/*
* Copyright (c) 2001-2003 The ffmpeg Project
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avcodec.h"
static av_cold int adpcm_decode_init(AVCodecContext * avctx)
{
ADPCMDecodeContext *c = avctx->priv_data;
+ unsigned int min_channels = 1;
unsigned int max_channels = 2;
switch(avctx->codec->id) {
+ case CODEC_ID_ADPCM_EA:
+ min_channels = 2;
+ break;
case CODEC_ID_ADPCM_EA_R1:
case CODEC_ID_ADPCM_EA_R2:
case CODEC_ID_ADPCM_EA_R3:
max_channels = 6;
break;
}
- if (avctx->channels <= 0 || avctx->channels > max_channels) {
+ if (avctx->channels < min_channels || avctx->channels > max_channels) {
av_log(avctx, AV_LOG_ERROR, "Invalid number of channels\n");
return AVERROR(EINVAL);
}
*coded_samples = 0;
+ if(ch <= 0)
+ return 0;
+
switch (avctx->codec->id) {
/* constant, only check buf_size */
case CODEC_ID_ADPCM_EA_XAS:
/* Each EA ADPCM frame has a 12-byte header followed by 30-byte pieces,
each coding 28 stereo samples. */
+ if(avctx->channels != 2)
+ return AVERROR_INVALIDDATA;
+
src += 4; // skip sample count (already read)
current_left_sample = (int16_t)bytestream_get_le16(&src);