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Add the ability to vary Spice playback and record rates, to facilitate Opus support. 

Signed-off-by: Jeremy White <jwhite@codeweavers.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Jeremy White 2014-01-02 09:25:56 -06:00 committed by Gerd Hoffmann
parent 3761abb167
commit 795ca114d3
1 changed files with 25 additions and 2 deletions
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27
audio/spiceaudio.c
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@ -25,8 +25,17 @@
#include "audio.h"
#include "audio_int.h"
#define LINE_IN_SAMPLES 1024
#define LINE_OUT_SAMPLES 1024
#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
#define LINE_OUT_SAMPLES (480 * 4)
#else
#define LINE_OUT_SAMPLES (256 * 4)
#endif
#if SPICE_INTERFACE_RECORD_MAJOR > 2 || SPICE_INTERFACE_RECORD_MINOR >= 3
#define LINE_IN_SAMPLES (480 * 4)
#else
#define LINE_IN_SAMPLES (256 * 4)
#endif
typedef struct SpiceRateCtl {
int64_t start_ticks;
@ -111,7 +120,11 @@ static int line_out_init (HWVoiceOut *hw, struct audsettings *as)
SpiceVoiceOut *out = container_of (hw, SpiceVoiceOut, hw);
struct audsettings settings;
#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
settings.freq = spice_server_get_best_playback_rate(NULL);
#else
settings.freq = SPICE_INTERFACE_PLAYBACK_FREQ;
#endif
settings.nchannels = SPICE_INTERFACE_PLAYBACK_CHAN;
settings.fmt = AUD_FMT_S16;
settings.endianness = AUDIO_HOST_ENDIANNESS;
@ -122,6 +135,9 @@ static int line_out_init (HWVoiceOut *hw, struct audsettings *as)
out->sin.base.sif = &playback_sif.base;
qemu_spice_add_interface (&out->sin.base);
#if SPICE_INTERFACE_PLAYBACK_MAJOR > 1 || SPICE_INTERFACE_PLAYBACK_MINOR >= 3
spice_server_set_playback_rate(&out->sin, settings.freq);
#endif
return 0;
}
@ -232,7 +248,11 @@ static int line_in_init (HWVoiceIn *hw, struct audsettings *as)
SpiceVoiceIn *in = container_of (hw, SpiceVoiceIn, hw);
struct audsettings settings;
#if SPICE_INTERFACE_RECORD_MAJOR > 2 || SPICE_INTERFACE_RECORD_MINOR >= 3
settings.freq = spice_server_get_best_record_rate(NULL);
#else
settings.freq = SPICE_INTERFACE_RECORD_FREQ;
#endif
settings.nchannels = SPICE_INTERFACE_RECORD_CHAN;
settings.fmt = AUD_FMT_S16;
settings.endianness = AUDIO_HOST_ENDIANNESS;
@ -243,6 +263,9 @@ static int line_in_init (HWVoiceIn *hw, struct audsettings *as)
in->sin.base.sif = &record_sif.base;
qemu_spice_add_interface (&in->sin.base);
#if SPICE_INTERFACE_RECORD_MAJOR > 2 || SPICE_INTERFACE_RECORD_MINOR >= 3
spice_server_set_record_rate(&in->sin, settings.freq);
#endif
return 0;
}