diff --git a/libao2/ao_alsa1x.c b/libao2/ao_alsa1x.c index 0d55ef56c3..5ad86d7a88 100644 --- a/libao2/ao_alsa1x.c +++ b/libao2/ao_alsa1x.c @@ -69,10 +69,9 @@ static int set_block_mode; snd_pcm_t * -spdif_init(int acard, int adevice) +spdif_init(char *pcm_name) { //char *pcm_name = "hw:0,2"; /* first card second device */ - char pcm_name[255]; static snd_aes_iec958_t spdif; snd_pcm_info_t *info; snd_pcm_t *handler; @@ -81,11 +80,6 @@ spdif_init(int acard, int adevice) unsigned int rate = 48000; int err, c; - if (err = snprintf(&pcm_name[0], 11, "hw:%1d,%1d", acard, adevice) <= 0) - { - return NULL; - } - if ((err = snd_pcm_open(&handler, pcm_name, SND_PCM_STREAM_PLAYBACK, 0)) < 0) { fprintf(stderr, "open: %s\n", snd_strerror(err)); @@ -128,17 +122,17 @@ spdif_init(int acard, int adevice) sprintf(ctl_name, "hw:%d", ctl_card); printf("hw:%d\n", ctl_card); if ((err = snd_ctl_open(&ctl_handler, ctl_name, 0)) < 0) { - fprintf(stderr, "Unable to open the control interface '%s': %s", ctl_name, snd_strerror(err)); + fprintf(stderr, "Unable to open the control interface '%s': %s\n", ctl_name, snd_strerror(err)); goto __diga_end; } if ((err = snd_ctl_elem_write(ctl_handler, ctl)) < 0) { - fprintf(stderr, "Unable to update the IEC958 control: %s", snd_strerror(err)); - goto __diga_end; + fprintf(stderr, "Unable to update the IEC958 control: %s\n", snd_strerror(err)); + goto __diga_end; } snd_ctl_close(ctl_handler); __diga_end: - } + } { snd_pcm_hw_params_t *params; @@ -302,6 +296,7 @@ static int init(int rate_hz, int channels, int format, int flags) int period_val; snd_pcm_info_t *alsa_info; char *str_block_mode; + int device_set = 0; printf("alsa-init: testing and bugreports are welcome.\n"); printf("alsa-init: requested format: %d Hz, %d channels, %s\n", rate_hz, @@ -402,10 +397,22 @@ static int init(int rate_hz, int channels, int format, int flags) ao_noblock = 1; } else if (strcmp(*(token_str+i3), "hw") == 0) { - alsa_device = *(token_str+i3); + if ((i3 < i2-1) && (strcmp(*(token_str+i3+1), "noblock") != 0) && (strcmp(*(token_str+i3+1), "mmap") != 0)) { + //printf("next tok = %s\n", *(token_str+(i3+1))); + alsa_device = alloca(ALSA_DEVICE_SIZE); + snprintf(alsa_device, ALSA_DEVICE_SIZE, "hw:%s", *(token_str+(i3+1))); + device_set = 1; + } + else { + //printf("setting hw\n"); + alsa_device = *(token_str+i3); + device_set = 1; + } } - else if (!alsa_device || !ao_mmap || !ao_noblock) { + else if (device_set == 0 && (!ao_mmap || !ao_noblock)) { + //printf("setting common, %s\n", *(token_str+i3)); alsa_device = *(token_str+i3); + device_set = 1; } } } @@ -448,15 +455,28 @@ static int init(int rate_hz, int channels, int format, int flags) } snd_pcm_info_free(alsa_info); + printf("alsa-init: %d soundcard%s found, using: %s\n", cards+1, + (cards >= 0) ? "" : "s", alsa_device); + } else if (strcmp(alsa_device, "help") == 0) { + printf("alsa-help: available options are:\n"); + printf(" mmap: sets mmap-mode\n"); + printf(" noblock: sets noblock-mode\n"); + printf(" device-name: sets device name\n"); + printf(" example -ao alsa9:mmap:noblock:hw:0,3 sets noblock-mode,\n"); + printf(" mmap-mode and the device-name as first card third device\n"); + return(0); + } else { + printf("alsa-init: soundcard set to %s\n", alsa_device); } - printf("alsa-init: %d soundcard%s found, using: %s\n", cards+1, - (cards >= 0) ? "" : "s", alsa_device); - + // switch for spdif + // Try to initialize the SPDIF interface if (format == AFMT_AC3) { - // Try to initialize