diff options
author | Lennart Poettering <lennart@poettering.net> | 2007-11-13 17:37:44 +0000 |
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committer | Lennart Poettering <lennart@poettering.net> | 2007-11-13 17:37:44 +0000 |
commit | d17bb53d3ebfbd7046719400264bd87830c140d8 (patch) | |
tree | 1109700c79559f391d0edfb2f9db82252f5010f4 /src/modules/alsa-util.h | |
parent | f7528825257d5d4b056268da3c82181f520a8ff6 (diff) |
Completely rework ALSA device selection code: choose the device to open depending on the requested number of channels and channel map. In most cases it will now suffice to set default-channels=6 to enable 5.1 sound for all devices that support it
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2050 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/modules/alsa-util.h')
-rw-r--r-- | src/modules/alsa-util.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/modules/alsa-util.h b/src/modules/alsa-util.h index 6f1f927e..36720b03 100644 --- a/src/modules/alsa-util.h +++ b/src/modules/alsa-util.h @@ -38,10 +38,37 @@ struct pa_alsa_fdlist *pa_alsa_fdlist_new(void); void pa_alsa_fdlist_free(struct pa_alsa_fdlist *fdl); int pa_alsa_fdlist_set_mixer(struct pa_alsa_fdlist *fdl, snd_mixer_t *mixer_handle, pa_mainloop_api* m); -int pa_alsa_set_hw_params(snd_pcm_t *pcm_handle, pa_sample_spec *ss, uint32_t *periods, snd_pcm_uframes_t *period_size, int *use_mmap); +int pa_alsa_set_hw_params( + snd_pcm_t *pcm_handle, + pa_sample_spec *ss, + uint32_t *periods, + snd_pcm_uframes_t *period_size, + pa_bool_t *use_mmap, + pa_bool_t require_exact_channel_number); + int pa_alsa_set_sw_params(snd_pcm_t *pcm); int pa_alsa_prepare_mixer(snd_mixer_t *mixer, const char *dev); snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const char *fallback); +snd_pcm_t *pa_alsa_open_by_device_id( + const char *dev_id, + char **dev, + pa_sample_spec *ss, + pa_channel_map* map, + int mode, + uint32_t *nfrags, + snd_pcm_uframes_t *period_size, + pa_bool_t *use_mmap); + +snd_pcm_t *pa_alsa_open_by_device_string( + const char *device, + char **dev, + pa_sample_spec *ss, + pa_channel_map* map, + int mode, + uint32_t *nfrags, + snd_pcm_uframes_t *period_size, + pa_bool_t *use_mmap); + #endif |