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-rw-r--r--src/audioOutputs/audioOutput_mvp.c256
1 files changed, 130 insertions, 126 deletions
diff --git a/src/audioOutputs/audioOutput_mvp.c b/src/audioOutputs/audioOutput_mvp.c
index 89331ec6d..e2993b9bb 100644
--- a/src/audioOutputs/audioOutput_mvp.c
+++ b/src/audioOutputs/audioOutput_mvp.c
@@ -45,7 +45,7 @@ typedef struct {
unsigned long stream_decode_type;
unsigned long sample_rate;
unsigned long bit_rate;
- unsigned long raw[64/sizeof(unsigned long)];
+ unsigned long raw[64 / sizeof(unsigned long)];
} aud_status_t;
#define MVP_SET_AUD_STOP _IOW('a',1,int)
@@ -69,58 +69,63 @@ typedef struct {
#define MVP_SET_AUD_DAC_CLK _IOW('a',27,int)
#define MVP_GET_AUD_REGS _IOW('a',28,aud_ctl_regs_t*)
-
typedef struct _MvpData {
int fd;
} MvpData;
static int pcmfrequencies[][3] = {
- {9 ,8000 ,32000},
- {10,11025,44100},
- {11,12000,48000},
- {1 ,16000,32000},
- {2 ,22050,44100},
- {3 ,24000,48000},
- {5 ,32000,32000},
- {0 ,44100,44100},
- {7 ,48000,48000},
- {13,64000,32000},
- {14,88200,44100},
- {15,96000,48000}};
-
-static int numfrequencies = sizeof(pcmfrequencies)/12;
-
-static int mvp_testDefault() {
+ {9, 8000, 32000},
+ {10, 11025, 44100},
+ {11, 12000, 48000},
+ {1, 16000, 32000},
+ {2, 22050, 44100},
+ {3, 24000, 48000},
+ {5, 32000, 32000},
+ {0, 44100, 44100},
+ {7, 48000, 48000},
+ {13, 64000, 32000},
+ {14, 88200, 44100},
+ {15, 96000, 48000}
+};
+
+static int numfrequencies = sizeof(pcmfrequencies) / 12;
+
+static int mvp_testDefault()
+{
int fd;
fd = open("/dev/adec_pcm", O_WRONLY);
- if(fd) {
+ if (fd) {
close(fd);
return 0;
}
WARNING("Error opening PCM device \"/dev/adec_pcm\": %s\n",
- strerror(errno));
+ strerror(errno));
return -1;
}
-static int mvp_initDriver(AudioOutput * audioOutput, ConfigParam * param) {
- MvpData * md = malloc(sizeof(MvpData));
- md->fd = -1;
+static int mvp_initDriver(AudioOutput * audioOutput, ConfigParam * param)
+{
+ MvpData *md = malloc(sizeof(MvpData));
+ md->fd = -1;
audioOutput->data = md;
return 0;
}
-static void mvp_finishDriver(AudioOutput * audioOutput) {
- MvpData *md = audioOutput->data;
- free(md);
+static void mvp_finishDriver(AudioOutput * audioOutput)
+{
+ MvpData *md = audioOutput->data;
+ free(md);
}
-static int mvp_setPcmParams(MvpData *md, unsigned long rate, int channels, int big_endian, int bits){
- int iloop;
+static int mvp_setPcmParams(MvpData * md, unsigned long rate, int channels,
+ int big_endian, int bits)
+{
+ int iloop;
int mix[5];
if (channels == 1)
@@ -138,7 +143,7 @@ static int mvp_setPcmParams(MvpData *md, unsigned long rate, int channels, int b
else
return -1;
- mix[3] = 0; /* stream type? */
+ mix[3] = 0; /* stream type? */
if (big_endian == 1)
mix[4] = 1;
@@ -150,135 +155,134 @@ static int mvp_setPcmParams(MvpData *md, unsigned long rate, int channels, int b
/*
* if there is an exact match for the frequency, use it.
