From 7150123aab0f3861208a6b7278b90c29d4b83298 Mon Sep 17 00:00:00 2001 From: Zane van Iperen Date: Sat, 18 Apr 2020 00:59:25 +0000 Subject: [PATCH] avcodec/adpcm_ima_{apc, ssi, oki}: replace while() with for() Per discussion at https://ffmpeg.org/pipermail/ffmpeg-devel/2020-April/260854.html Signed-off-by: Zane van Iperen Signed-off-by: Michael Niedermayer --- libavcodec/adpcm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c index ee18875579..7d35884056 100644 --- a/libavcodec/adpcm.c +++ b/libavcodec/adpcm.c @@ -1271,14 +1271,14 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, } break; case AV_CODEC_ID_ADPCM_IMA_APC: - while (bytestream2_get_bytes_left(&gb) > 0) { + for (n = nb_samples >> (1 - st); n > 0; n--) { int v = bytestream2_get_byteu(&gb); *samples++ = adpcm_ima_expand_nibble(&c->status[0], v >> 4 , 3); *samples++ = adpcm_ima_expand_nibble(&c->status[st], v & 0x0F, 3); } break; case AV_CODEC_ID_ADPCM_IMA_SSI: - while (bytestream2_get_bytes_left(&gb) > 0) { + for (n = nb_samples >> (1 - st); n > 0; n--) { int v = bytestream2_get_byteu(&gb); *samples++ = adpcm_ima_qt_expand_nibble(&c->status[0], v >> 4 ); *samples++ = adpcm_ima_qt_expand_nibble(&c->status[st], v & 0x0F); @@ -1305,7 +1305,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data, } break; case AV_CODEC_ID_ADPCM_IMA_OKI: - while (bytestream2_get_bytes_left(&gb) > 0) { + for (n = nb_samples >> (1 - st); n > 0; n--) { int v = bytestream2_get_byteu(&gb); *samples++ = adpcm_ima_oki_expand_nibble(&c->status[0], v >> 4 ); *samples++ = adpcm_ima_oki_expand_nibble(&c->status[st], v & 0x0F);