* Sierra VMD Audio & Video Decoders
* Copyright (C) 2004 the ffmpeg project
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
VmdAudioContext *s = avctx->priv_data;
s->avctx = avctx;
- avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+ if (avctx->bits_per_coded_sample == 16)
+ avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+ else
+ avctx->sample_fmt = AV_SAMPLE_FMT_U8;
s->out_bps = av_get_bits_per_sample_fmt(avctx->sample_fmt) >> 3;
av_log(avctx, AV_LOG_DEBUG, "%d channels, %d bits/sample, "
static int vmdaudio_loadsound(VmdAudioContext *s, unsigned char *data,
const uint8_t *buf, int silent_chunks, int data_size)
{
- int i;
int silent_size = s->avctx->block_align * silent_chunks * s->out_bps;
if (silent_chunks) {
- memset(data, 0, silent_size);
+ memset(data, s->out_bps == 2 ? 0x00 : 0x80, silent_size);
data += silent_size;
}
if (s->avctx->bits_per_coded_sample == 16)
vmdaudio_decode_audio(s, data, buf, data_size, s->avctx->channels == 2);
else {
- /* copy the data but convert it to signed */
- for (i = 0; i < data_size; i++){
- *data++ = buf[i] + 0x80;
- *data++ = buf[i] + 0x80;
- }
+ /* just copy the data */
+ memcpy(data, buf, data_size);
}
return silent_size + data_size * s->out_bps;