SND_AC97_SET_RATE(9) Control/Mixer API SND_AC97_SET_RATE(9)NAME
snd_ac97_set_rate - change the rate of the given input/output.
int snd_ac97_set_rate(struct snd_ac97 * ac97, int reg, unsigned int rate);
the ac97 instance
the register to change
the sample rate to set
Changes the rate of the given input/output on the codec. If the codec doesn't support VAR, the rate must be 48000 (except for SPDIF).
The valid registers are AC97_PMC_MIC_ADC_RATE, AC97_PCM_FRONT_DAC_RATE, AC97_PCM_LR_ADC_RATE. AC97_PCM_SURR_DAC_RATE and
AC97_PCM_LFE_DAC_RATE are accepted if the codec supports them. AC97_SPDIF is accepted as a pseudo register to modify the SPDIF status bits.
Zero if successful, or a negative error code on failure.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 SND_AC97_SET_RATE(9)
Check Out this Related Man Page
roar_simple_play(3) System Manager's Manual: RoarAudio roar_simple_play(3)NAME
roar_simple_play, roar_simple_monitor, roar_simple_record, roar_simple_filter - Simple playback, monetoring, recording or filtering via
int roar_simple_play(int rate, int channels, int bits, int codec, char * server, char * name);
int roar_simple_monitor(int rate, int channels, int bits, int codec, char * server, char * name);
int roar_simple_record(int rate, int channels, int bits, int codec, char * server, char * name);
int roar_simple_filter(int rate, int channels, int bits, int codec, char * server, char * name);
Open a connection to the roard(1) and creates a new stream for playback, monetoring, recording or filtering. After you are done you need
to close the connection via roar_simple_close(3). In case you just don't do anything with the stream the server will kick your connection,
or, in case of playback warns the user about underruns.
All those functions are marked obsolete and will be removed soon. Please upgrade to VS API. See roar_vs_new_simple(3).
rate The sample rate of the stream.
The nummber of channels in the stream.
bits The number of bits per sample of the stream. Commen values are 8 and 16.
codec The Codec of the data you stream to the server. This has nothing to do with codec of the file you are playing back or encoding.
Default (ROAR_CODEC_DEFAULT) is ROAR_CODEC_PCM_S_BE for signed PCM in big endian.
server The name of the server. A value of NULL (common case) is used to try default locations.
name The name of the process opening this stream to be listend in the servers meta data. Should normaly be the name of the player with-
out any path or filename being played. If NULL an internal default is used.
NOTES ON FILTER STREAMS
Filtering streams should not expected to work with diffrent audio data than the server works with. You should get the values via
roar_server_oinfo(3) before opening the stream.
On success these calls return a filehandle for the stream. On error, -1 is returned.
Examples of these calls are the tools roarcat(1), roarmon(1), roarrec(1) and roarfilt(1). Just look at there code. They aren't that com-
SEE ALSO roar_vs_new_simple(3), roarcat(1), roarmon(1), roarrec(1), roarfilt(1), roar_server_oinfo(3), roar_simple_close(3), libroar(7), RoarAu-
RoarAudio May 2011 roar_simple_play(3)
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