the SPDIF interface - alsa_handler = spdif_init(0, 2); - } + if (device_set) + alsa_handler = spdif_init(alsa_device); + else + alsa_handler = spdif_init("hw:0,2"); + } //setting modes for block or nonblock-mode if (ao_noblock) { @@ -470,9 +490,8 @@ static int init(int rate_hz, int channels, int format, int flags) str_block_mode = "block-mode"; } - - //modes = 0, SND_PCM_NONBLOCK, SND_PCM_ASYNC if (!alsa_handler) { + //modes = 0, SND_PCM_NONBLOCK, SND_PCM_ASYNC if ((err = snd_pcm_open(&alsa_handler, alsa_device, SND_PCM_STREAM_PLAYBACK, open_mode)) < 0) { if (ao_noblock) { @@ -489,182 +508,183 @@ static int init(int rate_hz, int channels, int format, int flags) return(0); } } - } - if ((err = snd_pcm_nonblock(alsa_handler, set_block_mode)) < 0) { - printf("alsa-init: error set block-mode %s\n", snd_strerror(err)); - } - else if (verbose) { - printf("alsa-init: pcm opend in %s\n", str_block_mode); - } + if ((err = snd_pcm_nonblock(alsa_handler, set_block_mode)) < 0) { + printf("alsa-init: error set block-mode %s\n", snd_strerror(err)); + } + else if (verbose) { + printf("alsa-init: pcm opend in %s\n", str_block_mode); + } + + snd_pcm_hw_params_alloca(&alsa_hwparams); + snd_pcm_sw_params_alloca(&alsa_swparams); - snd_pcm_hw_params_alloca(&alsa_hwparams); - snd_pcm_sw_params_alloca(&alsa_swparams); - - // setting hw-parameters - if ((err = snd_pcm_hw_params_any(alsa_handler, alsa_hwparams)) < 0) - { - printf("alsa-init: unable to get initial parameters: %s\n", - snd_strerror(err)); - return(0); - } + // setting hw-parameters + if ((err = snd_pcm_hw_params_any(alsa_handler, alsa_hwparams)) < 0) + { + printf("alsa-init: unable to get initial parameters: %s\n", + snd_strerror(err)); + return(0); + } - if (ao_mmap) { - snd_pcm_access_mask_t *mask = alloca(snd_pcm_access_mask_sizeof()); - snd_pcm_access_mask_none(mask); - snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED); - snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED); - snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_COMPLEX); - err = snd_pcm_hw_params_set_access_mask(alsa_handler, alsa_hwparams, mask); - printf("alsa-init: mmap set\n"); - } else { - err = snd_pcm_hw_params_set_access(alsa_handler, alsa_hwparams,SND_PCM_ACCESS_RW_INTERLEAVED); - printf("alsa-init: interleave set\n"); - } - if (err < 0) { - printf("alsa-init: unable to set access type: %s\n", snd_strerror(err)); - return (0); - } + if (ao_mmap) { + snd_pcm_access_mask_t *mask = alloca(snd_pcm_access_mask_sizeof()); + snd_pcm_access_mask_none(mask); + snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED); + snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED); + snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_COMPLEX); + err = snd_pcm_hw_params_set_access_mask(alsa_handler, alsa_hwparams, mask); + printf("alsa-init: mmap set\n"); + } else { + err = snd_pcm_hw_params_set_access(alsa_handler, alsa_hwparams,SND_PCM_ACCESS_RW_INTERLEAVED); + printf("alsa-init: interleave set\n"); + } + if (err < 0) { + printf("alsa-init: unable to set access type: %s\n", snd_strerror(err)); + return (0); + } - if ((err = snd_pcm_hw_params_set_format(alsa_handler, alsa_hwparams, - alsa_format)) < 0) - { - printf("alsa-init: unable to set format: %s\n", - snd_strerror(err)); - return(0); - } + if ((err = snd_pcm_hw_params_set_format(alsa_handler, alsa_hwparams, + alsa_format)) < 0) + { + printf("alsa-init: unable to set format: %s\n", + snd_strerror(err)); + return(0); + } - if ((err = snd_pcm_hw_params_set_channels(alsa_handler, alsa_hwparams, - ao_data.channels)) < 0) - { - printf("alsa-init: unable to set channels: %s\n", - snd_strerror(err)); - return(0); - } + if ((err = snd_pcm_hw_params_set_channels(alsa_handler, alsa_hwparams, + ao_data.channels)) < 0) + { + printf("alsa-init: unable to set channels: %s\n", + snd_strerror(err)); + return(0); + } - if ((err = snd_pcm_hw_params_set_rate_near(alsa_handler, alsa_hwparams, ao_data.samplerate, 0)) < 0) + if ((err = snd_pcm_hw_params_set_rate_near(alsa_handler, alsa_hwparams, ao_data.samplerate, 0)) < 0) { - printf("alsa-init: unable to set samplerate-2: %s\n", - snd_strerror(err)); - return(0); + printf("alsa-init: unable to set samplerate-2: %s\n", + snd_strerror(err)); + return(0); } #ifdef BUFFERTIME - { - int alsa_buffer_time = 500000; /* original 60 */ + { + int alsa_buffer_time = 500000; /* original 60 */ if ((err = snd_pcm_hw_params_set_buffer_time_near(alsa_handler, alsa_hwparams, alsa_buffer_time, 0)) < 0) - { + { printf("alsa-init: unable to set buffer time near: %s\n", - snd_strerror(err)); + snd_strerror(err)); return(0); - } else + } else alsa_buffer_time = err; if ((err = snd_pcm_hw_params_set_period_time_near(alsa_handler, alsa_hwparams, alsa_buffer_time/4, 0)) < 0) /* original: alsa_buffer_time/ao_data.bps */ - { + { printf("alsa-init: unable to set period time: %s\n", - snd_strerror(err)); + snd_strerror(err)); return(0); - } + } if (verbose) printf("alsa-init: buffer_time: %d, period_time :%d\n",alsa_buffer_time, err); - } + } #endif #ifdef SET_CHUNKSIZE - { - //set chunksize - chunk_size = alsa_fragsize / 4; - - if ((err = snd_pcm_hw_params_set_period_size(alsa_handler, alsa_hwparams, chunk_size, 0)) < 0) { - printf("alsa-init: unable to set periodsize: %s\n", snd_strerror(err)); - return(0); - } - else if (verbose) { - printf("alsa-init: chunksize set to %i\n", chunk_size); - } + //set chunksize + chunk_size = alsa_fragsize / 4; - //set period_count - if ((period_val = snd_pcm_hw_params_get_periods_max(alsa_hwparams, 0)) < alsa_fragcount) { - alsa_fragcount = period_val; + if ((err = snd_pcm_hw_params_set_period_size(alsa_handler, alsa_hwparams, chunk_size, 0)) < 0) + { + printf("alsa-init: unable to set periodsize: %s\n", snd_strerror(err)); + return(0); + } + else if (verbose) { + printf("alsa-init: chunksize set to %i\n", chunk_size); } - if (verbose) - printf("alsa-init: current val=%i, fragcount=%i\n", period_val, alsa_fragcount); + //set period_count + if ((period_val = snd_pcm_hw_params_get_periods_max(alsa_hwparams, 0)) < alsa_fragcount) { + alsa_fragcount = period_val; + } - if ((err = snd_pcm_hw_params_set_periods(alsa_handler, alsa_hwparams, alsa_fragcount, 0)) < 0) { - printf("alsa-init: unable to set periods: %s\n", snd_strerror(err)); - } - } + if (verbose) + printf("alsa-init: current val=%i, fragcount=%i\n", period_val, alsa_fragcount); + + if ((err = snd_pcm_hw_params_set_periods(alsa_handler, alsa_hwparams, alsa_fragcount, 0)) < 0) { + printf("alsa-init: unable to set periods: %s\n", snd_strerror(err)); + } + } #endif - /* finally install hardware parameters */ - if ((err = snd_pcm_hw_params(alsa_handler, alsa_hwparams)) < 0) - { - printf("alsa-init: unable to set hw-parameters: %s\n", - snd_strerror(err)); - return(0); - } - // end setting hw-params + /* finally install hardware parameters */ + if ((err = snd_pcm_hw_params(alsa_handler, alsa_hwparams)) < 0) + { + printf("alsa-init: unable to set hw-parameters: %s\n", + snd_strerror(err)); + return(0); + } + // end setting hw-params - // gets buffersize for control - if ((err = snd_pcm_hw_params_get_buffer_size(alsa_hwparams)) < 0) - { - printf("alsa-init: unable to get buffersize: %s\n", snd_strerror(err)); - return(0); - } - else { - ao_data.buffersize = err; - if (verbose) - printf("alsa-init: got buffersize=%i\n", ao_data.buffersize); - } - - // setting sw-params (only avail-min) if noblocking mode was choosed - if (ao_noblock) - { - - if ((err = snd_pcm_sw_params_current(alsa_handler, alsa_swparams)) < 0) - { - printf("alsa-init: unable to get parameters: %s\n",snd_strerror(err)); - return(0); + // gets buffersize for control + if ((err = snd_pcm_hw_params_get_buffer_size(alsa_hwparams)) < 0) + { + printf("alsa-init: unable to get buffersize: %s\n", snd_strerror(err)); + return(0); + } + else { + ao_data.buffersize = err; + if (verbose) + printf("alsa-init: got buffersize=%i\n", ao_data.buffersize); } - //set min available frames to consider pcm ready (4) - //increased for nonblock-mode should be set dynamically later - if ((err = snd_pcm_sw_params_set_avail_min(alsa_handler, alsa_swparams, chunk_size)) < 0) - { - printf("alsa-init: unable to set avail_min %s\n",snd_strerror(err)); - return(0); - } + // setting sw-params (only avail-min) if noblocking mode was choosed + if (ao_noblock) + { - if ((err = snd_pcm_sw_params(alsa_handler, alsa_swparams)) < 0) - { - printf("alsa-init: unable to install sw-params\n"); - return(0); - } + if ((err = snd_pcm_sw_params_current(alsa_handler, alsa_swparams)) < 0) + { + printf("alsa-init: unable to get parameters: %s\n",snd_strerror(err)); + return(0); + } - bits_per_sample = snd_pcm_format_physical_width(alsa_format); - bits_per_frame = bits_per_sample * channels; - chunk_bytes = chunk_size * bits_per_frame / 8; + //set min available frames to consider pcm ready (4) + //increased for nonblock-mode should be set dynamically later + if ((err = snd_pcm_sw_params_set_avail_min(alsa_handler, alsa_swparams, chunk_size)) < 0) + { + printf("alsa-init: unable to set avail_min %s\n",snd_strerror(err)); + return(0); + } - if (verbose) { - printf("alsa-init: bits per sample (bps)=%i, bits per frame (bpf)=%i, chunk_bytes=%i\n",bits_per_sample,bits_per_frame,chunk_bytes);} + if ((err = snd_pcm_sw_params(alsa_handler, alsa_swparams)) < 0) + { + printf("alsa-init: unable to install sw-params\n"); + return(0); + } - }//end swparams + bits_per_sample = snd_pcm_format_physical_width(alsa_format); + bits_per_frame = bits_per_sample * channels; + chunk_bytes = chunk_size * bits_per_frame / 8; - if ((err = snd_pcm_prepare(alsa_handler)) < 0) - { - printf("alsa-init: pcm prepare error: %s\n", snd_strerror(err)); - return(0); - } + if (verbose) { + printf("alsa-init: bits per sample (bps)=%i, bits per frame (bpf)=%i, chunk_bytes=%i\n",bits_per_sample,bits_per_frame,chunk_bytes);} - printf("alsa9: %d Hz/%d channels/%d bpf/%d bytes buffer/%s\n", - ao_data.samplerate, ao_data.channels, ao_data.bps, ao_data.buffersize, - snd_pcm_format_description(alsa_format)); + }//end swparams + + if ((err = snd_pcm_prepare(alsa_handler)) < 0) + { + printf("alsa-init: pcm prepare error: %s\n", snd_strerror(err)); + return(0); + } + + printf("alsa9: %d Hz/%d channels/%d bpf/%d bytes buffer/%s\n", + ao_data.samplerate, ao_data.channels, ao_data.bps, ao_data.buffersize, + snd_pcm_format_description(alsa_format)); + + } // end switch alsa_handler (spdif) return(1); } // end init diff --git a/libao2/ao_alsa9.c b/libao2/ao_alsa9.c index 0d55ef56c3..5ad86d7a88 100644 --- a/libao2/ao_alsa9.c +++ b/libao2/ao_alsa9.c @@ -69,10 +69,9 @@ static int set_block_mode; snd_pcm_t * -spdif_init(int acard, int adevice) +spdif_init(char *pcm_name) { //char *pcm_name = "hw:0,2"; /* first card second device */ - char pcm_name[255]; static snd_aes_iec958_t spdif; snd_pcm_info_t *info; snd_pcm_t *handler; @@ -81,11 +80,6 @@ spdif_init(int acard, int adevice) unsigned int rate = 48000; int err, c; - if (err = snprintf(&pcm_name[0], 11, "hw:%1d,%1d", acard, adevice) <= 0) - { - return NULL; - } - if ((err = snd_pcm_open(&handler, pcm_name, SND_PCM_STREAM_PLAYBACK, 0)) < 0) { fprintf(stderr, "open: %s\n", snd_strerror(err)); @@ -128,17 +122,17 @@ spdif_init(int acard, int adevice) sprintf(ctl_name, "hw:%d", ctl_card); printf("hw:%d\n", ctl_card); if ((err = snd_ctl_open(&ctl_handler, ctl_name, 0)) < 0) { - fprintf(stderr, "Unable to open the control interface '%s': %s", ctl_name, snd_strerror(err)); + fprintf(stderr, "Unable to open the control interface '%s': %s\n", ctl_name, snd_strerror(err)); goto __diga_end; } if ((err = snd_ctl_elem_write(ctl_handler, ctl)) < 0) { - fprintf(stderr, "Unable to update the IEC958 control: %s", snd_strerror(err)); - goto __diga_end; + fprintf(stderr, "Unable to update the IEC958 control: %s\n", snd_strerror(err)); + goto __diga_end; } snd_ctl_close(ctl_handler); __diga_end: - } + } { snd_pcm_hw_params_t *params; @@ -302,6 +296,7 @@ static int init(int rate_hz, int channels, int format, int flags) int period_val; snd_pcm_info_t *alsa_info; char *str_block_mode; + int device_set = 0; printf("alsa-init: testing and bugreports are welcome.\n"); printf("alsa-init: requested format: %d Hz, %d channels, %s\n", rate_hz, @@ -402,10 +397,22 @@ static int init(int rate_hz, int channels, int format, int flags) ao_noblock = 1; } else if (strcmp(*(token_str+i3), "hw") == 0) { - alsa_device = *(token_str+i3); + if ((i3 < i2-1) && (strcmp(*(token_str+i3+1), "noblock") != 0) && (strcmp(*(token_str+i3+1), "mmap") != 0)) { + //printf("next tok = %s\n", *(token_str+(i3+1))); + alsa_device = alloca(ALSA_DEVICE_SIZE); + snprintf(alsa_device, ALSA_DEVICE_SIZE, "hw:%s", *(token_str+(i3+1))); + device_set = 1; + } + else { + //printf("setting hw\n"); + alsa_device = *(token_str+i3); + device_set = 1; + } } - else if (!alsa_device || !ao_mmap || !ao_noblock) { + else if (device_set == 0 && (!ao_mmap || !ao_noblock)) { + //printf("setting common, %s\n", *(token_str+i3)); alsa_device = *(token_str+i3); + device_set = 1; } } } @@ -448,15 +455,28 @@ static int init(int rate_hz, int channels, int format, int flags) } snd_pcm_info_free(alsa_info); + printf("alsa-init: %d soundcard%s found, using: %s\n", cards+1, + (cards >= 0) ? "" : "s", alsa_device); + } else if (strcmp(alsa_device, "help") == 0) { + printf("alsa-help: available options are:\n"); + printf(" mmap: sets mmap-mode\n"); + printf(" noblock: sets noblock-mode\n"); + printf(" device-name: sets device name\n"); + printf(" example -ao alsa9:mmap:noblock:hw:0,3 sets noblock-mode,\n"); + printf(" mmap-mode and the device-name as first card third device\n"); + return(0); + } else { + printf("alsa-init: soundcard set to %s\n", alsa_device); } - printf("alsa-init: %d soundcard%s found, using: %s\n", cards+1, - (cards >= 0) ? "" : "s", alsa_device); - + // switch for spdif + // Try to initialize the SPDIF interface if (format == AFMT_AC3) { - // Try to initialize the