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https://github.com/alsa-project/alsa-utils
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Added raw format specification
This commit is contained in:
Abramo Bagnara
parent
9c01963e5c
commit
2265c964e0
1 changed files with 55 additions and 41 deletions
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@ -108,6 +108,40 @@ struct fmt_capture {
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{ begin_au, end_wave, "Sparc Audio" }
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};
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struct {
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char *name;
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int format;
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} formats[] = {
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{ "s8", SND_PCM_SFMT_S8 },
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{ "u8", SND_PCM_SFMT_U8 },
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{ "s16l", SND_PCM_SFMT_S16_LE },
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{ "s16b", SND_PCM_SFMT_S16_BE },
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{ "u16l", SND_PCM_SFMT_U16_LE },
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{ "u16b", SND_PCM_SFMT_U16_BE },
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{ "s24l", SND_PCM_SFMT_S24_LE },
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{ "s24b", SND_PCM_SFMT_S24_BE },
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{ "u24l", SND_PCM_SFMT_U24_LE },
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{ "u24b", SND_PCM_SFMT_U24_BE },
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{ "s32l", SND_PCM_SFMT_S32_LE },
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{ "s32b", SND_PCM_SFMT_S32_BE },
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{ "u32l", SND_PCM_SFMT_U32_LE },
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{ "u32b", SND_PCM_SFMT_U32_BE },
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{ "f32l", SND_PCM_SFMT_FLOAT_LE },
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{ "f32b", SND_PCM_SFMT_FLOAT_BE },
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{ "f64l", SND_PCM_SFMT_FLOAT64_LE },
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{ "f64b", SND_PCM_SFMT_FLOAT64_BE },
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{ "iec958l", SND_PCM_SFMT_IEC958_SUBFRAME_LE },
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{ "iec958b", SND_PCM_SFMT_IEC958_SUBFRAME_BE },
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{ "mulaw", SND_PCM_SFMT_MU_LAW },
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{ "alaw", SND_PCM_SFMT_A_LAW },
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{ "adpcm", SND_PCM_SFMT_IMA_ADPCM },
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{ "mpeg", SND_PCM_SFMT_MPEG },
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{ "gsm", SND_PCM_SFMT_GSM },
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{ "special", SND_PCM_SFMT_SPECIAL }
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};
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#define NUMFORMATS (sizeof(formats)/sizeof(formats[0]))
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static void check_new_format(snd_pcm_format_t * format)
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{
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if (cinfo.min_rate > format->rate || cinfo.max_rate < format->rate) {
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@ -122,6 +156,7 @@ static void check_new_format(snd_pcm_format_t * format)
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static void usage(char *command)
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{
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int i;
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fprintf(stderr,
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"Usage: %s [switches] [filename] <filename> ...\n"
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"Available switches:\n"
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@ -133,19 +168,21 @@ static void usage(char *command)
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" -d <device> select device #, defaults to 0\n"
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" -q quiet mode\n"
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" -v file format Voc\n"
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" -u file format Sparc Audio (.au)\n"
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" -w file format Wave\n"
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" -r file format Raw\n"
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" -S stereo\n"
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" -t <secs> timelimit (seconds)\n"
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" -s <Hz> speed (Hz)\n"
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" -b <bits> sample size (8,16 bits)\n"
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" -m set CD-ROM quality (44100Hz,stereo,16-bit linear)\n"
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" -M set DAT quality (48000Hz,stereo,16-bit linear)\n"
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" -p <type> compression type (alaw, ulaw, adpcm)\n"
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" -f <format> data format\n"
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" -m set CD-ROM quality (44100Hz,stereo,16-bit linear, little endian)\n"
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" -M set DAT quality (48000Hz,stereo,16-bit linear, little endian)\n"
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" -t <secs> timelimit (seconds)\n"
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" -e stream mode\n"
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" -E mmap mode\n"
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,command, snd_cards()-1);
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fprintf(stderr, "\nRecognized data formats are:");
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for (i = 0; i < NUMFORMATS; ++i)
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fprintf(stderr, " %s", formats[i].name);
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fprintf(stderr, "\nSome of this may not be available on selected hardware\n");
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}
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static void device_list(void)
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@ -260,7 +297,7 @@ int main(int argc, char *argv[])
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version();
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return 0;
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}
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while ((c = getopt(argc, argv, "hlc:d:qs:So:t:b:vrwuxB:c:p:mMVeE")) != EOF)
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while ((c = getopt(argc, argv, "hlc:d:qs:So:t:vrwxB:c:p:mMVeEf:")) != EOF)
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switch (c) {
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case 'h':
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usage(command);
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@ -304,10 +341,6 @@ int main(int argc, char *argv[])
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case 'w':
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active_format = FORMAT_WAVE;
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break;
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case 'u':
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active_format = FORMAT_AU;
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rformat.format = SND_PCM_SFMT_MU_LAW;
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break;
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case 's':
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tmp = atoi(optarg);
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if (tmp < 300)
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@ -321,42 +354,23 @@ int main(int argc, char *argv[])
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case 't':
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timelimit = atoi(optarg);
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break;
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case 'b':
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tmp = atoi(optarg);
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switch (tmp) {
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case 8:
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rformat.format = SND_PCM_SFMT_U8;
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break;
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case 16:
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rformat.format = SND_PCM_SFMT_S16_LE;
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break;
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}
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break;
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case 'x':
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verbose_mode = 1;
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quiet_mode = 0;
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break;
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case 'p':
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if (!strcmp(optarg, "alaw")) {
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rformat.format = SND_PCM_SFMT_A_LAW;
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active_format = FORMAT_RAW;
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break;
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} else if (!strcmp(optarg, "ulaw") || !strcmp(optarg, "mulaw")) {
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rformat.format = SND_PCM_SFMT_MU_LAW;
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active_format = FORMAT_RAW;
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break;
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} else if (!strcmp(optarg, "adpcm")) {
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rformat.format = SND_PCM_SFMT_IMA_ADPCM;
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active_format = FORMAT_RAW;
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break;
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case 'f':
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for (tmp = 0; tmp < NUMFORMATS; ++tmp) {
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if (!strcmp(optarg, formats[tmp].name)) {
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rformat.format = formats[tmp].format;
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active_format = FORMAT_RAW;
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break;
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}
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}
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if (!strcmp(optarg, "special")) {
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rformat.format = SND_PCM_SFMT_SPECIAL;
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active_format = FORMAT_RAW;
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break;
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if (tmp == NUMFORMATS) {
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fprintf(stderr, "Error: wrong extended format '%s'\n", optarg);
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return 1;
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}
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fprintf(stderr, "Error: wrong extended format '%s'\n", optarg);
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return 1;
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break;
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case 'm':
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case 'M':
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rformat.format = SND_PCM_SFMT_S16_LE;
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