Even though all samples are meant to be zero (if flag == 0x07), doesn't mean that they aren't there. See No$PSX docs [1].
[1]: https://problemkaputt.de/psx-spx.htm#spuadpcmsamples Signed-off-by: Zane van Iperen <z...@zanevaniperen.com> --- libavcodec/adpcm.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index 3da6b734cf..8c07f3673d 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1990,14 +1990,14 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, for (n = 0; n < 28; n++) { int sample = 0, scale; - if (flag < 0x07) { - if (n & 1) { - scale = sign_extend(byte >> 4, 4); - } else { - byte = bytestream2_get_byteu(&gb); - scale = sign_extend(byte, 4); - } + if (n & 1) { + scale = sign_extend(byte >> 4, 4); + } else { + byte = bytestream2_get_byteu(&gb); + scale = sign_extend(byte, 4); + } + if (flag < 0x07) { scale = scale * (1 << 12); sample = (int)((scale >> shift) + (c->status[channel].sample1 * xa_adpcm_table[filter][0] + c->status[channel].sample2 * xa_adpcm_table[filter][1]) / 64); } -- 2.29.3 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