*/
- for(iloop = 0;iloop<numfrequencies;iloop++)
- {
- if(rate == pcmfrequencies[iloop][1])
- {
+ for (iloop = 0; iloop < numfrequencies; iloop++) {
+ if (rate == pcmfrequencies[iloop][1]) {
mix[2] = pcmfrequencies[iloop][0];
break;
}
}
if (iloop >= numfrequencies) {
- ERROR("Can not find suitable output frequency for %ld\n",
- rate);
+ ERROR("Can not find suitable output frequency for %ld\n", rate);
return -1;
}
- if (ioctl(md->fd, MVP_SET_AUD_FORMAT, &mix) < 0){
- ERROR("Can not set audio format\n");
+ if (ioctl(md->fd, MVP_SET_AUD_FORMAT, &mix) < 0) {
+ ERROR("Can not set audio format\n");
return -1;
- }
-
- if (ioctl(md->fd, MVP_SET_AUD_SYNC, 2) != 0){
- ERROR("Can not set audio sync\n");
+ }
+
+ if (ioctl(md->fd, MVP_SET_AUD_SYNC, 2) != 0) {
+ ERROR("Can not set audio sync\n");
return -1;
- }
+ }
- if (ioctl(md->fd, MVP_SET_AUD_PLAY, 0) < 0){
- ERROR("Can not set audio play mode\n");
+ if (ioctl(md->fd, MVP_SET_AUD_PLAY, 0) < 0) {
+ ERROR("Can not set audio play mode\n");
return -1;
- }
+ }
return 0;
}
-
-static int mvp_openDevice(AudioOutput * audioOutput)
+static int mvp_openDevice(AudioOutput * audioOutput)
{
- int ret = -1;
- long long int stc = 0;
- MvpData * md = audioOutput->data;
- AudioFormat * audioFormat = &audioOutput->outAudioFormat;
- int mix[5] = { 0, 2, 7, 1, 0 };
-
- if ((md->fd=open("/dev/adec_pcm",
- O_RDWR|O_NONBLOCK)) < 0){
- ERROR("Error opening /dev/adec_pcm: %s\n", strerror(errno));
- return -1;
- }
- if (ioctl(md->fd, MVP_SET_AUD_SRC, 1) < 0){
- ERROR("Error setting audio source: %s\n", strerror(errno));
- return -1;
- }
- if (ioctl(md->fd, MVP_SET_AUD_STREAMTYPE, 0) < 0){
- ERROR("Error setting audio streamtype: %s\n", strerror(errno));
- return -1;
- }
- if (ioctl(md->fd, MVP_SET_AUD_FORMAT, &mix) < 0){
- ERROR("Error setting audio format: %s\n", strerror(errno));
- return -1;
- }
- ioctl(md->fd, MVP_SET_AUD_STC, &stc);
- if (ioctl(md->fd, MVP_SET_AUD_BYPASS, 1) < 0){
- ERROR("Error setting audio streamtype: %s\n", strerror(errno));
- return -1;
- }
+ int ret = -1;
+ long long int stc = 0;
+ MvpData *md = audioOutput->data;
+ AudioFormat *audioFormat = &audioOutput->outAudioFormat;
+ int mix[5] = { 0, 2, 7, 1, 0 };
+
+ if ((md->fd = open("/dev/adec_pcm", O_RDWR | O_NONBLOCK)) < 0) {
+ ERROR("Error opening /dev/adec_pcm: %s\n", strerror(errno));
+ return -1;
+ }
+ if (ioctl(md->fd, MVP_SET_AUD_SRC, 1) < 0) {
+ ERROR("Error setting audio source: %s\n", strerror(errno));
+ return -1;
+ }
+ if (ioctl(md->fd, MVP_SET_AUD_STREAMTYPE, 0) < 0) {
+ ERROR("Error setting audio streamtype: %s\n", strerror(errno));
+ return -1;
+ }
+ if (ioctl(md->fd, MVP_SET_AUD_FORMAT, &mix) < 0) {
+ ERROR("Error setting audio format: %s\n", strerror(errno));
+ return -1;
+ }
+ ioctl(md->fd, MVP_SET_AUD_STC, &stc);
+ if (ioctl(md->fd, MVP_SET_AUD_BYPASS, 1) < 0) {
+ ERROR("Error setting audio streamtype: %s\n", strerror(errno));
+ return -1;
+ }
#ifdef WORDS_BIGENDIAN
