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wasapi: If GetDeviceBuf can't get a full buffer, go back to waiting.

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Reference Issue #8924.

(cherry picked from commit f931b25f4cd6180f98590b9697d3e6ad58b63bd0)
This commit is contained in:
Ryan C. Gordon 2024-01-26 23:24:43 -05:00
parent f1b109005c
commit f6b9ebb838
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GPG key ID: FA148B892AB48044
1 changed files with 6 additions and 1 deletions
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7
src/audio/wasapi/SDL_wasapi.c
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@ -172,13 +172,18 @@ static SDL_bool RecoverWasapiIfLost(_THIS)
return lost ? RecoverWasapiDevice(this) : SDL_TRUE; return lost ? RecoverWasapiDevice(this) : SDL_TRUE;
} }
static void WASAPI_WaitDevice(_THIS);
static Uint8 *WASAPI_GetDeviceBuf(_THIS) static Uint8 *WASAPI_GetDeviceBuf(_THIS)
{ {
/* get an endpoint buffer from WASAPI. */ /* get an endpoint buffer from WASAPI. */
BYTE *buffer = NULL; BYTE *buffer = NULL;
while (RecoverWasapiIfLost(this) && this->hidden->render) { while (RecoverWasapiIfLost(this) && this->hidden->render) {
if (!WasapiFailed(this, IAudioRenderClient_GetBuffer(this->hidden->render, this->spec.samples, &buffer))) { const HRESULT ret = IAudioRenderClient_GetBuffer(this->hidden->render, this->spec.samples, &buffer);
if (ret == AUDCLNT_E_BUFFER_TOO_LARGE) {
WASAPI_WaitDevice(this); /* see if we can wait on the buffer to drain some more first... */
} else if (!WasapiFailed(this, ret)) {
return (Uint8 *)buffer; return (Uint8 *)buffer;
} }
SDL_assert(buffer == NULL); SDL_assert(buffer == NULL);