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Runtime hw_info constraints support. New hw_info with lengths

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Abramo Bagnara 2000-12-07 15:58:04 +00:00
parent deb4498a12
commit eadcd7a727
1 changed files with 16 additions and 16 deletions
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32
aplay/aplay.c
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@ -75,10 +75,10 @@ static int interleaved = 1;
static int nonblock = 0; static int nonblock = 0;
static char *audiobuf = NULL; static char *audiobuf = NULL;
static int buffer_size = -1; static int buffer_size = -1;
static int frag_length = 125; static int frag_length = 125000;
static int buffer_length = 500; static int buffer_length = 500000;
static int avail_min = 50; static int avail_min = 50000;
static int xfer_min = 50; static int xfer_min = 50000;
static int verbose = 0; static int verbose = 0;
static int buffer_pos = 0; static int buffer_pos = 0;
static size_t bits_per_sample, bits_per_frame; static size_t bits_per_sample, bits_per_frame;
@ -146,10 +146,10 @@ Usage: %s [OPTION]... [FILE]...
-e, --frame-mode use frame mode instead of default fragment mode -e, --frame-mode use frame mode instead of default fragment mode
-M, --mmap mmap stream -M, --mmap mmap stream
-N, --nonblock nonblocking mode -N, --nonblock nonblocking mode
-F, --fragment-length=# fragment length is # milliseconds -F, --fragment-length=# fragment length is # microseconds
-B, --buffer-length=# buffer length is # milliseconds -B, --buffer-length=# buffer length is # microseconds
-A, --avail-min=# min available space for wakeup is # milliseconds -A, --avail-min=# min available space for wakeup is # microseconds
-X, --xfer-min=# min xfer size is # milliseconds -X, --xfer-min=# min xfer size is # microseconds
-v, --verbose show PCM structure and setup -v, --verbose show PCM structure and setup
-I, --separate-channels one file for each channel -I, --separate-channels one file for each channel
-P, --iec958p AES IEC958 professional -P, --iec958p AES IEC958 professional
@ -703,14 +703,14 @@ static void set_params(void)
info.fragments_min = 2; info.fragments_min = 2;
err = snd_pcm_strategy_simple(&strategy, 1000000, 2000000); err = snd_pcm_strategy_simple(&strategy, 1000000, 2000000);
assert(err >= 0); assert(err >= 0);
err = snd_pcm_strategy_simple_near(strategy, 0, SND_PCM_HW_PARAM_RATE, err = snd_pcm_strategy_simple_near(strategy, 0, SND_PCM_HW_INFO_RATE,
hwparams.rate, 10); hwparams.rate, 1);
assert(err >= 0); assert(err >= 0);
err = snd_pcm_strategy_simple_near(strategy, 1, SND_PCM_HW_PARAM_FRAGMENT_SIZE, err = snd_pcm_strategy_simple_near(strategy, 1, SND_PCM_HW_INFO_FRAGMENT_LENGTH,
hwparams.rate * frag_length / 1000, 1); frag_length, 1);
assert(err >= 0); assert(err >= 0);
err = snd_pcm_strategy_simple_near(strategy, 2, SND_PCM_HW_PARAM_BUFFER_SIZE, err = snd_pcm_strategy_simple_near(strategy, 2, SND_PCM_HW_INFO_BUFFER_LENGTH,
hwparams.rate * buffer_length / 1000, 1); buffer_length, 1);
assert(err >= 0); assert(err >= 0);
err = snd_pcm_hw_info_strategy(handle, &info, strategy); err = snd_pcm_hw_info_strategy(handle, &info, strategy);
snd_pcm_strategy_free(strategy); snd_pcm_strategy_free(strategy);
@ -733,8 +733,8 @@ static void set_params(void)
swparams.start_mode = SND_PCM_START_DATA; swparams.start_mode = SND_PCM_START_DATA;
swparams.ready_mode = ready_mode; swparams.ready_mode = ready_mode;
swparams.xrun_mode = xrun_mode; swparams.xrun_mode = xrun_mode;
swparams.avail_min = hwparams.rate * avail_min / 1000; swparams.avail_min = hwparams.rate * avail_min / 1000000;
swparams.xfer_min = hwparams.rate * xfer_min / 1000; swparams.xfer_min = hwparams.rate * xfer_min / 1000000;
if (xrun_mode == SND_PCM_XRUN_FRAGMENT) if (xrun_mode == SND_PCM_XRUN_FRAGMENT)
swparams.xfer_align = hwparams.fragment_size; swparams.xfer_align = hwparams.fragment_size;
else else