[FFmpeg-devel] [PATCH 5/5] libavfilter: add VAAPI surface converter
Mark Thompson
sw at jkqxz.net
Sun Jan 17 18:38:12 CET 2016
From 7d485b706f287ef2f0a58f8e08b092bc30d4c79a Mon Sep 17 00:00:00 2001
From: Mark Thompson <mrt at jkqxz.net>
Date: Sun, 17 Jan 2016 15:48:54 +0000
Subject: [PATCH 5/5] libavfilter: add VAAPI surface converter
---
configure | 1 +
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/vf_vaapi_conv.c | 453
++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 456 insertions(+)
create mode 100644 libavfilter/vf_vaapi_conv.c
diff --git a/configure b/configure
index 9da8e8b..71c0bc0 100755
--- a/configure
+++ b/configure
@@ -2913,6 +2913,7 @@ stereo3d_filter_deps="gpl"
subtitles_filter_deps="avformat avcodec libass"
super2xsai_filter_deps="gpl"
tinterlace_filter_deps="gpl"
+vaapi_conv_filter_deps="vaapi"
vidstabdetect_filter_deps="libvidstab"
vidstabtransform_filter_deps="libvidstab"
pixfmts_super2xsai_test_deps="super2xsai_filter"
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index e3e3561..9a4ca12 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -246,6 +246,7 @@ OBJS-$(CONFIG_TRANSPOSE_FILTER) +=
vf_transpose.o
OBJS-$(CONFIG_TRIM_FILTER) += trim.o
OBJS-$(CONFIG_UNSHARP_FILTER) += vf_unsharp.o
OBJS-$(CONFIG_USPP_FILTER) += vf_uspp.o
+OBJS-$(CONFIG_VAAPI) += vf_vaapi_conv.o
OBJS-$(CONFIG_VECTORSCOPE_FILTER) += vf_vectorscope.o
OBJS-$(CONFIG_VFLIP_FILTER) += vf_vflip.o
OBJS-$(CONFIG_VIDSTABDETECT_FILTER) += vidstabutils.o
vf_vidstabdetect.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 1faf393..cfbfdca 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -266,6 +266,7 @@ void avfilter_register_all(void)
REGISTER_FILTER(TRIM, trim, vf);
REGISTER_FILTER(UNSHARP, unsharp, vf);
REGISTER_FILTER(USPP, uspp, vf);
+ REGISTER_FILTER(VAAPI_CONV, vaapi_conv, vf);
REGISTER_FILTER(VECTORSCOPE, vectorscope, vf);
REGISTER_FILTER(VFLIP, vflip, vf);
REGISTER_FILTER(VIDSTABDETECT, vidstabdetect, vf);
diff --git a/libavfilter/vf_vaapi_conv.c b/libavfilter/vf_vaapi_conv.c
new file mode 100644
index 0000000..f17445d
--- /dev/null
+++ b/libavfilter/vf_vaapi_conv.c
@@ -0,0 +1,453 @@
+/*
+ * VAAPI converter (scaling and colour conversion).
+ *
+ * Copyright (C) 2016 Mark Thompson <mrt at jkqxz.net>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
+ */
+
+#include "avfilter.h"
+#include "formats.h"
+#include "internal.h"
+
+#include "libavutil/avassert.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/vaapi.h"
+
+typedef struct VAAPIConvContext {
+ const AVClass *class;
+
+ AVVAAPIInstance va_instance;
+ AVVAAPIPipelineConfig va_config;
+ AVVAAPIPipelineContext va_context;
+ int pipeline_initialised;
+
+ int input_is_vaapi;
+ AVVAAPISurfaceConfig input_config;
+ AVVAAPISurfaceConfig output_config;
+
+ int output_width;
+ int output_height;
+
+ struct {
+ int output_size[2];
+ } options;
+
+} VAAPIConvContext;
+
+
+static int vaapi_conv_query_formats(AVFilterContext *avctx)
+{
+ VAAPIConvContext *ctx = avctx->priv;
+ VAStatus vas;
+ VAConfigAttrib rt_format = {
+ .type = VAConfigAttribRTFormat
+ };
+ enum AVPixelFormat pix_fmt_list[16] = {
+ AV_PIX_FMT_VAAPI,
+ };
+ int pix_fmt_count = 1, err;
+
+#if 0
+ // The Intel driver doesn't return anything useful here - it only
+ // declares support for YUV 4:2:0 formats, despite working perfectly
+ // with 32-bit RGB ones. Given another usable platform, this will
+ // need to be updated.