SPDIF interface - alsa_handler = spdif_init(0, 2); - } + if (device_set) + alsa_handler = spdif_init(alsa_device); + else + alsa_handler = spdif_init("hw:0,2"); + } //setting modes for block or nonblock-mode if (ao_noblock) { @@ -470,9 +490,8 @@ static int init(int rate_hz, int channels, int format, int flags) str_block_mode = "block-mode"; } - - //modes = 0, SND_PCM_NONBLOCK, SND_PCM_ASYNC if (!alsa_handler) { + //modes = 0, SND_PCM_NONBLOCK, SND_PCM_ASYNC if ((err = snd_pcm_open(&alsa_handler, alsa_device, SND_PCM_STREAM_PLAYBACK, open_mode)) < 0) { if (ao_noblock) { @@ -489,182 +508,183 @@ static int init(int rate_hz, int channels, int format, int flags) return(0); } } - } - if ((err = snd_pcm_nonblock(alsa_handler, set_block_mode)) < 0) { - printf("alsa-init: error set block-mode %s\n", snd_strerror(err)); - } - else if (verbose) { - printf("alsa-init: pcm opend in %s\n", str_block_mode); - } + if ((err = snd_pcm_nonblock(alsa_handler, set_block_mode)) < 0) { + printf("alsa-init: error set block-mode %s\n", snd_strerror(err)); + } + else if (verbose) { + printf("alsa-init: pcm opend in %s\n", str_block_mode); + } + + snd_pcm_hw_params_alloca(&alsa_hwparams); + snd_pcm_sw_params_alloca(&alsa_swparams); - snd_pcm_hw_params_alloca(&alsa_hwparams); - snd_pcm_sw_params_alloca(&alsa_swparams); - - // setting hw-parameters - if ((err = snd_pcm_hw_params_any(alsa_handler, alsa_hwparams)) < 0) - { - printf("alsa-init: unable to get initial parameters: %s\n", - snd_strerror(err)); - return(0); - } + // setting hw-parameters + if ((err = snd_pcm_hw_params_any(alsa_handler, alsa_hwparams)) < 0) + { + printf("alsa-init: unable to get initial parameters: %s\n", + snd_strerror(err)); + return(0); + } - if (ao_mmap) { - snd_pcm_access_mask_t *mask = alloca(snd_pcm_access_mask_sizeof()); - snd_pcm_access_mask_none(mask); - snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED); - snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED); - snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_COMPLEX); - err = snd_pcm_hw_params_set_access_mask(alsa_handler, alsa_hwparams, mask); - printf("alsa-init: mmap set\n"); - } else { - err = snd_pcm_hw_params_set_access(alsa_handler, alsa_hwparams,SND_PCM_ACCESS_RW_INTERLEAVED); - printf("alsa-init: interleave set\n"); - } - if (err < 0) { - printf("alsa-init: unable to set access type: %s\n", snd_strerror(err)); - return (0); - } + if (ao_mmap) { + snd_pcm_access_mask_t *mask = alloca(snd_pcm_access_mask_sizeof()); + snd_pcm_access_mask_none(mask); + snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_INTERLEAVED); + snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_NONINTERLEAVED); + snd_pcm_access_mask_set(mask, SND_PCM_ACCESS_MMAP_COMPLEX); + err = snd_pcm_hw_params_set_access_mask(alsa_handler, alsa_hwparams, mask); + printf("alsa-init: mmap set\n"); + } else { + err = snd_pcm_hw_params_set_access(alsa_handler, alsa_hwparams,SND_PCM_ACCESS_RW_INTERLEAVED); + printf("alsa-init: interleave set\n"); + } + if (err < 0) { + printf("alsa-init: unable to set access type: %s\n", snd_strerror(err)); + return (0); + } - if ((err = snd_pcm_hw_params_set_format(alsa_handler, alsa_hwparams, - alsa_format)) < 0) - { - printf("alsa-init: unable to set format: %s\n", - snd_strerror(err)); - return(0); - } + if ((err = snd_pcm_hw_params_set_format(alsa_handler, alsa_hwparams, + alsa_format)) < 0) + { + printf("alsa-init: unable to set format: %s\n", + snd_strerror(err)); + return(0); + } - if ((err = snd_pcm_hw_params_set_channels(alsa_handler, alsa_hwparams, - ao_data.channels)) < 0) - { - printf("alsa-init: unable to set channels: %s\n", - snd_strerror(err)); - return(0); - } + if ((err = snd_pcm_hw_params_set_channels(alsa_handler, alsa_hwparams, + ao_data.channels)) < 0) + { + printf("alsa-init: unable to set channels: %s\n", + snd_strerror(err)); + return(0); + } - if ((err = snd_pcm_hw_params_set_rate_near(alsa_handler, alsa_hwparams, ao_data.samplerate, 0)) < 0) + if ((err = snd_pcm_hw_params_set_rate_near(alsa_handler, alsa_hwparams, ao_data.samplerate, 0)) < 0) { - printf("alsa-init: unable to set samplerate-2: %s\n", - snd_strerror(err)); - return(0); + printf("alsa-init: unable to set samplerate-2: %s\n", + snd_strerror(err)); + return(0); } #ifdef BUFFERTIME - { - int alsa_buffer_time = 500000; /* original 60 */ + { + int alsa_buffer_time = 500000; /* original 60 */ if ((err = snd_pcm_hw_params_set_buffer_time_near(alsa_handler, alsa_hwparams, alsa_buffer_time, 0)) < 0) - { + { printf("alsa-init: unable to set buffer time near: %s\n", - snd_strerror(err)); + snd_strerror(err)); return(0); - } else + } else alsa_buffer_time = err; if ((err = snd_pcm_hw_params_set_period_time_near(alsa_handler, alsa_hwparams, alsa_buffer_time/4, 0)) < 0) /* original: alsa_buffer_time/ao_data.bps */ - { + { printf("alsa-init: unable to set period time: %s\n", - snd_strerror(err)); + snd_strerror(err)); return(0); - } + } if (verbose) printf("alsa-init: buffer_time: %d, period_time :%d\n",alsa_buffer_time, err); - } + } #endif #ifdef SET_CHUNKSIZE - { - //set chunksize - chunk_size = alsa_fragsize / 4; - - if ((err = snd_pcm_hw_params_set_period_size(alsa_handler, alsa_hwparams, chunk_size, 0)) < 0) { - printf("alsa-init: unable to set periodsize: %s\n", snd_strerror(err)); - return(0); - } - else if (verbose) { - printf("alsa-init: chunksize set to %i\n", chunk_size); - } + //set chunksize + chunk_size = alsa_fragsize / 4; - //set period_count - if ((period_val = snd_pcm_hw_params_get_periods_max(alsa_hwparams, 0)) < alsa_fragcount) { - alsa_fragcount = period_val; + if ((err = snd_pcm_hw_params_set_period_size(alsa_handler, alsa_hwparams, chunk_size, 0)) < 0) + { + printf("alsa-init: unable to set periodsize: %s\n", snd_strerror(err)); + return(0); + } + else if (verbose) { + printf("alsa-init: chunksize set to %i\n", chunk_size); } - if (verbose) - printf("alsa-init: current val=%i, fragcount=%i\n", period_val, alsa_fragcount); + //set period_count + if ((period_val = snd_pcm_hw_params_get_periods_max(alsa_hwparams, 0)) < alsa_fragcount) { + alsa_fragcount = period_val; + } - if ((err = snd_pcm_hw_params_set_periods(alsa_handler, alsa_hwparams, alsa_fragcount, 0)) < 0) { - printf("alsa-init: unable to set periods: %s\n", snd_strerror(err)); - } - } + if (verbose) + printf("alsa-init: current val=%i, fragcount=%i\n", period_val, alsa_fragcount); + + if ((err = snd_pcm_hw_params_set_periods(alsa_handler, alsa_hwparams, alsa_fragcount, 0)) < 0) { + printf("alsa-init: unable to set periods: %s\n", snd_strerror(err)); + } + } #endif - /* finally install hardware parameters */ - if ((err = snd_pcm_hw_params(alsa_handler, alsa_hwparams)) < 0) - { - printf("alsa-init: unable to set hw-parameters: %s\n", - snd_strerror(err)); - return(0); - } - // end setting hw-params + /* finally install hardware parameters */ + if ((err = snd_pcm_hw_params(alsa_handler, alsa_hwparams)) < 0) + { + printf("alsa-init: unable to set hw-parameters: %s\n", + snd_strerror(err)); + return(0); + } + // end setting hw-params - // gets buffersize for control - if ((err = snd_pcm_hw_params_get_buffer_size(alsa_hwparams)) < 0) - { - printf("alsa-init: unable to get buffersize: %s\n", snd_strerror(err)); - return(0); - } - else { - ao_data.buffersize = err; - if (verbose) - printf("alsa-init: got buffersize=%i\n", ao_data.buffersize); - } - - // setting sw-params (only avail-min) if noblocking mode was choosed - if (ao_noblock) - { - - if ((err = snd_pcm_sw_params_current(alsa_handler, alsa_swparams)) < 0) - { - printf("alsa-init: unable to get parameters: %s\n",snd_strerror(err)); - return(0); + // gets buffersize for control + if ((err = snd_pcm_hw_params_get_buffer_size(alsa_hwparams)) < 0) + { + printf("alsa-init: unable to get buffersize: %s\n", snd_strerror(err)); + return(0); + } + else { + ao_data.buffersize = err; + if (verbose) + printf("alsa-init: got buffersize=%i\n", ao_data.buffersize); } - //set min available frames to consider pcm ready (4) - //increased for nonblock-mode should be set dynamically later - if ((err = snd_pcm_sw_params_set_avail_min(alsa_handler, alsa_swparams, chunk_size)) < 0) - { - printf("alsa-init: unable to set avail_min %s\n",snd_strerror(err)); - return(0); - } + // setting sw-params (only avail-min) if noblocking mode was choosed + if (ao_noblock) + { - if ((err = snd_pcm_sw_params(alsa_handler, alsa_swparams)) < 0) - { - printf("alsa-init: unable to install sw-params\n"); - return(0); - } + if ((err = snd_pcm_sw_params_current(alsa_handler, alsa_swparams)) < 0) + { + printf("alsa-init: unable to get parameters: %s\n",snd_strerror(err)); + return(0); + } - bits_per_sample = snd_pcm_format_physical_width(alsa_format); - bits_per_frame = bits_per_sample * channels; - chunk_bytes = chunk_size * bits_per_frame / 8; + //set min available frames to consider pcm ready (4) + //increased for nonblock-mode should be set dynamically later + if ((err = snd_pcm_sw_params_set_avail_min(alsa_handler, alsa_swparams, chunk_size)) < 0) + { + printf("alsa-init: unable to set avail_min %s\n",snd_strerror(err)); + return(0); + } - if (verbose) { - printf("alsa-init: bits per sample (bps)=%i, bits per frame (bpf)=%i, chunk_bytes=%i\n",bits_per_sample,bits_per_frame,chunk_bytes);} + if ((err = snd_pcm_sw_params(alsa_handler, alsa_swparams)) < 0) + { + printf("alsa-init: unable to install sw-params\n"); + return(0); + } - }//end swparams + bits_per_sample = snd_pcm_format_physical_width(alsa_format); + bits_per_frame = bits_per_sample * channels; + chunk_bytes = chunk_size * bits_per_frame / 8; - if ((err = snd_pcm_prepare(alsa_handler)) < 0) - { - printf("alsa-init: pcm prepare error: %s\n", snd_strerror(err)); - return(0); - } + if (verbose) { + printf("alsa-init: bits per sample (bps)=%i, bits per frame (bpf)=%i, chunk_bytes=%i\n",bits_per_sample,bits_per_frame,chunk_bytes);} - printf("alsa9: %d Hz/%d channels/%d bpf/%d bytes buffer/%s\n", - ao_data.samplerate, ao_data.channels, ao_data.bps, ao_data.buffersize, - snd_pcm_format_description(alsa_format)); + }//end swparams + + if ((err = snd_pcm_prepare(alsa_handler)) < 0) + { + printf("alsa-init: pcm prepare error: %s\n", snd_strerror(err)); + return(0); + } + + printf("alsa9: %d Hz/%d channels/%d bpf/%d bytes buffer/%s\n", + ao_data.samplerate, ao_data.channels, ao_data.bps, ao_data.buffersize, + snd_pcm_format_description(alsa_format)); + + } // end switch alsa_handler (spdif) return(1); } // end init