diff options
| -rw-r--r-- | tinyplay.c | 28 |
1 files changed, 18 insertions, 10 deletions
@@ -54,16 +54,17 @@ struct wav_header { uint32_t data_sz; }; -void play_sample(FILE *file, unsigned int channels, unsigned int rate, - unsigned int bits); +void play_sample(FILE *file, unsigned int device, unsigned int channels, + unsigned int rate, unsigned int bits); int main(int argc, char **argv) { FILE *file; struct wav_header header; + unsigned int device = 0; - if (argc != 2) { - fprintf(stderr, "Usage: %s <file.wav>\n", argv[0]); + if (argc < 2) { + fprintf(stderr, "Usage: %s file.wav [-d device]\n", argv[0]); return 1; } @@ -73,6 +74,13 @@ int main(int argc, char **argv) return 1; } + /* parse command line arguments */ + argv += 2; + if (strcmp(*argv, "-d") == 0) { + argv++; + device = atoi(*argv); + } + fread(&header, sizeof(struct wav_header), 1, file); if ((header.riff_id != ID_RIFF) || @@ -85,7 +93,7 @@ int main(int argc, char **argv) return 1; } - play_sample(file, header.num_channels, header.sample_rate, + play_sample(file, device, header.num_channels, header.sample_rate, header.bits_per_sample); fclose(file); @@ -93,8 +101,8 @@ int main(int argc, char **argv) return 0; } -void play_sample(FILE *file, unsigned int channels, unsigned int rate, - unsigned int bits) +void play_sample(FILE *file, unsigned int device, unsigned int channels, + unsigned int rate, unsigned int bits) { struct pcm_config config; struct pcm *pcm; @@ -114,10 +122,10 @@ void play_sample(FILE *file, unsigned int channels, unsigned int rate, config.stop_threshold = 0; config.silence_threshold = 0; - pcm = pcm_open(0, 0, PCM_OUT, &config); + pcm = pcm_open(0, device, PCM_OUT, &config); if (!pcm || !pcm_is_ready(pcm)) { - fprintf(stderr, "Unable to open PCM device (%s)\n", - pcm_get_error(pcm)); + fprintf(stderr, "Unable to open PCM device %u (%s)\n", + device, pcm_get_error(pcm)); return; } |