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Fix C++ build for GCC/ALSA.

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This commit is contained in:
David Reid
2016-10-18 06:47:28 +10:00
parent 91fbc1b0da
commit 6cf9ee7cb2
1 changed files with 24 additions and 24 deletions
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mini_al.h
+24 -24
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@@ -1630,18 +1630,18 @@ mal_uint32 mal_device__wait_for_frames__alsa(mal_device* pDevice)
mal_assert(pDevice != NULL); mal_assert(pDevice != NULL);
while (!pDevice->alsa.breakFromMainLoop) { while (!pDevice->alsa.breakFromMainLoop) {
snd_pcm_sframes_t framesAvailable = snd_pcm_avail(pDevice->alsa.pPCM); snd_pcm_sframes_t framesAvailable = snd_pcm_avail((snd_pcm_t*)pDevice->alsa.pPCM);
if (framesAvailable >= pDevice->fragmentSizeInFrames) { if (framesAvailable >= pDevice->fragmentSizeInFrames) {
return pDevice->fragmentSizeInFrames; return pDevice->fragmentSizeInFrames;
} }
if (framesAvailable < 0) { if (framesAvailable < 0) {
if (framesAvailable == -EPIPE) { if (framesAvailable == -EPIPE) {
if (snd_pcm_recover(pDevice->alsa.pPCM, framesAvailable, MAL_TRUE) < 0) { if (snd_pcm_recover((snd_pcm_t*)pDevice->alsa.pPCM, framesAvailable, MAL_TRUE) < 0) {
return 0; return 0;
} }
framesAvailable = snd_pcm_avail(pDevice->alsa.pPCM); framesAvailable = snd_pcm_avail((snd_pcm_t*)pDevice->alsa.pPCM);
if (framesAvailable < 0) { if (framesAvailable < 0) {
return 0; return 0;
} }
@@ -1649,15 +1649,15 @@ mal_uint32 mal_device__wait_for_frames__alsa(mal_device* pDevice)
} }
const int timeoutInMilliseconds = 20; // <-- The larger this value, the longer it'll take to stop the device! const int timeoutInMilliseconds = 20; // <-- The larger this value, the longer it'll take to stop the device!
int waitResult = snd_pcm_wait(pDevice->alsa.pPCM, timeoutInMilliseconds); int waitResult = snd_pcm_wait((snd_pcm_t*)pDevice->alsa.pPCM, timeoutInMilliseconds);
if (waitResult < 0) { if (waitResult < 0) {
snd_pcm_recover(pDevice->alsa.pPCM, waitResult, MAL_TRUE); snd_pcm_recover((snd_pcm_t*)pDevice->alsa.pPCM, waitResult, MAL_TRUE);
} }
} }
// We'll get here if the loop was terminated. Just return whatever's available, making sure it's never // We'll get here if the loop was terminated. Just return whatever's available, making sure it's never
// more than the size of a fragment. // more than the size of a fragment.
snd_pcm_sframes_t framesAvailable = snd_pcm_avail(pDevice->alsa.pPCM); snd_pcm_sframes_t framesAvailable = snd_pcm_avail((snd_pcm_t*)pDevice->alsa.pPCM);
if (framesAvailable < 0) { if (framesAvailable < 0) {
return 0; return 0;
} }
@@ -1693,7 +1693,7 @@ mal_bool32 mal_device_write__alsa(mal_device* pDevice)
snd_pcm_uframes_t mappedOffset; snd_pcm_uframes_t mappedOffset;
snd_pcm_uframes_t mappedFrames = framesAvailable; snd_pcm_uframes_t mappedFrames = framesAvailable;
while (framesAvailable > 0) { while (framesAvailable > 0) {
int result = snd_pcm_mmap_begin(pDevice->alsa.pPCM, &pAreas, &mappedOffset, &mappedFrames); int result = snd_pcm_mmap_begin((snd_pcm_t*)pDevice->alsa.pPCM, &pAreas, &mappedOffset, &mappedFrames);
if (result < 0) { if (result < 0) {
return MAL_FALSE; return MAL_FALSE;
} }
@@ -1701,9 +1701,9 @@ mal_bool32 mal_device_write__alsa(mal_device* pDevice)
void* pBuffer = (mal_uint8*)pAreas[0].addr + ((pAreas[0].first + (mappedOffset * pAreas[0].step)) / 8); void* pBuffer = (mal_uint8*)pAreas[0].addr + ((pAreas[0].first + (mappedOffset * pAreas[0].step)) / 8);
mal_device__read_samples_from_client(pDevice, mappedFrames * pDevice->channels, pBuffer); mal_device__read_samples_from_client(pDevice, mappedFrames * pDevice->channels, pBuffer);
