diff options
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/pngenc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/pngenc.c b/libavcodec/pngenc.c index 52968fbde7..a6233075c1 100644 --- a/libavcodec/pngenc.c +++ b/libavcodec/pngenc.c @@ -770,7 +770,7 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict, if (last_fctl_chunk.dispose_op == APNG_DISPOSE_OP_BACKGROUND) { for (y = last_fctl_chunk.y_offset; y < last_fctl_chunk.y_offset + last_fctl_chunk.height; ++y) { - size_t row_start = s->last_frame->linesize[0] * y + bpp * last_fctl_chunk.x_offset; + size_t row_start = diffFrame->linesize[0] * y + bpp * last_fctl_chunk.x_offset; memset(diffFrame->data[0] + row_start, 0, bpp * last_fctl_chunk.width); } } @@ -948,7 +948,7 @@ static int encode_apng(AVCodecContext *avctx, AVPacket *pkt, uint32_t y; uint8_t bpp = (s->bits_per_pixel + 7) >> 3; for (y = s->last_frame_fctl.y_offset; y < s->last_frame_fctl.y_offset + s->last_frame_fctl.height; ++y) { - size_t row_start = s->last_frame->linesize[0] * y + bpp * s->last_frame_fctl.x_offset; + size_t row_start = s->prev_frame->linesize[0] * y + bpp * s->last_frame_fctl.x_offset; memset(s->prev_frame->data[0] + row_start, 0, bpp * s->last_frame_fctl.width); } } |