Also fixes QP going out of range when modified by the quant factor/offset values. --- libavcodec/vaapi_encode_h264.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/libavcodec/vaapi_encode_h264.c b/libavcodec/vaapi_encode_h264.c index 4ea62d96f3..fb55eb7779 100644 --- a/libavcodec/vaapi_encode_h264.c +++ b/libavcodec/vaapi_encode_h264.c @@ -1071,33 +1071,34 @@ static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx) priv->mb_height = FFALIGN(avctx->height, 16) / 16; if (ctx->va_rc_mode == VA_RC_CQP) { - priv->fixed_qp_p = priv->qp; + priv->fixed_qp_p = av_clip(ctx->rc_quality, 1, 51); if (avctx->i_quant_factor > 0.0) - priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor + - avctx->i_quant_offset) + 0.5); + priv->fixed_qp_idr = + av_clip((avctx->i_quant_factor * priv->fixed_qp_p + + avctx->i_quant_offset) + 0.5, 1, 51); else priv->fixed_qp_idr = priv->fixed_qp_p; if (avctx->b_quant_factor > 0.0) - priv->fixed_qp_b = (int)((priv->fixed_qp_p * avctx->b_quant_factor + - avctx->b_quant_offset) + 0.5); + priv->fixed_qp_b = + av_clip((avctx->b_quant_factor * priv->fixed_qp_p + + avctx->b_quant_offset) + 0.5, 1, 51); else priv->fixed_qp_b = priv->fixed_qp_p; - priv->sei &= ~SEI_TIMING; - av_log(avctx, AV_LOG_DEBUG, "Using fixed QP = " "%d / %d / %d for IDR- / P- / B-frames.\n", priv->fixed_qp_idr, priv->fixed_qp_p, priv->fixed_qp_b); - } else if (ctx->va_rc_mode == VA_RC_CBR || - ctx->va_rc_mode == VA_RC_VBR) { + } else { // These still need to be set for pic_init_qp/slice_qp_delta. priv->fixed_qp_idr = 26; priv->fixed_qp_p = 26; priv->fixed_qp_b = 26; + } - } else { - av_assert0(0 && "Invalid RC mode."); + if (!ctx->rc_mode->hrd) { + // Timing SEI requires a mode respecting HRD parameters. + priv->sei &= ~SEI_TIMING; } if (priv->sei & SEI_IDENTIFIER) { @@ -1147,6 +1148,8 @@ static const VAAPIEncodeType vaapi_encode_type_h264 = { FLAG_B_PICTURE_REFERENCES | FLAG_NON_IDR_KEY_PICTURES, + .default_quality = 20, + .configure = &vaapi_encode_h264_configure, .picture_priv_data_size = sizeof(VAAPIEncodeH264Picture), @@ -1226,6 +1229,9 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx) ctx->slice_block_height = ctx->slice_block_width = 16; + if (priv->qp > 0) + ctx->explicit_qp = priv->qp; + return ff_vaapi_encode_init(avctx); } @@ -1243,9 +1249,10 @@ static av_cold int vaapi_encode_h264_close(AVCodecContext *avctx) #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) static const AVOption vaapi_encode_h264_options[] = { VAAPI_ENCODE_COMMON_OPTIONS, + VAAPI_ENCODE_RC_OPTIONS, { "qp", "Constant QP (for P-frames; scaled by qfactor/qoffset for I/B)", - OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS }, + OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 52, FLAGS }, { "quality", "Set encode quality (trades off against speed, higher is faster)", OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, FLAGS }, { "coder", "Entropy coder type", -- 2.19.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel