From 9156a5ad72e989e0fa2735741edf894fffad33b9 Mon Sep 17 00:00:00 2001 From: Kostya Shishkov Date: Sun, 27 Dec 2009 08:15:19 +0000 Subject: [PATCH] Change main loop in Interplay Video decoder, so variables x and y really mean coordinates, not offsets. Originally committed as revision 20926 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/interplayvideo.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/libavcodec/interplayvideo.c b/libavcodec/interplayvideo.c index fd5f44a5d0..b3a43bdd34 100644 --- a/libavcodec/interplayvideo.c +++ b/libavcodec/interplayvideo.c @@ -586,18 +586,19 @@ static void ipvideo_decode_opcodes(IpvideoContext *s) + s->avctx->width - 8; init_get_bits(&gb, s->decoding_map, s->decoding_map_size * 8); - for (y = 0; y < (s->stride * s->avctx->height); y += s->stride * 8) { - for (x = y; x < y + s->avctx->width; x += 8) { + for (y = 0; y < s->avctx->height; y += 8) { + for (x = 0; x < s->avctx->width; x += 8) { opcode = get_bits(&gb, 4); debug_interplay(" block @ (%3d, %3d): encoding 0x%X, data ptr @ %p\n", - x - y, y / s->stride, opcode, s->stream_ptr); + x, y, opcode, s->stream_ptr); - s->pixel_ptr = s->current_frame.data[0] + x; + s->pixel_ptr = s->current_frame.data[0] + x + + y*s->current_frame.linesize[0]; ret = ipvideo_decode_block[opcode](s); if (ret != 0) { av_log(s->avctx, AV_LOG_ERROR, " Interplay video: decode problem on frame %d, @ block (%d, %d)\n", - frame, x - y, y / s->stride); + frame, x, y); return; } }