/*
- * Copyright (C) 2005-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** The number of channels of the current stream. */
unsigned int channels;
/** Current sample rate in Hz. */
- unsigned int samplerate;
+ unsigned int sample_rate;
};
static int need_bad_data_delay(struct private_mp3dec_data *pmd,
mad_frame_finish(&pmd->frame);
mad_stream_finish(&pmd->stream);
- free(fn->buf);
- fn->buf = NULL;
free(pmd);
fn->private_data = NULL;
}
pmd->stream.error = 0;
t->error = 0;
iqs = btr_get_input_queue_size(btrn);
- if (need_bad_data_delay(pmd, iqs))
- return;
ret = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL);
if (ret < 0)
goto err;
+ if (need_bad_data_delay(pmd, iqs))
+ return;
if (ret == 0)
return;
btr_merge(btrn, fn->min_iqs);
len = btr_next_buffer(btrn, &inbuffer);
+ /*
+ * Decode at most 8K in one go to give the post_select() functions of
+ * other buffer tree nodes a chance to run. This is necessary to avoid
+ * buffer underruns on slow machines.
+ */
+ len = PARA_MIN(len, (size_t)8192);
mad_stream_buffer(&pmd->stream, (unsigned char *)inbuffer, len);
next_frame:
ret = mad_header_decode(&pmd->frame.header, &pmd->stream);
goto next_buffer;
}
fn->min_iqs = 0;
- pmd->samplerate = pmd->frame.header.samplerate;
+ pmd->sample_rate = pmd->frame.header.samplerate;
pmd->channels = MAD_NCHANNELS(&pmd->frame.header);
ret = mad_frame_decode(&pmd->frame, &pmd->stream);
if (ret != 0) {
mad_stream_init(&pmd->stream);
mad_frame_init(&pmd->frame);
mad_synth_init(&pmd->synth);
- fn->loaded = 0;
- fn->bufsize = mp3_conf->bufsize_arg * 1024;
- fn->buf = para_calloc(fn->bufsize);
if (mp3_conf->ignore_crc_given)
mad_stream_options(&pmd->stream, MAD_OPTION_IGNORECRC);
}
ret = -E_MP3DEC_SYNTAX;
if (mp3dec_cmdline_parser(argc, argv, mp3_conf))
goto err;
- ret = -ERRNO_TO_PARA_ERROR(EINVAL);
- if (mp3_conf->bufsize_arg < 32)
- goto err;
- if (mp3_conf->bufsize_arg >= INT_MAX / 1024)
- goto err;
*config = mp3_conf;
return 1;
err:
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);
+ return decoder_execute(cmd, pmd->sample_rate, pmd->channels, result);
}
static void mp3dec_free_config(void *conf)