From 3ea60c505f3f6d489d31170d1fb40b4083c5074d Mon Sep 17 00:00:00 2001 From: Ni Hui Date: Tue, 10 Nov 2015 22:03:36 +0800 Subject: avcodec/gifdec: skip the data lzw consumed this fixes the return code of avcodec_decode_video2 for gif decoding and the gif frame data buffer is skipped properly Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavcodec/gifdec.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'libavcodec/gifdec.c') diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c index 9f2e6eb3b7..20ae903a33 100644 --- a/libavcodec/gifdec.c +++ b/libavcodec/gifdec.c @@ -130,7 +130,7 @@ static void gif_copy_img_rect(const uint32_t *src, uint32_t *dst, static int gif_read_image(GifState *s, AVFrame *frame) { int left, top, width, height, bits_per_pixel, code_size, flags, pw; - int is_interleaved, has_local_palette, y, pass, y1, linesize, pal_size; + int is_interleaved, has_local_palette, y, pass, y1, linesize, pal_size, lzwed_len; uint32_t *ptr, *pal, *px, *pr, *ptr1; int ret; uint8_t *idx; @@ -293,7 +293,8 @@ static int gif_read_image(GifState *s, AVFrame *frame) decode_tail: /* read the garbage data until end marker is found */ - ff_lzw_decode_tail(s->lzw); + lzwed_len = ff_lzw_decode_tail(s->lzw); + bytestream2_skipu(&s->gb, lzwed_len); /* Graphic Control Extension's scope is single frame. * Remove its influence. */ -- cgit v1.2.3