From 0fb83b4c91d5a0784ca81df4283f25740c263f20 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 11 Aug 2018 22:28:31 +0200 Subject: [PATCH] avcodec/vp56: Add vpX_rac_is_end() to check for the end of input Signed-off-by: Michael Niedermayer --- libavcodec/vp56.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/vp56.h b/libavcodec/vp56.h index b8dda9e73a..70e1d38a83 100644 --- a/libavcodec/vp56.h +++ b/libavcodec/vp56.h @@ -227,6 +227,14 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, extern const uint8_t ff_vp56_norm_shift[256]; int ff_vp56_init_range_decoder(VP56RangeCoder *c, const uint8_t *buf, int buf_size); +/** + * vp5689 returns 1 if the end of the stream has been reached, 0 otherwise. + */ +static av_always_inline int vpX_rac_is_end(VP56RangeCoder *c) +{ + return c->end <= c->buffer && c->bits >= 0; +} + static av_always_inline unsigned int vp56_rac_renorm(VP56RangeCoder *c) { int shift = ff_vp56_norm_shift[c->high];