X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;ds=sidebyside;f=mp3dec_filter.c;h=dfec0c4c133591c81c8be1cece951a0ea2a8b48f;hb=4c537cd0770d81fc3c3937010b75a67f18370d84;hp=75745044514159adf9918a0757928df91c2249b7;hpb=c87045a40b9462ebeb28cc169d7bb3721c9a81d3;p=paraslash.git diff --git a/mp3dec_filter.c b/mp3dec_filter.c index 75745044..dfec0c4c 100644 --- a/mp3dec_filter.c +++ b/mp3dec_filter.c @@ -207,23 +207,21 @@ static void mp3dec_post_select(__a_unused struct sched *s, struct task *t) int i, ret; struct private_mp3dec_data *pmd = fn->private_data; struct btr_node *btrn = fn->btrn; - size_t loaded, used, len = btr_get_input_queue_size(btrn); + size_t loaded, used, len, iqs; char *inbuffer, *outbuffer; +next_buffer: pmd->stream.error = 0; t->error = 0; - if (btr_bytes_pending(btrn) > MP3DEC_MAX_PENDING) - return; - if (need_bad_data_delay(pmd, len)) + iqs = btr_get_input_queue_size(btrn); + if (need_bad_data_delay(pmd, iqs)) return; - if (pmd->input_len_barrier != 0 && btr_no_parent(btrn)) { - ret = -E_MP3DEC_EOF; + ret = prepare_filter_node(btrn, pmd->input_len_barrier); + if (ret < 0) goto err; - } -next_buffer: - len = btr_next_buffer(btrn, &inbuffer); - if (len == 0) + if (ret == 0) return; + len = btr_next_buffer(btrn, &inbuffer); mad_stream_buffer(&pmd->stream, (unsigned char *)inbuffer, len); next_frame: ret = mad_header_decode(&pmd->frame.header, &pmd->stream); @@ -231,10 +229,12 @@ next_frame: used = used_mad_buffer_bytes(&pmd->stream, len); btr_consume(btrn, used); if (pmd->stream.error == MAD_ERROR_BUFLEN) { - pmd->input_len_barrier = len - used; - ret = btr_merge(btrn); - if (ret != 2) - return; + if (len == iqs && btr_no_parent(btrn)) { + ret = -E_MP3DEC_EOF; + goto err; + } + pmd->input_len_barrier += 100; + goto next_buffer; } else if (pmd->stream.error != MAD_ERROR_LOSTSYNC) PARA_DEBUG_LOG("header decode: %s\n", mad_stream_errorstr(&pmd->stream)); @@ -316,6 +316,25 @@ err: return ret; } +static int mp3dec_execute(struct btr_node *btrn, const char *cmd, char **result) +{ + struct filter_node *fn = btr_context(btrn); + struct private_mp3dec_data *pmd = fn->private_data; + + if (!strcmp(cmd, "samplerate")) { + if (pmd->samplerate == 0) + return -ERRNO_TO_PARA_ERROR(ENAVAIL); + *result = make_message("%u", pmd->samplerate); + return 1; + } + if (!strcmp(cmd, "channels")) { + if (pmd->channels == 0) + return -ERRNO_TO_PARA_ERROR(ENAVAIL); + *result = make_message("%u", pmd->channels); + return 1; + } + return -ERRNO_TO_PARA_ERROR(ENOTSUP); +} /** * The init function of the mp3dec filter. * @@ -334,6 +353,7 @@ void mp3dec_filter_init(struct filter *f) f->parse_config = mp3dec_parse_config; f->pre_select = mp3dec_pre_select; f->post_select = mp3dec_post_select; + f->execute = mp3dec_execute; f->help = (struct ggo_help) { .short_help = mp3dec_filter_args_info_help, .detailed_help = mp3dec_filter_args_info_detailed_help