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authorMichael Niedermayer <michael@niedermayer.cc>2018-08-11 22:28:31 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2019-12-06 20:30:57 +0100
commit04acafdc7c36f18c03ff424f1db8a76fa705c112 (patch)
tree11370621d140d45cd04f6547b3427c60f33d6db7 /libavcodec
parent0e704512b5746ab135f38bb13c335f991ffdc9e2 (diff)
downloadffmpeg-04acafdc7c36f18c03ff424f1db8a76fa705c112.tar.gz
avcodec/vp56: Add vpX_rac_is_end() to check for the end of input
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 0fb83b4c91d5a0784ca81df4283f25740c263f20) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/vp56.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/libavcodec/vp56.h b/libavcodec/vp56.h
index c049399df8..456a998769 100644
--- a/libavcodec/vp56.h
+++ b/libavcodec/vp56.h
@@ -226,6 +226,14 @@ 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];