X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=alsa_write.c;h=363e39301651bc47881f850f0235c13f6a016c62;hp=63a7055be35fab00847379be8ce3785a48312818;hb=6bded356ec89b1344049ff702e6c6babaeccd439;hpb=ca006af72cef95b0aba3cad799badde47010a621 diff --git a/alsa_write.c b/alsa_write.c index 63a7055b..363e3930 100644 --- a/alsa_write.c +++ b/alsa_write.c @@ -1,8 +1,4 @@ -/* - * Copyright (C) 2005 Andre Noll - * - * Licensed under the GPL v2. For licencing details see COPYING. - */ +/* Copyright (C) 2005 Andre Noll , see file COPYING. */ /** \file alsa_write.c paraslash's alsa output plugin */ @@ -15,17 +11,16 @@ #include #include #include +#include +#include "write_cmd.lsg.h" #include "para.h" #include "fd.h" #include "string.h" #include "list.h" #include "sched.h" -#include "ggo.h" #include "buffer_tree.h" #include "write.h" -#include "write_common.h" -#include "alsa_write.cmdline.h" #include "error.h" /** Data specific to the alsa writer. */ @@ -71,22 +66,22 @@ static snd_pcm_format_t get_alsa_pcm_format(enum sample_format sf) } /* Install PCM software and hardware configuration. */ -static int alsa_init(struct private_alsa_write_data *pad, - struct alsa_write_args_info *conf) +static int alsa_init(struct writer_node *wn) { + struct private_alsa_write_data *pad = wn->private_data; snd_pcm_hw_params_t *hwparams = NULL; snd_pcm_sw_params_t *swparams = NULL; snd_pcm_uframes_t start_threshold, stop_threshold; snd_pcm_uframes_t buffer_size, period_size; snd_output_t *output_log; int ret; - const char *msg; + const char *msg, *dev = WRITE_CMD_OPT_STRING_VAL(ALSA, DEVICE, wn->lpr); unsigned period_time; - PARA_INFO_LOG("opening %s\n", conf->device_arg); + PARA_INFO_LOG("opening %s\n", dev); msg = "unable to open pcm"; - ret = snd_pcm_open(&pad->handle, conf->device_arg, - SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK); + ret = snd_pcm_open(&pad->handle, dev, SND_PCM_STREAM_PLAYBACK, + SND_PCM_NONBLOCK); if (ret < 0) goto fail; ret = snd_pcm_hw_params_malloc(&hwparams); @@ -116,7 +111,8 @@ static int alsa_init(struct private_alsa_write_data *pad, if (ret < 0) goto fail; /* alsa wants microseconds */ - pad->buffer_time = conf->buffer_time_arg * 1000; + pad->buffer_time = 1000U * WRITE_CMD_OPT_UINT32_VAL(ALSA, BUFFER_TIME, + wn->lpr); msg = "could not set buffer time"; ret = snd_pcm_hw_params_set_buffer_time_near(pad->handle, hwparams, &pad->buffer_time, NULL); @@ -295,7 +291,7 @@ again: if (bytes == 0) /* no data available */ return 0; - pad = para_calloc(sizeof(*pad)); + pad = wn->private_data = para_calloc(sizeof(*pad)); get_btr_sample_rate(btrn, &val); pad->sample_rate = val; get_btr_channels(btrn, &val); @@ -303,14 +299,14 @@ again: get_btr_sample_format(btrn, &val); pad->sample_format = get_alsa_pcm_format(val); - PARA_INFO_LOG("%d channel(s), %dHz\n", pad->channels, + PARA_INFO_LOG("%u channel(s), %uHz\n", pad->channels, pad->sample_rate); - ret = alsa_init(pad, wn->conf); + ret = alsa_init(wn); if (ret < 0) { - free(pad); + free(wn->private_data); + wn->private_data = NULL; goto err; } - wn->private_data = pad; wn->min_iqs = pad->bytes_per_frame; goto again; } @@ -340,37 +336,9 @@ err: return ret; } -__malloc static void *alsa_parse_config_or_die(int argc, char **argv) -{ - struct alsa_write_args_info *conf = para_calloc(sizeof(*conf)); - - /* exits on errors */ - alsa_write_cmdline_parser(argc, argv, conf); - return conf; -} - -static void alsa_free_config(void *conf) -{ - alsa_write_cmdline_parser_free(conf); -} +struct writer lsg_write_cmd_com_alsa_user_data = { -/** - * The init function of the alsa writer. - * - * \param w Pointer to the writer to initialize. - * - * \sa struct \ref writer. - */ -void alsa_write_init(struct writer *w) -{ - struct alsa_write_args_info dummy; - - alsa_write_cmdline_parser_init(&dummy); - w->close = alsa_close; - w->pre_select = alsa_write_pre_select; - w->post_select = alsa_write_post_select; - w->parse_config_or_die = alsa_parse_config_or_die; - w->free_config = alsa_free_config; - w->help = (struct ggo_help)DEFINE_GGO_HELP(alsa_write); - alsa_write_cmdline_parser_free(&dummy); -} + .pre_select = alsa_write_pre_select, + .post_select = alsa_write_post_select, + .close = alsa_close, +};