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avcodec/wavpack: Move transient variable from context to stack

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-03-24 18:14:42 +01:00
parent 483c85e85e
commit d74102e325
1 changed files with 5 additions and 6 deletions
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11
libavcodec/wavpack.c
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@ -103,7 +103,6 @@ typedef struct WavpackContext {
WavpackFrameContext **fdec;
int fdec_num;
int block;
int samples;
int ch_offset;
@ -1638,14 +1637,13 @@ static int wavpack_decode_frame(AVCodecContext *avctx, AVFrame *frame,
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int frame_size, ret, frame_flags;
int new_progress = 0;
int block = 0, new_progress = 0;
av_assert1(!s->curr_progress || s->dsdctx);
if (avpkt->size <= WV_HEADER_SIZE)
return AVERROR_INVALIDDATA;
s->block = 0;
s->ch_offset = 0;
/* determine number of samples */
@ -1666,14 +1664,15 @@ static int wavpack_decode_frame(AVCodecContext *avctx, AVFrame *frame,
if (frame_size <= 0 || frame_size > buf_size) {
av_log(avctx, AV_LOG_ERROR,
"Block %d has invalid size (size %d vs. %d bytes left)\n",
s->block, frame_size, buf_size);
block, frame_size, buf_size);
ret = AVERROR_INVALIDDATA;
goto error;
}
ret = wavpack_decode_block(avctx, frame, s->block, buf, frame_size, &new_progress);
ret = wavpack_decode_block(avctx, frame, block, buf,
frame_size, &new_progress);
if (ret < 0)
goto error;
s->block++;
block++;
buf += frame_size;
buf_size -= frame_size;
}