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fix possible segfault arm hardware, thx DboxOldie

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Origin commit data
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Branch: master
Commit: 50df0bcfac
Author: Frankenstone <dampf_acc@online.de>
Date: 2019-02-27 (Wed, 27 Feb 2019)


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This commit was generated by Migit
This commit is contained in:
Frankenstone
2019-02-27 13:46:58 +01:00
committed by max_10
parent 636984ed48
commit 17f92a96d0
2 changed files with 7 additions and 5 deletions
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10
libarmbox/audio.cpp
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@@ -97,7 +97,7 @@ int map_volume(const int volume)
int cAudio::setVolume(unsigned int left, unsigned int right)
{
hal_debug("%s(%d, %d)\n", __func__, left, right);
hal_info("cAudio::%s(%d, %d)\n", __func__, left, right);
volume = (left + right) / 2;
int v = map_volume(volume);
@@ -199,7 +199,7 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int little_endian)
unsigned int devmask, stereo, usable;
const char *dsp_dev = getenv("DSP_DEVICE");
const char *mix_dev = getenv("MIX_DEVICE");
hal_debug("%s ch %d srate %d bits %d le %d\n", __FUNCTION__, ch, srate, bits, little_endian);
hal_info("cAudio::%s ch %d srate %d bits %d le %d\n", __FUNCTION__, ch, srate, bits, little_endian);
if (clipfd > -1) {
hal_info("%s: clipfd already opened (%d)\n", __func__, clipfd);
return -1;
@@ -226,7 +226,7 @@ int cAudio::PrepareClipPlay(int ch, int srate, int bits, int little_endian)
" fall back to /dev/mixer\n", __func__, dsp_dev);
mix_dev = "/dev/mixer";
}
hal_info("%s: dsp_dev %s mix_dev %s\n", __func__, dsp_dev, mix_dev); /* NULL mix_dev is ok */
hal_info("cAudio::%s: dsp_dev %s mix_dev %s\n", __func__, dsp_dev, mix_dev); /* NULL mix_dev is ok */
/* the tdoss dsp driver seems to work only on the second open(). really. */
clipfd = open(dsp_dev, O_WRONLY);
if (clipfd < 0) {
@@ -313,7 +313,7 @@ int cAudio::WriteClip(unsigned char *buffer, int size)
int cAudio::StopClip()
{
hal_debug("%s\n", __FUNCTION__);
hal_info("cAudio::%s\n", __FUNCTION__);
if (clipfd < 0) {
hal_info("%s: clipfd not yet opened\n", __FUNCTION__);
@@ -321,7 +321,7 @@ int cAudio::StopClip()
}
close(clipfd);
clipfd = -1;
if (mixer_fd >= -1) {
if (mixer_fd > -1) {
close(mixer_fd);
mixer_fd = -1;
}