p $PORTION $i exited with code=$retval
if [ ! $retval -eq 0 ]; then
exit 1
fi