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vaapi_h264: Add support for SEI recovery points

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Included by default with non-IDR intra frames.
This commit is contained in:
Mark Thompson 2017-05-07 23:02:09 +01:00
parent 820a4483af
commit a49ee60d5f
1 changed files with 19 additions and 1 deletions
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20
libavcodec/vaapi_encode_h264.c
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@ -37,6 +37,7 @@
enum {
SEI_TIMING = 0x01,
SEI_IDENTIFIER = 0x02,
SEI_RECOVERY_POINT = 0x04,
};
// Random (version 4) ISO 11578 UUID.
@ -61,6 +62,7 @@ typedef struct VAAPIEncodeH264Context {
H264RawSEIBufferingPeriod buffering_period;
H264RawSEIPicTiming pic_timing;
H264RawSEIRecoveryPoint recovery_point;
H264RawSEIUserDataUnregistered identifier;
char *identifier_string;
@ -230,6 +232,11 @@ static int vaapi_encode_h264_write_extra_header(AVCodecContext *avctx,
priv->sei.payload[i].payload.pic_timing = priv->pic_timing;
++i;
}
if (opt->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
priv->sei.payload[i].payload_type = H264_SEI_TYPE_RECOVERY_POINT;
priv->sei.payload[i].payload.recovery_point = priv->recovery_point;
++i;
}
priv->sei.payload_count = i;
av_assert0(priv->sei.payload_count > 0);
@ -613,6 +620,14 @@ static int vaapi_encode_h264_init_picture_params(AVCodecContext *avctx,
priv->sei_needed = 1;
}
if (opt->sei & SEI_RECOVERY_POINT && pic->type == PICTURE_TYPE_I) {
priv->recovery_point.recovery_frame_cnt = 0;
priv->recovery_point.exact_match_flag = 1;
priv->recovery_point.broken_link_flag = ctx->b_per_p > 0;
priv->sei_needed = 1;
}
vpic->CurrPic = (VAPictureH264) {
.picture_id = pic->recon_surface,
.frame_idx = priv->frame_num,
@ -950,7 +965,7 @@ static const AVOption vaapi_encode_h264_options[] = {
{ "sei", "Set SEI to include",
OFFSET(sei), AV_OPT_TYPE_FLAGS,
{ .i64 = SEI_IDENTIFIER | SEI_TIMING },
{ .i64 = SEI_IDENTIFIER | SEI_TIMING | SEI_RECOVERY_POINT },
0, INT_MAX, FLAGS, "sei" },
{ "identifier", "Include encoder version identifier",
0, AV_OPT_TYPE_CONST, { .i64 = SEI_IDENTIFIER },
@ -958,6 +973,9 @@ static const AVOption vaapi_encode_h264_options[] = {
{ "timing", "Include timing parameters (buffering_period and pic_timing)",
0, AV_OPT_TYPE_CONST, { .i64 = SEI_TIMING },
INT_MIN, INT_MAX, FLAGS, "sei" },
{ "recovery_point", "Include recovery points where appropriate",
0, AV_OPT_TYPE_CONST, { .i64 = SEI_RECOVERY_POINT },
INT_MIN, INT_MAX, FLAGS, "sei" },
{ NULL },
};