diff options
Diffstat (limited to 'src/output/mvp_plugin.c')
-rw-r--r-- | src/output/mvp_plugin.c | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/src/output/mvp_plugin.c b/src/output/mvp_plugin.c index fea7243bb..c9876b65e 100644 --- a/src/output/mvp_plugin.c +++ b/src/output/mvp_plugin.c @@ -69,12 +69,12 @@ 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 { +struct mvp_data { struct audio_format audio_format; int fd; -} MvpData; +}; -static unsigned pcmfrequencies[][3] = { +static unsigned mvp_sample_rates[][3] = { {9, 8000, 32000}, {10, 11025, 44100}, {11, 12000, 48000}, @@ -90,9 +90,10 @@ static unsigned pcmfrequencies[][3] = { }; static const unsigned numfrequencies = - sizeof(pcmfrequencies) / sizeof(pcmfrequencies[0]); + sizeof(mvp_sample_rates) / sizeof(mvp_sample_rates[0]); -static bool mvp_testDefault(void) +static bool +mvp_output_test_default_device(void) { int fd; @@ -110,23 +111,25 @@ static bool mvp_testDefault(void) } static void * -mvp_initDriver(G_GNUC_UNUSED const struct audio_format *audio_format, - G_GNUC_UNUSED const struct config_param *param) +mvp_output_init(G_GNUC_UNUSED const struct audio_format *audio_format, + G_GNUC_UNUSED const struct config_param *param) { - MvpData *md = g_new(MvpData, 1); + struct mvp_data *md = g_new(struct mvp_data, 1); md->fd = -1; return md; } -static void mvp_finishDriver(void *data) +static void +mvp_output_finish(void *data) { - MvpData *md = data; + struct mvp_data *md = data; g_free(md); } -static int mvp_setPcmParams(MvpData * md, unsigned long rate, int channels, - int big_endian, unsigned bits) +static int +mvp_set_pcm_params(struct mvp_data *md, unsigned long rate, int channels, + int big_endian, unsigned bits) { unsigned iloop; unsigned mix[5]; @@ -159,8 +162,8 @@ static int mvp_setPcmParams(MvpData * md, unsigned long rate, int channels, * if there is an exact match for the frequency, use it. */ for (iloop = 0; iloop < numfrequencies; iloop++) { - if (rate == pcmfrequencies[iloop][1]) { - mix[2] = pcmfrequencies[iloop][0]; + if (rate == mvp_sample_rates[iloop][1]) { + mix[2] = mvp_sample_rates[iloop][0]; break; } } @@ -190,9 +193,9 @@ static int mvp_setPcmParams(MvpData * md, unsigned long rate, int channels, } static bool -mvp_openDevice(void *data, struct audio_format *audioFormat) +mvp_output_open(void *data, struct audio_format *audio_format) { - MvpData *md = data; + struct mvp_data *md = data; long long int stc = 0; int mix[5] = { 0, 2, 7, 1, 0 }; @@ -222,23 +225,24 @@ mvp_openDevice(void *data, struct audio_format *audioFormat) strerror(errno)); return false; } - mvp_setPcmParams(md, audioFormat->sample_rate, audioFormat->channels, - MVP_USE_LITTLE_ENDIAN, audioFormat->bits); - md->audio_format = *audioFormat; + mvp_set_pcm_params(md, audio_format->sample_rate, + audio_format->channels, + MVP_USE_LITTLE_ENDIAN, audio_format->bits); + md->audio_format = *audio_format; return true; } -static void mvp_closeDevice(void *data) +static void mvp_output_close(void *data) { - MvpData *md = data; + struct mvp_data *md = data; if (md->fd >= 0) close(md->fd); md->fd = -1; } -static void mvp_dropBufferedAudio(void *data) +static void mvp_output_cancel(void *data) { - MvpData *md = data; + struct mvp_data *md = data; if (md->fd >= 0) { ioctl(md->fd, MVP_SET_AUD_RESET, 0x11); close(md->fd); @@ -247,14 +251,14 @@ static void mvp_dropBufferedAudio(void *data) } static size_t -mvp_playAudio(void *data, const void *chunk, size_t size) +mvp_output_play(void *data, const void *chunk, size_t size) { - MvpData *md = data; + struct mvp_data *md = data; ssize_t ret; /* reopen the device since it was closed by dropBufferedAudio */ if (md->fd < 0) - mvp_openDevice(md, &md->audio_format); + mvp_output_open(md, &md->audio_format); while (true) { ret = write(md->fd, chunk, size); @@ -271,13 +275,13 @@ mvp_playAudio(void *data, const void *chunk, size_t size) } } -const struct audio_output_plugin mvpPlugin = { +const struct audio_output_plugin mvp_output_plugin = { .name = "mvp", - .test_default_device = mvp_testDefault, - .init = mvp_initDriver, - .finish = mvp_finishDriver, - .open = mvp_openDevice, - .play = mvp_playAudio, - .cancel = mvp_dropBufferedAudio, - .close = mvp_closeDevice, + .test_default_device = mvp_output_test_default_device, + .init = mvp_output_init, + .finish = mvp_output_finish, + .open = mvp_output_open, + .close = mvp_output_close, + .play = mvp_output_play, + .cancel = mvp_output_cancel, }; |