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Diffstat (limited to 'libavcodec/libspeexdec.c')
-rw-r--r--libavcodec/libspeexdec.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/libavcodec/libspeexdec.c b/libavcodec/libspeexdec.c
index d00696ee39..5e149a5d5c 100644
--- a/libavcodec/libspeexdec.c
+++ b/libavcodec/libspeexdec.c
@@ -1,20 +1,20 @@
/*
* Copyright (C) 2008 David Conrad
*
- * 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
*/
@@ -43,14 +43,24 @@ static av_cold int libspeex_decode_init(AVCodecContext *avctx)
SpeexHeader *header = NULL;
int spx_mode;
- avctx->sample_fmt = AV_SAMPLE_FMT_S16;
if (avctx->extradata && avctx->extradata_size >= 80) {
header = speex_packet_to_header(avctx->extradata,
avctx->extradata_size);
if (!header)
av_log(avctx, AV_LOG_WARNING, "Invalid Speex header\n");
}
- if (header) {
+ if (avctx->codec_tag == MKTAG('S', 'P', 'X', 'N')) {
+ if (!avctx->extradata || avctx->extradata && avctx->extradata_size < 47) {
+ av_log(avctx, AV_LOG_ERROR, "Missing or invalid extradata.\n");
+ return AVERROR_INVALIDDATA;
+ }
+ if (avctx->extradata[37] != 10) {
+ av_log(avctx, AV_LOG_ERROR, "Unsupported quality mode.\n");
+ return AVERROR_PATCHWELCOME;
+ }
+ spx_mode = 0;
+ } else if (header) {
+ avctx->sample_rate = header->rate;
avctx->channels = header->nb_channels;
spx_mode = header->mode;
speex_header_free(header);
@@ -73,8 +83,9 @@ static av_cold int libspeex_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_ERROR, "Unknown Speex mode %d", spx_mode);
return AVERROR_INVALIDDATA;
}
- avctx->sample_rate = 8000 << spx_mode;
s->frame_size = 160 << spx_mode;
+ if (!avctx->sample_rate)
+ avctx->sample_rate = 8000 << spx_mode;
if (avctx->channels < 1 || avctx->channels > 2) {
/* libspeex can handle mono or stereo if initialized as stereo */
@@ -113,13 +124,12 @@ static int libspeex_decode_frame(AVCodecContext *avctx, void *data,
AVFrame *frame = data;
int16_t *output;
int ret, consumed = 0;
+ avctx->sample_fmt = AV_SAMPLE_FMT_S16;
/* get output buffer */
frame->nb_samples = s->frame_size;
- if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
- }
output = (int16_t *)frame->data[0];
/* if there is not enough data left for the smallest possible frame or the
@@ -149,6 +159,8 @@ static int libspeex_decode_frame(AVCodecContext *avctx, void *data,
*got_frame_ptr = 1;
+ if (!avctx->bit_rate)
+ speex_decoder_ctl(s->dec_state, SPEEX_GET_BITRATE, &avctx->bit_rate);
return consumed;
}