[FFmpeg-devel] [PATCH/RFC]Read speex bitrate
Carl Eugen Hoyos
cehoyos at ag.or.at
Sat Apr 12 14:28:31 CEST 2014
Hi!
Attached patch sets the bitrate in AVCodecContext when decoding with libspeex.
I am not sure if this is always a good idea but I guess we do the same thing
for other (possibly vbr) audio codecs, or am I wrong?
Please comment, Carl Eugen
-------------- next part --------------
diff --git a/libavcodec/libspeexdec.c b/libavcodec/libspeexdec.c
index afe1176..53e06d9 100644
--- a/libavcodec/libspeexdec.c
+++ b/libavcodec/libspeexdec.c
@@ -43,7 +43,7 @@ static av_cold int libspeex_decode_init(AVCodecContext *avctx)
SpeexHeader *header = NULL;
int spx_mode;
- avctx->sample_fmt = AV_SAMPLE_FMT_S16;
+ avctx->sample_fmt = AV_SAMPLE_FMT_NONE;
if (avctx->extradata && avctx->extradata_size >= 80) {
header = speex_packet_to_header(avctx->extradata,
avctx->extradata_size);
@@ -125,6 +125,7 @@ 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;
@@ -159,6 +160,8 @@ 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;
}
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