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[34.83.118.50]) by smtp.gmail.com with ESMTPSA id o125-20020a625a83000000b00560e5da42d5sm3659470pfb.201.2022.10.30.23.20.14 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 30 Oct 2022 23:20:14 -0700 (PDT) From: softworkz X-Google-Original-From: softworkz Message-Id: <4fba07d9f978cdbad394c1ab4af763bcc2a2ad71.1667197207.git.ffmpegagent@gmail.com> In-Reply-To: References: Date: Mon, 31 Oct 2022 06:20:04 +0000 Fcc: Sent MIME-Version: 1.0 To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] [PATCH v2 08/11] avfilter/overlay_vaapi: precalculate blend_state, enable pixel alpha X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: softworkz , "Xiang, Haihao" , Gyan Doshi Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: From: softworkz Signed-off-by: softworkz --- libavfilter/vf_overlay_vaapi.c | 44 ++++++++++++++++++++++++++++++++-- 1 file changed, 42 insertions(+), 2 deletions(-) diff --git a/libavfilter/vf_overlay_vaapi.c b/libavfilter/vf_overlay_vaapi.c index f4f9cc58ec..b2c254d9dd 100644 --- a/libavfilter/vf_overlay_vaapi.c +++ b/libavfilter/vf_overlay_vaapi.c @@ -36,6 +36,8 @@ typedef struct OverlayVAAPIContext { int overlay_ow; int overlay_oh; float alpha; + unsigned int blend_flags; + float blend_alpha; } OverlayVAAPIContext; static int overlay_vaapi_build_filter_params(AVFilterContext *avctx) @@ -246,8 +248,8 @@ static int overlay_vaapi_blend(FFFrameSync *fs) memcpy(&subpic_params, ¶ms, sizeof(subpic_params)); - blend_state.flags = VA_BLEND_GLOBAL_ALPHA; - blend_state.global_alpha = ctx->alpha; + blend_state.flags = ctx->blend_flags; + blend_state.global_alpha = ctx->blend_alpha; subpic_params.blend_state = &blend_state; subpic_params.surface = (VASurfaceID)(uintptr_t)input_overlay->data[3]; @@ -269,6 +271,43 @@ fail: return err; } +static int have_alpha_planar(AVFilterLink *link) +{ + enum AVPixelFormat pix_fmt = link->format; + const AVPixFmtDescriptor *desc; + AVHWFramesContext *fctx; + + if (link->format == AV_PIX_FMT_VAAPI) { + fctx = (AVHWFramesContext *)link->hw_frames_ctx->data; + pix_fmt = fctx->sw_format; + } + + desc = av_pix_fmt_desc_get(pix_fmt); + if (!desc) + return 0; + + return !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA); +} + +static int overlay_vaapi_config_input_overlay(AVFilterLink *inlink) +{ + AVFilterContext *avctx = inlink->dst; + OverlayVAAPIContext *ctx = avctx->priv; + + ctx->blend_flags = 0; + ctx->blend_alpha = 1.0f; + + if (ctx->alpha < 1.0f) { + ctx->blend_flags |= VA_BLEND_GLOBAL_ALPHA; + ctx->blend_alpha = ctx->alpha; + } + + if (have_alpha_planar(inlink)) + ctx->blend_flags |= VA_BLEND_PREMULTIPLIED_ALPHA; + + return 0; +} + static int overlay_vaapi_config_output(AVFilterLink *outlink) { AVFilterContext *avctx = outlink->src; @@ -353,6 +392,7 @@ static const AVFilterPad overlay_vaapi_inputs[] = { { .name = "overlay", .type = AVMEDIA_TYPE_VIDEO, + .config_props = overlay_vaapi_config_input_overlay, }, }; -- ffmpeg-codebot _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".