X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=alsa_writer.c;h=7d7d36bfbdab04bf91ab0bc932b69c9b129d2a28;hp=7dab4585d46d221d46692409173d8046e9ab392d;hb=b829b61f516298a0de3907cd4c30aef189dd8dd4;hpb=9337bed6e84a4068e750fb6597646b45778eeba7 diff --git a/alsa_writer.c b/alsa_writer.c index 7dab4585..7d7d36bf 100644 --- a/alsa_writer.c +++ b/alsa_writer.c @@ -155,7 +155,7 @@ static int alsa_write_pre_select(struct sched *s, struct writer_node *wn) if (*wng->loaded < pad->bytes_per_frame) return 1; - if (tv_diff(&s->now, &pad->next_chunk, &diff) < 0) { + if (tv_diff(now, &pad->next_chunk, &diff) < 0) { if (tv_diff(&s->timeout, &diff, NULL) > 0) s->timeout = diff; } else { @@ -166,28 +166,29 @@ static int alsa_write_pre_select(struct sched *s, struct writer_node *wn) // PARA_INFO_LOG("timeout: %lu\n", tv2ms(&s->timeout)); } -static int alsa_write_post_select(struct sched *s, struct writer_node *wn) +static int alsa_write_post_select(__a_unused struct sched *s, + struct writer_node *wn) { struct private_alsa_data *pad = wn->private_data; struct writer_node_group *wng = wn->wng; - size_t frames = *wng->loaded / pad->bytes_per_frame; + size_t frames = (*wng->loaded - wn->written) / pad->bytes_per_frame; snd_pcm_sframes_t ret; - unsigned char *data = (unsigned char*)wng->buf; + unsigned char *data = (unsigned char*)wng->buf + wn->written; struct timeval tv; // PARA_INFO_LOG("%zd frames\n", frames); if (!frames) { if (*wng->input_eof) - ret = *wng->loaded; - return 0; + wn->written = *wng->loaded; + return 1; } - if (tv_diff(&s->now, &pad->next_chunk, NULL) < 0) - return 0; + if (tv_diff(now, &pad->next_chunk, NULL) < 0) + return 1; ret = snd_pcm_writei(pad->handle, data, frames); if (ret == -EPIPE) { PARA_WARNING_LOG("%s", "EPIPE\n"); snd_pcm_prepare(pad->handle); - return 0; + return 1; } if (ret < 0) { PARA_WARNING_LOG("%s", "ALSA ERROR\n"); @@ -195,8 +196,9 @@ static int alsa_write_post_select(struct sched *s, struct writer_node *wn) } ms2tv(pad->buffer_time / 4000, &tv); // ms2tv(1, &tv); - tv_add(&s->now, &tv, &pad->next_chunk); - return ret * pad->bytes_per_frame; + tv_add(now, &tv, &pad->next_chunk); + wn->written += ret * pad->bytes_per_frame; + return 1; } static void alsa_close(struct writer_node *wn)