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PulseAudio: Update the buffer attributes when the format changes.

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This commit is contained in:
David Reid
2018-11-17 18:29:39 +10:00
parent 0514012980
commit 2735ee47ce
1 changed files with 25 additions and 2 deletions
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mini_al.h
+25 -2
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@@ -1634,6 +1634,7 @@ struct mal_context
mal_proc pa_stream_get_sample_spec;
mal_proc pa_stream_get_channel_map;
mal_proc pa_stream_get_buffer_attr;
mal_proc pa_stream_set_buffer_attr;
mal_proc pa_stream_get_device_name;
mal_proc pa_stream_set_write_callback;
mal_proc pa_stream_set_read_callback;
@@ -11789,6 +11790,7 @@ typedef mal_pa_stream_state_t (* mal_pa_stream_get_state_proc)
typedef const mal_pa_sample_spec* (* mal_pa_stream_get_sample_spec_proc) (mal_pa_stream* s);
typedef const mal_pa_channel_map* (* mal_pa_stream_get_channel_map_proc) (mal_pa_stream* s);
typedef const mal_pa_buffer_attr* (* mal_pa_stream_get_buffer_attr_proc) (mal_pa_stream* s);
typedef mal_pa_operation* (* mal_pa_stream_set_buffer_attr_proc) (mal_pa_stream* s, const mal_pa_buffer_attr* attr, mal_pa_stream_success_cb_t cb, void* userdata);
typedef const char* (* mal_pa_stream_get_device_name_proc) (mal_pa_stream* s);
typedef void (* mal_pa_stream_set_write_callback_proc) (mal_pa_stream* s, mal_pa_stream_request_cb_t cb, void* userdata);
typedef void (* mal_pa_stream_set_read_callback_proc) (mal_pa_stream* s, mal_pa_stream_request_cb_t cb, void* userdata);
@@ -12611,8 +12613,11 @@ mal_result mal_device_init__pulse(mal_context* pContext, mal_device_type type, c
}
streamFlags = MAL_PA_STREAM_START_CORKED | MAL_PA_STREAM_FIX_FORMAT | MAL_PA_STREAM_FIX_RATE | MAL_PA_STREAM_FIX_CHANNELS;
streamFlags = MAL_PA_STREAM_START_CORKED;
if (dev != NULL) {
streamFlags |= MAL_PA_STREAM_DONT_MOVE | MAL_PA_STREAM_FIX_FORMAT | MAL_PA_STREAM_FIX_RATE | MAL_PA_STREAM_FIX_CHANNELS;
}
if (type == mal_device_type_playback) {
error = ((mal_pa_stream_connect_playback_proc)pContext->pulse.pa_stream_connect_playback)((mal_pa_stream*)pDevice->pulse.pStream, dev, &attr, streamFlags, NULL, NULL);
} else {
@@ -12636,6 +12641,21 @@ mal_result mal_device_init__pulse(mal_context* pContext, mal_device_type type, c
// Internal format.
pActualSS = ((mal_pa_stream_get_sample_spec_proc)pContext->pulse.pa_stream_get_sample_spec)((mal_pa_stream*)pDevice->pulse.pStream);
if (pActualSS != NULL) {
// If anything has changed between the requested and the actual sample spec, we need to update the buffer.
if (ss.format != pActualSS->format || ss.channels != pActualSS->channels || ss.rate != pActualSS->rate) {
attr.maxlength = bufferSizeInFrames * mal_get_bytes_per_sample(mal_format_from_pulse(pActualSS->format))*pActualSS->channels;
attr.tlength = attr.maxlength;
attr.prebuf = (mal_uint32)-1;
attr.minreq = attr.maxlength / pConfig->periods;
attr.fragsize = attr.maxlength / pConfig->periods;
pOP = ((mal_pa_stream_set_buffer_attr_proc)pContext->pulse.pa_stream_set_buffer_attr)((mal_pa_stream*)pDevice->pulse.pStream, &attr, NULL, NULL);
if (pOP != NULL) {
mal_device__wait_for_operation__pulse(pDevice, pOP);
((mal_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP);
}
}
ss = *pActualSS;
}
@@ -12918,6 +12938,7 @@ mal_result mal_context_init__pulse(mal_context* pContext)
pContext->pulse.pa_stream_get_sample_spec = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_get_sample_spec");
pContext->pulse.pa_stream_get_channel_map = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_get_channel_map");
pContext->pulse.pa_stream_get_buffer_attr = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_get_buffer_attr");
pContext->pulse.pa_stream_set_buffer_attr = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_set_buffer_attr");
pContext->pulse.pa_stream_get_device_name = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_get_device_name");
pContext->pulse.pa_stream_set_write_callback = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_set_write_callback");
pContext->pulse.pa_stream_set_read_callback = (mal_proc)mal_dlsym(pContext->pulse.pulseSO, "pa_stream_set_read_callback");
@@ -12960,6 +12981,7 @@ mal_result mal_context_init__pulse(mal_context* pContext)
mal_pa_stream_get_sample_spec_proc _pa_stream_get_sample_spec = pa_stream_get_sample_spec;
mal_pa_stream_get_channel_map_proc _pa_stream_get_channel_map = pa_stream_get_channel_map;
mal_pa_stream_get_buffer_attr_proc _pa_stream_get_buffer_attr = pa_stream_get_buffer_attr;
mal_pa_stream_set_buffer_attr_proc _pa_stream_set_buffer_attr = pa_stream_set_buffer_attr;
mal_pa_stream_get_device_name_proc _pa_stream_get_device_name = pa_stream_get_device_name;
mal_pa_stream_set_write_callback_proc _pa_stream_set_write_callback = pa_stream_set_write_callback;
mal_pa_stream_set_read_callback_proc _pa_stream_set_read_callback = pa_stream_set_read_callback;
@@ -13001,6 +13023,7 @@ mal_result mal_context_init__pulse(mal_context* pContext)
pContext->pulse.pa_stream_get_sample_spec = (mal_proc)_pa_stream_get_sample_spec;
pContext->pulse.pa_stream_get_channel_map = (mal_proc)_pa_stream_get_channel_map;
pContext->pulse.pa_stream_get_buffer_attr = (mal_proc)_pa_stream_get_buffer_attr;
pContext->pulse.pa_stream_set_buffer_attr = (mal_proc)_pa_stream_set_buffer_attr;
pContext->pulse.pa_stream_get_device_name = (mal_proc)_pa_stream_get_device_name;
pContext->pulse.pa_stream_set_write_callback = (mal_proc)_pa_stream_set_write_callback;
pContext->pulse.pa_stream_set_read_callback = (mal_proc)_pa_stream_set_read_callback;