result = snd_pcm_mmap_commit(pDevice->alsa.pPCM, mappedOffset, mappedFrames); result = snd_pcm_mmap_commit((snd_pcm_t*)pDevice->alsa.pPCM, mappedOffset, mappedFrames);
if (result < 0 || result != mappedFrames) { if (result < 0 || (snd_pcm_uframes_t)result != mappedFrames) {
snd_pcm_recover(pDevice->alsa.pPCM, result, MAL_TRUE); snd_pcm_recover((snd_pcm_t*)pDevice->alsa.pPCM, result, MAL_TRUE);
return MAL_FALSE; return MAL_FALSE;
} }
@@ -1724,17 +1724,17 @@ mal_bool32 mal_device_write__alsa(mal_device* pDevice)
mal_device__read_samples_from_client(pDevice, framesAvailable * pDevice->channels, pDevice->alsa.pIntermediaryBuffer); mal_device__read_samples_from_client(pDevice, framesAvailable * pDevice->channels, pDevice->alsa.pIntermediaryBuffer);
snd_pcm_sframes_t framesWritten = snd_pcm_writei(pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, framesAvailable); snd_pcm_sframes_t framesWritten = snd_pcm_writei((snd_pcm_t*)pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, framesAvailable);
if (framesWritten < 0) { if (framesWritten < 0) {
if (framesWritten == -EAGAIN) { if (framesWritten == -EAGAIN) {
continue; // Just keep trying... continue; // Just keep trying...
} else if (framesWritten == -EPIPE) { } else if (framesWritten == -EPIPE) {
// Underrun. Just recover and try writing again. // Underrun. Just recover and try writing again.
if (snd_pcm_recover(pDevice->alsa.pPCM, framesWritten, MAL_TRUE) < 0) { if (snd_pcm_recover((snd_pcm_t*)pDevice->alsa.pPCM, framesWritten, MAL_TRUE) < 0) {
return MAL_FALSE; return MAL_FALSE;
} }
framesWritten = snd_pcm_writei(pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, framesAvailable); framesWritten = snd_pcm_writei((snd_pcm_t*)pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, framesAvailable);
if (framesWritten < 0) { if (framesWritten < 0) {
return MAL_FALSE; return MAL_FALSE;
} }
@@ -1775,7 +1775,7 @@ mal_bool32 mal_device_read__alsa(mal_device* pDevice)
snd_pcm_uframes_t mappedOffset; snd_pcm_uframes_t mappedOffset;
snd_pcm_uframes_t mappedFrames = framesAvailable; snd_pcm_uframes_t mappedFrames = framesAvailable;
while (framesAvailable > 0) { while (framesAvailable > 0) {
int result = snd_pcm_mmap_begin(pDevice->alsa.pPCM, &pAreas, &mappedOffset, &mappedFrames); int result = snd_pcm_mmap_begin((snd_pcm_t*)pDevice->alsa.pPCM, &pAreas, &mappedOffset, &mappedFrames);
if (result < 0) { if (result < 0) {
return MAL_FALSE; return MAL_FALSE;
} }
@@ -1783,9 +1783,9 @@ mal_bool32 mal_device_read__alsa(mal_device* pDevice)
void* pBuffer = (mal_uint8*)pAreas[0].addr + ((pAreas[0].first + (mappedOffset * pAreas[0].step)) / 8); void* pBuffer = (mal_uint8*)pAreas[0].addr + ((pAreas[0].first + (mappedOffset * pAreas[0].step)) / 8);
mal_device__send_samples_to_client(pDevice, mappedFrames * pDevice->channels, pBuffer); mal_device__send_samples_to_client(pDevice, mappedFrames * pDevice->channels, pBuffer);
result = snd_pcm_mmap_commit(pDevice->alsa.pPCM, mappedOffset, mappedFrames); result = snd_pcm_mmap_commit((snd_pcm_t*)pDevice->alsa.pPCM, mappedOffset, mappedFrames);
if (result < 0 || result != mappedFrames) { if (result < 0 || (snd_pcm_uframes_t)result != mappedFrames) {
snd_pcm_recover(pDevice->alsa.pPCM, result, MAL_TRUE); snd_pcm_recover((snd_pcm_t*)pDevice->alsa.pPCM, result, MAL_TRUE);
return MAL_FALSE; return MAL_FALSE;
} }
@@ -1800,17 +1800,17 @@ mal_bool32 mal_device_read__alsa(mal_device* pDevice)
return MAL_FALSE; return MAL_FALSE;
} }
framesRead = snd_pcm_readi(pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, framesAvailable); framesRead = snd_pcm_readi((snd_pcm_t*)pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, framesAvailable);
if (framesRead < 0) { if (framesRead < 0) {
if (framesRead == -EAGAIN) { if (framesRead == -EAGAIN) {
continue; // Just keep trying... continue; // Just keep trying...