- mvp_setPcmParams(md, audioFormat->sampleRate, audioFormat->channels, 0, audioFormat->bits);
+ mvp_setPcmParams(md, audioFormat->sampleRate, audioFormat->channels, 0,
+ audioFormat->bits);
#else
- mvp_setPcmParams(md, audioFormat->sampleRate, audioFormat->channels, 1, audioFormat->bits);
+ mvp_setPcmParams(md, audioFormat->sampleRate, audioFormat->channels, 1,
+ audioFormat->bits);
#endif
- audioOutput->open = 1;
- return 0;
+ audioOutput->open = 1;
+ return 0;
}
-static void mvp_closeDevice(AudioOutput * audioOutput) {
- MvpData * md = audioOutput->data;
- if(md->fd >= 0) close(md->fd);
+static void mvp_closeDevice(AudioOutput * audioOutput)
+{
+ MvpData *md = audioOutput->data;
+ if (md->fd >= 0)
+ close(md->fd);
md->fd = -1;
- audioOutput->open = 0;
+ audioOutput->open = 0;
}
-static void mvp_dropBufferedAudio(AudioOutput * audioOutput) {
- MvpData * md = audioOutput->data;
- if(md->fd >=0){
- ioctl(md->fd, MVP_SET_AUD_RESET, 0x11);
- close(md->fd);
- md->fd = -1;
- audioOutput->open = 0;
- }
+static void mvp_dropBufferedAudio(AudioOutput * audioOutput)
+{
+ MvpData *md = audioOutput->data;
+ if (md->fd >= 0) {
+ ioctl(md->fd, MVP_SET_AUD_RESET, 0x11);
+ close(md->fd);
+ md->fd = -1;
+ audioOutput->open = 0;
+ }
}
-static int mvp_playAudio(AudioOutput * audioOutput, char * playChunk,
- int size)
+static int mvp_playAudio(AudioOutput * audioOutput, char *playChunk, int size)
{
- MvpData * md = audioOutput->data;
- int ret;
-
- /* reopen the device since it was closed by dropBufferedAudio */
- if(md->fd < 0) mvp_openDevice(audioOutput);
-
- while (size > 0) {
- ret = write(md->fd, playChunk, size);
- if(ret<0) {
- if(errno == EINTR) continue;
- ERROR("closing mvp PCM device due to write error: "
- "%s\n", strerror(errno));
- mvp_closeDevice(audioOutput);
- return -1;
- }
- playChunk += ret;
- size -= ret;
- }
- return 0;
+ MvpData *md = audioOutput->data;
+ int ret;
+
+ /* reopen the device since it was closed by dropBufferedAudio */
+ if (md->fd < 0)
+ mvp_openDevice(audioOutput);
+
+ while (size > 0) {
+ ret = write(md->fd, playChunk, size);
+ if (ret < 0) {
+ if (errno == EINTR)
+ continue;
+ ERROR("closing mvp PCM device due to write error: "
+ "%s\n", strerror(errno));
+ mvp_closeDevice(audioOutput);
+ return -1;
+ }
+ playChunk += ret;
+ size -= ret;
+ }
+ return 0;
}
-AudioOutputPlugin mvpPlugin =
-{
- "mvp",
- mvp_testDefault,
- mvp_initDriver,
- mvp_finishDriver,
- mvp_openDevice,
- mvp_playAudio,
- mvp_dropBufferedAudio,
- mvp_closeDevice,
- NULL, /* sendMetadataFunc */
+AudioOutputPlugin mvpPlugin = {
+ "mvp",
+ mvp_testDefault,
+ mvp_initDriver,
+ mvp_finishDriver,
+ mvp_openDevice,
+ mvp_playAudio,
+ mvp_dropBufferedAudio,
+ mvp_closeDevice,
+ NULL, /* sendMetadataFunc */
};
-#else /* HAVE_MVP */
+#else /* HAVE_MVP */
DISABLED_AUDIO_OUTPUT_PLUGIN(mvpPlugin)
-
-#endif /* HAVE_MVP */
+#endif /* HAVE_MVP */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 13:45:51 +0000