mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-31 22:25:35 -04:00
Merged pcm-v2 branch into main CVS tree.
This commit is contained in:
Jaroslav Kysela
parent
4b8fda3997
commit
600dc6ae32
22 changed files with 11135 additions and 347 deletions
175
test/pcmtest.c
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175
test/pcmtest.c
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#include <stdio.h>
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#include <string.h>
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#include "../include/asoundlib.h"
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void info_channel(snd_pcm_t *handle, char *id)
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{
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snd_pcm_channel_info_t chninfo;
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int err;
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if ((err = snd_pcm_channel_info(handle, &chninfo))<0) {
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fprintf(stderr, "channel info error: %s\n", snd_strerror(err));
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return;
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}
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printf("%s INFO:\n", id);
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printf(" subdevice : %i\n", chninfo.subdevice);
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printf(" subname : '%s'\n", chninfo.subname);
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printf(" channel : %i\n", chninfo.channel);
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printf(" mode : ");
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switch (chninfo.mode) {
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case SND_PCM_MODE_STREAM:
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printf("stream\n");
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break;
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case SND_PCM_MODE_BLOCK:
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printf("block\n");
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break;
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default:
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printf("unknown\n");
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}
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printf(" sync : 0x%x, 0x%x, 0x%x, 0x%x\n",
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chninfo.sync.id32[0],
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chninfo.sync.id32[1],
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chninfo.sync.id32[2],
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chninfo.sync.id32[3]);
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printf(" flags :");
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if (chninfo.flags & SND_PCM_CHNINFO_MMAP)
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printf(" mmap");
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if (chninfo.flags & SND_PCM_CHNINFO_STREAM)
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printf(" stream");
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if (chninfo.flags & SND_PCM_CHNINFO_BLOCK)
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printf(" block");
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if (chninfo.flags & SND_PCM_CHNINFO_BATCH)
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printf(" batch");
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if (chninfo.flags & SND_PCM_CHNINFO_INTERLEAVE)
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printf(" interleave");
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if (chninfo.flags & SND_PCM_CHNINFO_NONINTERLEAVE)
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printf(" noninterleave");
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if (chninfo.flags & SND_PCM_CHNINFO_BLOCK_TRANSFER)
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printf(" block_transfer");
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if (chninfo.flags & SND_PCM_CHNINFO_OVERRANGE)
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printf(" overrange");
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printf("\n");
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printf(" formats :");
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if (chninfo.formats & SND_PCM_FMT_MU_LAW)
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printf(" mu-Law");
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if (chninfo.formats & SND_PCM_FMT_A_LAW)
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printf(" a-Law");
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if (chninfo.formats & SND_PCM_FMT_IMA_ADPCM)
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printf(" IMA-ADPCM");
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if (chninfo.formats & SND_PCM_FMT_U8)
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printf(" U8");
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if (chninfo.formats & SND_PCM_FMT_S16_LE)
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printf(" S16-LE");
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if (chninfo.formats & SND_PCM_FMT_S16_BE)
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printf(" S16-BE");
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if (chninfo.formats & SND_PCM_FMT_S8)
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printf(" S8");
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if (chninfo.formats & SND_PCM_FMT_U16_LE)
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printf(" U16-LE");
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if (chninfo.formats & SND_PCM_FMT_U16_BE)
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printf(" U16-BE");
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if (chninfo.formats & SND_PCM_FMT_MPEG)
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printf(" MPEG");
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if (chninfo.formats & SND_PCM_FMT_GSM)
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printf(" GSM");
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if (chninfo.formats & SND_PCM_FMT_S24_LE)
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printf(" S24-LE");
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if (chninfo.formats & SND_PCM_FMT_S24_BE)
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printf(" S24-BE");
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if (chninfo.formats & SND_PCM_FMT_U24_LE)
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printf(" U24-LE");
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if (chninfo.formats & SND_PCM_FMT_U24_BE)
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printf(" U24-BE");
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if (chninfo.formats & SND_PCM_FMT_S32_LE)
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printf(" S32-LE");
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if (chninfo.formats & SND_PCM_FMT_S32_BE)
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printf(" S32-BE");
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if (chninfo.formats & SND_PCM_FMT_U32_LE)
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printf(" U32-LE");
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if (chninfo.formats & SND_PCM_FMT_U32_BE)
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printf(" U32-BE");
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if (chninfo.formats & SND_PCM_FMT_FLOAT)
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printf(" Float");
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if (chninfo.formats & SND_PCM_FMT_FLOAT64)
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printf(" Float64");
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if (chninfo.formats & SND_PCM_FMT_IEC958_SUBFRAME_LE)
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printf(" IEC958-LE");
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if (chninfo.formats & SND_PCM_FMT_IEC958_SUBFRAME_BE)
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printf(" IEC958-BE");
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if (chninfo.formats & SND_PCM_FMT_SPECIAL)
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printf(" Special");
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printf("\n");
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printf(" rates :");
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if (chninfo.rates & SND_PCM_RATE_PLL)
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printf(" PLL");
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if (chninfo.rates & SND_PCM_RATE_8000)
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printf(" 8000");
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if (chninfo.rates & SND_PCM_RATE_11025)
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printf(" 11025");
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if (chninfo.rates & SND_PCM_RATE_16000)
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printf(" 16000");
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if (chninfo.rates & SND_PCM_RATE_22050)
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printf(" 22050");
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if (chninfo.rates & SND_PCM_RATE_32000)
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printf(" 32000");
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if (chninfo.rates & SND_PCM_RATE_44100)
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printf(" 44100");
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if (chninfo.rates & SND_PCM_RATE_48000)
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printf(" 48000");
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if (chninfo.rates & SND_PCM_RATE_88200)
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printf(" 88200");
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if (chninfo.rates & SND_PCM_RATE_96000)
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printf(" 96000");
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if (chninfo.rates & SND_PCM_RATE_176400)
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printf(" 176400");
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if (chninfo.rates & SND_PCM_RATE_192000)
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printf(" 192000");
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printf("\n");
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printf(" min_rate : %i\n", chninfo.min_rate);
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printf(" max_rate : %i\n", chninfo.max_rate);
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printf(" min_voices : %i\n", chninfo.min_voices);
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printf(" max_voices : %i\n", chninfo.max_voices);
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printf(" buffer_size : %i\n", chninfo.buffer_size);
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printf(" min_frag_size : %i\n", chninfo.min_fragment_size);
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printf(" max_frag_size : %i\n", chninfo.max_fragment_size);
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printf(" fragment_align : %i\n", chninfo.fragment_align);
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printf(" fifo_size : %i\n", chninfo.fifo_size);
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printf(" TBS : %i\n", chninfo.transfer_block_size);
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printf(" mmap_size : %li\n", chninfo.mmap_size);
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printf(" mixer_device : %i\n", chninfo.mixer_device);
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printf(" mixer_eid : '%s',%i,%i\n", chninfo.mixer_eid.name, chninfo.mixer_eid.index, chninfo.mixer_eid.type);
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}
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void info(void)
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{
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snd_pcm_t *handle;
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snd_pcm_info_t info;
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int err;
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if ((err = snd_pcm_open(&handle, 0, 0, SND_PCM_OPEN_PLAYBACK))<0) {
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fprintf(stderr, "open error: %s\n", snd_strerror(err));
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return;
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}
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if ((err = snd_pcm_info(handle, &info))<0) {
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fprintf(stderr, "pcm info error: %s\n", snd_strerror(err));
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return;
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}
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printf("INFO:\n");
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printf(" type : 0x%x\n", info.type);
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printf(" flags : 0x%x\n", info.flags);
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printf(" id : '%s'\n", info.id);
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printf(" name : '%s'\n", info.name);
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printf(" playback : %i\n", info.playback);
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printf(" capture : %i\n", info.capture);
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if (info.flags & SND_PCM_INFO_PLAYBACK)
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info_channel(handle, "Playback");
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if (info.flags & SND_PCM_INFO_CAPTURE)
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info_channel(handle, "Capture");
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snd_pcm_close(handle);
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}
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int main(void )
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{
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info();
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return 0;
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}
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