} else if (framesRead == -EPIPE) { } else if (framesRead == -EPIPE) {
// Overrun. Just recover and try reading again. // Overrun. Just recover and try reading again.
if (snd_pcm_recover(pDevice->alsa.pPCM, framesRead, MAL_TRUE) < 0) { if (snd_pcm_recover((snd_pcm_t*)pDevice->alsa.pPCM, framesRead, MAL_TRUE) < 0) {
return MAL_FALSE; return MAL_FALSE;
} }
framesRead = snd_pcm_readi(pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, pDevice->fragmentSizeInFrames); framesRead = snd_pcm_readi((snd_pcm_t*)pDevice->alsa.pPCM, pDevice->alsa.pIntermediaryBuffer, pDevice->fragmentSizeInFrames);
if (framesRead < 0) { if (framesRead < 0) {
return MAL_FALSE; return MAL_FALSE;
} }
@@ -1893,7 +1893,7 @@ void mal_device_uninit__alsa(mal_device* pDevice)
{ {
mal_assert(pDevice != NULL); mal_assert(pDevice != NULL);
if (pDevice->alsa.pPCM) { if ((snd_pcm_t*)pDevice->alsa.pPCM) {
snd_pcm_close((snd_pcm_t*)pDevice->alsa.pPCM); snd_pcm_close((snd_pcm_t*)pDevice->alsa.pPCM);
if (pDevice->alsa.pIntermediaryBuffer != NULL) { if (pDevice->alsa.pIntermediaryBuffer != NULL) {
@@ -2051,14 +2051,14 @@ static mal_result mal_device__start_backend__alsa(mal_device* pDevice)
mal_assert(pDevice != NULL); mal_assert(pDevice != NULL);
// Prepare the device first... // Prepare the device first...
snd_pcm_prepare(pDevice->alsa.pPCM); snd_pcm_prepare((snd_pcm_t*)pDevice->alsa.pPCM);
// ... and then grab an initial fragment from the client. After this is done, the device should // ... and then grab an initial fragment from the client. After this is done, the device should
// automatically start playing, since that's how we configured the software parameters. // automatically start playing, since that's how we configured the software parameters.
if (pDevice->type == mal_device_type_playback) { if (pDevice->type == mal_device_type_playback) {
mal_device_write__alsa(pDevice); mal_device_write__alsa(pDevice);
} else { } else {
snd_pcm_start(pDevice->alsa.pPCM); snd_pcm_start((snd_pcm_t*)pDevice->alsa.pPCM);
} }
return MAL_SUCCESS; return MAL_SUCCESS;
@@ -2068,7 +2068,7 @@ static mal_result mal_device__stop_backend__alsa(mal_device* pDevice)
{ {
mal_assert(pDevice != NULL); mal_assert(pDevice != NULL);
snd_pcm_drop(pDevice->alsa.pPCM); snd_pcm_drop((snd_pcm_t*)pDevice->alsa.pPCM);
return MAL_SUCCESS; return MAL_SUCCESS;
} }