Fixes playback of
http://samples.mplayerhq.hu/game-formats/la-san/rebelassault2/01P01.SAN
Signed-off-by: Reimar Döffinger <reimar.doeffin...@gmx.de>
---
libavcodec/sanm.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c
index 2eb7e44..ce3c868 100644
--- a/libavcodec/sanm.c
+++ b/libavcodec/sanm.c
@@ -283,6 +283,7 @@ typedef struct SANMVideoContext {
unsigned int rle_buf_size;
int rotate_code;
+ int prev_codec;
long npixels, buf_size;
@@ -1129,9 +1130,14 @@ static int process_frame_obj(SANMVideoContext *ctx)
switch (codec) {
case 1:
case 3:
+ // codec 37 operates on a separate "stream", fixes 01P01.SAN
+ if (ctx->prev_codec == 37) memcpy(ctx->frm1, ctx->frm0,
ctx->frm0_size);
+ ctx->prev_codec = codec;
return old_codec1(ctx, top, left, w, h);
break;
case 37:
+ if (ctx->prev_codec == 1) FFSWAP(uint16_t*, ctx->frm0, ctx->frm1);
+ ctx->prev_codec = codec;
return old_codec37(ctx, top, left, w, h);
break;
case 47:
--
2.7.0
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