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output/winmm: show detailed error messages

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This commit is contained in:
Max Kellermann 2014-12-17 19:43:14 +01:00
parent 43f3cdcd24
commit 25f89afbfb
1 changed files with 18 additions and 7 deletions
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25
src/output/plugins/WinmmOutputPlugin.cxx
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@ -56,6 +56,18 @@ struct WinmmOutput {
static constexpr Domain winmm_output_domain("winmm_output");
static void
SetWaveOutError(Error &error, MMRESULT result, const char *prefix)
{
char buffer[256];
if (waveOutGetErrorTextA(result, buffer,
ARRAY_SIZE(buffer)) == MMSYSERR_NOERROR)
error.Format(winmm_output_domain, int(result),
"%s: %s", prefix, buffer);
else
error.Set(winmm_output_domain, int(result), prefix);
}
HWAVEOUT
winmm_output_get_handle(WinmmOutput &output)
{
@ -179,7 +191,7 @@ winmm_output_open(AudioOutput *ao, AudioFormat &audio_format,
(DWORD_PTR)wo->event, 0, CALLBACK_EVENT);
if (result != MMSYSERR_NOERROR) {
CloseHandle(wo->event);
error.Set(winmm_output_domain, "waveOutOpen() failed");
SetWaveOutError(error, result, "waveOutOpen() failed");
return false;
}
@ -225,8 +237,8 @@ winmm_set_buffer(WinmmOutput *wo, WinmmBuffer *buffer,
MMRESULT result = waveOutPrepareHeader(wo->handle, &buffer->hdr,
sizeof(buffer->hdr));
if (result != MMSYSERR_NOERROR) {
error.Set(winmm_output_domain, result,
"waveOutPrepareHeader() failed");
SetWaveOutError(error, result,
"waveOutPrepareHeader() failed");
return false;
}
@ -251,8 +263,8 @@ winmm_drain_buffer(WinmmOutput *wo, WinmmBuffer *buffer,
if (result == MMSYSERR_NOERROR)
return true;
else if (result != WAVERR_STILLPLAYING) {
error.Set(winmm_output_domain, result,
"waveOutUnprepareHeader() failed");
SetWaveOutError(error, result,
"waveOutUnprepareHeader() failed");
return false;
}
@ -278,8 +290,7 @@ winmm_output_play(AudioOutput *ao, const void *chunk, size_t size, Error &error)
if (result != MMSYSERR_NOERROR) {
waveOutUnprepareHeader(wo->handle, &buffer->hdr,
sizeof(buffer->hdr));
error.Set(winmm_output_domain, result,
"waveOutWrite() failed");
SetWaveOutError(error, result, "waveOutWrite() failed");
return 0;
}