From c24ca7b88e6388cdd5106bf612b86ba702ac9516 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 25 Apr 2012 12:05:06 +0200 Subject: [PATCH] ffv1: add 1 status byte to slices in in case crcs are stored too. This will allow storing of information about corrected and uncorrectable errors. Signed-off-by: Michael Niedermayer --- libavcodec/ffv1.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libavcodec/ffv1.c b/libavcodec/ffv1.c index 5e8fd187507..43ab3964dec 100644 --- a/libavcodec/ffv1.c +++ b/libavcodec/ffv1.c @@ -1298,7 +1298,9 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, bytes+=3; } if(f->ec){ - unsigned v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes); + unsigned v; + buf_p[bytes++] = 0; + v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes); AV_WL32(buf_p + bytes, v); bytes += 4; } buf_p += bytes; @@ -1987,7 +1989,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac buf_p= buf + buf_size; for(i=f->slice_count-1; i>=0; i--){ FFV1Context *fs= f->slice_context[i]; - int trailer = 3 + 4*!!f->ec; + int trailer = 3 + 5*!!f->ec; int v; if(i || f->ec) v = AV_RB24(buf_p-trailer)+trailer; -- 2.39.2