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style: make the code more prescriptive

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armin-25689 2024-01-01 12:42:47 +08:00 committed by Cameron Gutman
parent 50a7454bc1
commit 810ef140cb
1 changed files with 13 additions and 13 deletions
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26
src/audio/oss.c
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@ -19,13 +19,14 @@
#ifdef __FreeBSD__ #ifdef __FreeBSD__
#include <sys/soundcard.h> #include <sys/soundcard.h>
#include <sys/ioctl.h>
#include "audio.h" #include "audio.h"
#include <opus_multistream.h> #include <opus_multistream.h>
#include <stdio.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
@ -33,7 +34,7 @@ static OpusMSDecoder* decoder;
static short* pcmBuffer; static short* pcmBuffer;
static int samplesPerFrame; static int samplesPerFrame;
static int channelCount; static int channelCount;
static int fd; static int fd = -1;
static int oss_renderer_init(int audioConfiguration, POPUS_MULTISTREAM_CONFIGURATION opusConfig, void* context, int arFlags) { static int oss_renderer_init(int audioConfiguration, POPUS_MULTISTREAM_CONFIGURATION opusConfig, void* context, int arFlags) {
int rc; int rc;
@ -47,25 +48,24 @@ static int oss_renderer_init(int audioConfiguration, POPUS_MULTISTREAM_CONFIGURA
const char* oss_name = "/dev/dsp"; const char* oss_name = "/dev/dsp";
fd = open(oss_name, O_WRONLY); fd = open(oss_name, O_WRONLY);
// buffer size for fragment ,selector 12 is 4096;11 is 2048;10 is 1024; 13is 8192
if (fd == -1) { if (fd == -1) {
close(fd); printf("Open audio device /dev/dsp failed! error %d\n", errno);
printf("Open audio device /dev/dsp faild!!!");
return -1; return -1;
} }
// buffer size for fragment ,selector 12 is 4096;11 is 2048;10 is 1024; 13is 8192
int frag = 12; int frag = 12;
if (ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &frag) == -1) if (ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &frag) == -1)
printf("Set framgment for /dev/dsp faild."); printf("Set fragment for /dev/dsp failed.");
int format = AFMT_S16_LE; int format = AFMT_S16_LE;
int channels = opusConfig->channelCount; int channels = opusConfig->channelCount;
int rate = opusConfig->sampleRate; int rate = opusConfig->sampleRate;
if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) == -1) if (ioctl(fd, SNDCTL_DSP_SETFMT, &format) == -1)
printf("Set framgment for /dev/dsp faild."); printf("Set format for /dev/dsp failed.");
if (ioctl(fd, SNDCTL_DSP_CHANNELS, &channels) == -1) if (ioctl(fd, SNDCTL_DSP_CHANNELS, &channels) == -1)
printf("Set channels for /dev/dsp faild."); printf("Set channels for /dev/dsp failed.");
if (ioctl(fd, SNDCTL_DSP_SPEED, &rate) == -1) if (ioctl(fd, SNDCTL_DSP_SPEED, &rate) == -1)
printf("Set sameple rate for /dev/dsp faild."); printf("Set sample rate for /dev/dsp failed.");
return 0; return 0;
} }
@ -81,9 +81,9 @@ static void oss_renderer_cleanup() {
pcmBuffer = NULL; pcmBuffer = NULL;
} }
if (fd != 0) { if (fd != -1) {
close(fd); close(fd);
fd = 0; fd = -1;
} }
} }
@ -91,7 +91,7 @@ static void oss_renderer_decode_and_play_sample(char* data, int length) {
int decodeLen = opus_multistream_decode(decoder, data, length, pcmBuffer, samplesPerFrame, 0); int decodeLen = opus_multistream_decode(decoder, data, length, pcmBuffer, samplesPerFrame, 0);
if (decodeLen > 0) { if (decodeLen > 0) {
write(fd, pcmBuffer, decodeLen * channelCount * sizeof(short)); write(fd, pcmBuffer, decodeLen * channelCount * sizeof(short));
} else { } else if (decodeLen < 0) {
printf("Opus error from decode: %d\n", decodeLen); printf("Opus error from decode: %d\n", decodeLen);
} }
} }