diff options
Diffstat (limited to 'libao2/ao_null.c')
-rw-r--r-- | libao2/ao_null.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libao2/ao_null.c b/libao2/ao_null.c new file mode 100644 index 0000000000..d48667757f --- /dev/null +++ b/libao2/ao_null.c @@ -0,0 +1,73 @@ +#include <stdio.h> +#include <stdlib.h> + +#include "audio_out.h" +#include "audio_out_internal.h" + +static ao_info_t info = +{ + "Null audio output", + "null", + "A'rpi", + "" +}; + +LIBAO_EXTERN(null) + +// there are some globals: +// ao_samplerate +// ao_channels +// ao_format +// ao_bps +// ao_outburst +// ao_buffersize + +// to set/get/query special features/parameters +static int control(int cmd,int arg){ + return -1; +} + +// open & setup audio device +// return: 1=success 0=fail +static int init(int rate,int channels,int format,int flags){ + + ao_outburst=4096; + + return 0; +} + +// close audio device +static void uninit(){ + +} + +// stop playing and empty buffers (for seeking/pause) +static void reset(){ + +} + +// return: how many bytes can be played without blocking +static int get_space(){ + + return ao_outburst; +} + +// plays 'len' bytes of 'data' +// it should round it down to outburst*n +// return: number of bytes played +static int play(void* data,int len,int flags){ + + return len; +} + +// return: how many unplayed bytes are in the buffer +static int get_delay(){ + + return 0; +} + + + + + + |