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avcodec/cbs_av1: fix parsing delta_frame_id_minus1

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delta_frame_id_minus1 is not a single value in the bitstream, and can
store values up to 17 bits wide.

Fixes parsing files with frame ids.

Reviewed-by: Mark Thompson <sw@jkqxz.net>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2018-12-20 12:26:43 -03:00
parent 1b4c01631b
commit 064f9505f4
2 changed files with 3 additions and 3 deletions
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2
libavcodec/cbs_av1.h
View File

@ -170,7 +170,7 @@ typedef struct AV1RawFrameHeader {
uint8_t last_frame_idx;
uint8_t golden_frame_idx;
int8_t ref_frame_idx[AV1_REFS_PER_FRAME];
uint8_t delta_frame_id_minus1;
uint32_t delta_frame_id_minus1[AV1_REFS_PER_FRAME];
uint8_t allow_high_precision_mv;
uint8_t is_filter_switchable;

4
libavcodec/cbs_av1_syntax_template.c
View File

@ -1323,8 +1323,8 @@ static int FUNC(uncompressed_header)(CodedBitstreamContext *ctx, RWContext *rw,
if (!current->frame_refs_short_signaling)
fbs(3, ref_frame_idx[i], 1, i);
if (seq->frame_id_numbers_present_flag) {
fb(seq->delta_frame_id_length_minus_2 + 2,
delta_frame_id_minus1);
fbs(seq->delta_frame_id_length_minus_2 + 2,
delta_frame_id_minus1[i], 1, i);
}
}