diff options
| author | James Almer <jamrial@gmail.com> | 2020-04-20 17:33:55 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2020-05-03 19:53:01 -0300 |
| commit | 3a41bac4e2d0891dcfc19b73a3dfae0e70237084 (patch) | |
| tree | 14d0c00cea4b9be43381ff10a5eb2a3ae6fccaae /libavcodec/cbs_h2645.c | |
| parent | bdfc1d3cd33079b44dcb1f2ba02bfc69b811a3ca (diff) | |
avcodec/cbs_h265: move the payload_extension_present check into its own function
Will be reused in the following patch.
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/cbs_h2645.c')
| -rw-r--r-- | libavcodec/cbs_h2645.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavcodec/cbs_h2645.c b/libavcodec/cbs_h2645.c index d42073cc5a..095e449ddc 100644 --- a/libavcodec/cbs_h2645.c +++ b/libavcodec/cbs_h2645.c @@ -233,6 +233,16 @@ static int cbs_write_se_golomb(CodedBitstreamContext *ctx, PutBitContext *pbc, return 0; } +// payload_extension_present() - true if we are before the last 1-bit +// in the payload structure, which must be in the last byte. +static int cbs_h265_payload_extension_present(GetBitContext *gbc, uint32_t payload_size, + int cur_pos) +{ + int bits_left = payload_size * 8 - cur_pos; + return (bits_left > 0 && + (bits_left > 7 || show_bits(gbc, bits_left) & MAX_UINT_BITS(bits_left - 1))); +} + #define HEADER(name) do { \ ff_cbs_trace_header(ctx, name); \ } while (0) |