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vaapi_h264: Write bitstream restriction fields

This commit is contained in:
Mark Thompson 2016-10-01 11:01:08 +01:00
parent 17a0f9481c
commit ec17ab381e
1 changed files with 23 additions and 2 deletions
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25
libavcodec/vaapi_encode_h264.c
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@ -84,7 +84,12 @@ typedef struct VAAPIEncodeH264MiscSequenceParams {
char vcl_hrd_parameters_present_flag;
char low_delay_hrd_flag;
char pic_struct_present_flag;
char bitstream_restriction_flag;
char motion_vectors_over_pic_boundaries_flag;
unsigned int max_bytes_per_pic_denom;
unsigned int max_bits_per_mb_denom;
unsigned int max_num_reorder_frames;
unsigned int max_dec_pic_buffering;
unsigned int cpb_cnt_minus1;
unsigned int bit_rate_scale;
@ -263,7 +268,13 @@ static void vaapi_encode_h264_write_vui(PutBitContext *pbc,
u(1, vvui_field(bitstream_restriction_flag));
if (vseq->vui_fields.bits.bitstream_restriction_flag) {
av_assert0(0 && "bitstream restrictions not supported");
u(1, mseq_var(motion_vectors_over_pic_boundaries_flag));
ue(mseq_var(max_bytes_per_pic_denom));
ue(mseq_var(max_bits_per_mb_denom));
ue(vvui_field(log2_max_mv_length_horizontal));
ue(vvui_field(log2_max_mv_length_vertical));
ue(mseq_var(max_num_reorder_frames));
ue(mseq_var(max_dec_pic_buffering));
}
}
@ -831,6 +842,16 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
mseq->matrix_coefficients = avctx->colorspace;
}
vseq->vui_fields.bits.bitstream_restriction_flag = 1;
mseq->motion_vectors_over_pic_boundaries_flag = 1;
mseq->max_bytes_per_pic_denom = 0;
mseq->max_bits_per_mb_denom = 0;
vseq->vui_fields.bits.log2_max_mv_length_horizontal = 16;
vseq->vui_fields.bits.log2_max_mv_length_vertical = 16;
mseq->max_num_reorder_frames = (avctx->max_b_frames > 0);
mseq->max_dec_pic_buffering = vseq->max_num_ref_frames;
vseq->bits_per_second = avctx->bit_rate;
vseq->vui_fields.bits.timing_info_present_flag = 1;