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Added raw file support in tinyplay

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-Added raw file support in tinyplay to play PCM raw files

Signed-off-by: Jaydeep Dhole <jaydeepdhole@gmail.com>
This commit is contained in:
Jaydeep Dhole
2015-12-18 23:22:10 +05:30
parent 1f8145a46a
commit bc0c23b0f6
1 changed files with 62 additions and 31 deletions
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tinyplay.c
+62 -31
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@@ -81,12 +81,18 @@ int main(int argc, char **argv)
unsigned int card = 0;
unsigned int period_size = 1024;
unsigned int period_count = 4;
unsigned int channels = 2;
unsigned int rate = 48000;
unsigned int bits = 16;
unsigned int is_raw = 0; /* Default wav file */
char *filename;
int more_chunks = 1;
if (argc < 2) {
fprintf(stderr, "Usage: %s file.wav [-D card] [-d device] [-p period_size]"
fprintf(stderr, "Usage1: %s file.wav [-D card] [-d device] [-p period_size]"
" [-n n_periods] \n", argv[0]);
fprintf(stderr, "Usage2: %s file.raw [-D card] [-d device] [-p period_size] "
"[-n n_periods] [-c channels] [-r rate] [-b bits] -i raw \n", argv[0]);
return 1;
}
@@ -97,34 +103,6 @@ int main(int argc, char **argv)
return 1;
}
fread(&riff_wave_header, sizeof(riff_wave_header), 1, file);
if ((riff_wave_header.riff_id != ID_RIFF) ||
(riff_wave_header.wave_id != ID_WAVE)) {
fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename);
fclose(file);
return 1;
}
do {
fread(&chunk_header, sizeof(chunk_header), 1, file);
switch (chunk_header.id) {
case ID_FMT:
fread(&chunk_fmt, sizeof(chunk_fmt), 1, file);
/* If the format header is larger, skip the rest */
if (chunk_header.sz > sizeof(chunk_fmt))
fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR);
break;
case ID_DATA:
/* Stop looking for chunks */
more_chunks = 0;
break;
default:
/* Unknown chunk, skip bytes */
fseek(file, chunk_header.sz, SEEK_CUR);
}
} while (more_chunks);
/* parse command line arguments */
argv += 2;
while (*argv) {
@@ -148,12 +126,65 @@ int main(int argc, char **argv)
if (*argv)
card = atoi(*argv);
}
if (strcmp(*argv, "-c") == 0) {
argv++;
if (*argv)
channels = atoi(*argv);
}
if (strcmp(*argv, "-r") == 0) {
argv++;
if (*argv)
rate = atoi(*argv);
}
if (strcmp(*argv, "-b") == 0) {
argv++;
if (*argv)
bits = atoi(*argv);
}
if (strcmp(*argv, "-i") == 0) {
argv++;
if (*argv) {
if (strcasecmp(*argv, "raw") == 0) {
is_raw = 1;
}
}
}
if (*argv)
argv++;
}
play_sample(file, card, device, chunk_fmt.num_channels, chunk_fmt.sample_rate,
chunk_fmt.bits_per_sample, period_size, period_count);
if ( !is_raw ) {
fread(&riff_wave_header, sizeof(riff_wave_header), 1, file);
if ((riff_wave_header.riff_id != ID_RIFF) ||
(riff_wave_header.wave_id != ID_WAVE)) {
fprintf(stderr, "Error: '%s' is not a riff/wave file\n", filename);
fclose(file);
return 1;
}
do {
fread(&chunk_header, sizeof(chunk_header), 1, file);
switch (chunk_header.id) {
case ID_FMT:
fread(&chunk_fmt, sizeof(chunk_fmt), 1, file);
/* If the format header is larger, skip the rest */
if (chunk_header.sz > sizeof(chunk_fmt))
fseek(file, chunk_header.sz - sizeof(chunk_fmt), SEEK_CUR);
break;
case ID_DATA:
/* Stop looking for chunks */
more_chunks = 0;
break;
default:
/* Unknown chunk, skip bytes */
fseek(file, chunk_header.sz, SEEK_CUR);
}
} while (more_chunks);
channels = chunk_fmt.num_channels;
rate = chunk_fmt.sample_rate;
bits = chunk_fmt.bits_per_sample;
}
play_sample(file, card, device, channels, rate, bits, period_size, period_count);
fclose(file);