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69 lines
2.0 KiB
69 lines
2.0 KiB
4 years ago
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/*
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* probe_wav.c - WAV probing code using wavlib.
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* (C) 2006-2010 - Francesco Romani <fromani -at- gmail -dot- com>
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*
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* This file is part of transcode, a video stream processing tool.
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*
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* transcode is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* transcode is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "transcode.h"
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#include "tcinfo.h"
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#include "ioaux.h"
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#include "tc.h"
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#include "avilib/wavlib.h"
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#include "libtc/libtc.h"
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void probe_wav(info_t *ipipe)
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{
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WAVError err = 0;
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WAV wav = NULL;
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int chans = 0;
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wav = wav_fdopen(ipipe->fd_in, WAV_READ, &err);
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if (!wav) {
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tc_log_error(__FILE__, "%s", wav_strerror(err));
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ipipe->error = 1;
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return;
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}
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chans = wav_get_channels(wav);
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ipipe->probe_info->track[0].chan = chans;
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ipipe->probe_info->track[0].samplerate = wav_get_rate(wav);
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ipipe->probe_info->track[0].bits = wav_get_bits(wav);
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ipipe->probe_info->track[0].bitrate = wav_get_bitrate(wav);
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ipipe->probe_info->track[0].format = 0x1; /* XXX */
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ipipe->probe_info->magic = TC_MAGIC_WAV;
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ipipe->probe_info->codec = TC_CODEC_PCM;
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if (ipipe->probe_info->track[0].chan > 0) {
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ipipe->probe_info->num_tracks = 1;
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}
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return;
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}
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/*************************************************************************/
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/*
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* Local variables:
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* c-file-style: "stroustrup"
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* c-file-offsets: ((case-label . *) (statement-case-intro . *))
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* indent-tabs-mode: nil
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* End:
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*
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* vim: expandtab shiftwidth=4:
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*/
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