+ vas = vaGetConfigAttributes(ctx->va_instance.display,
+ VAProfileNone, VAEntrypointVideoProc,
+ &rt_format, 1);
+#else
+ vas = VA_STATUS_SUCCESS;
+ rt_format.value = VA_RT_FORMAT_YUV420 | VA_RT_FORMAT_RGB32;
+#endif
+ if(vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to get config attributes: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ } else {
+ if(rt_format.value & VA_RT_FORMAT_YUV420) {
+ av_log(ctx, AV_LOG_DEBUG, "YUV420 formats supported.\n");
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUV420P;
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_NV12;
+ }
+ if(rt_format.value & VA_RT_FORMAT_YUV422) {
+ av_log(ctx, AV_LOG_DEBUG, "YUV422 formats supported.\n");
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUV422P;
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUYV422;
+ }
+ if(rt_format.value & VA_RT_FORMAT_YUV444) {
+ av_log(ctx, AV_LOG_DEBUG, "YUV444 formats supported.\n");
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_YUV444P;
+ }
+ if(rt_format.value & VA_RT_FORMAT_YUV400) {
+ av_log(ctx, AV_LOG_DEBUG, "Grayscale formats supported.\n");
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_GRAY8;
+ }
+ if(rt_format.value & VA_RT_FORMAT_RGB32) {
+ av_log(ctx, AV_LOG_DEBUG, "RGB32 formats supported.\n");
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_RGBA;
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_BGRA;
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_RGB0;
+ pix_fmt_list[pix_fmt_count++] = AV_PIX_FMT_BGR0;
+ }
+ }
+
+ pix_fmt_list[pix_fmt_count] = AV_PIX_FMT_NONE;
+
+ if(avctx->inputs[0]) {
+ err = ff_formats_ref(ff_make_format_list(pix_fmt_list),
+ &avctx->inputs[0]->out_formats);
+ if(err < 0)
+ return err;
+ }
+
+ if(avctx->outputs[0]) {
+ // Truncate the list: no support for normal output yet.
+ pix_fmt_list[1] = AV_PIX_FMT_NONE;
+
+ err = ff_formats_ref(ff_make_format_list(pix_fmt_list),
+ &avctx->outputs[0]->in_formats);
+ if(err < 0)
+ return err;
+ }
+
+ return 0;
+}
+
+static int vaapi_conv_config_pipeline(VAAPIConvContext *ctx)
+{
+ AVVAAPIPipelineConfig *config = &ctx->va_config;
+ int err;
+
+ config->profile = VAProfileNone;
+ config->entrypoint = VAEntrypointVideoProc;
+
+ config->attribute_count = 0;
+
+ err = av_vaapi_pipeline_init(&ctx->va_context, &ctx->va_instance,
+ &ctx->va_config, &ctx->input_config,
+ &ctx->output_config);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to create video processing "
+ "pipeline: " "%d (%s).\n", err, av_err2str(err));
+ return err;
+ }
+
+ return 0;
+}
+
+static int vaapi_conv_config_input(AVFilterLink *inlink)
+{
+ AVFilterContext *avctx = inlink->dst;
+ VAAPIConvContext *ctx = avctx->priv;
+ AVVAAPISurfaceConfig *config = &ctx->input_config;
+
+ if(inlink->format == AV_PIX_FMT_VAAPI) {
+ av_log(ctx, AV_LOG_INFO, "Input is VAAPI (using incoming
surfaces).\n");
+ ctx->input_is_vaapi = 1;
+ return 0;
+ }
+ ctx->input_is_vaapi = 0;
+
+ config->rt_format = VA_RT_FORMAT_YUV420;
+ config->av_format = AV_PIX_FMT_VAAPI;
+
+ switch(inlink->format) {
+ case AV_PIX_FMT_BGR0:
+ case AV_PIX_FMT_BGRA:
+ config->image_format.fourcc = VA_FOURCC_BGRX;
+ config->image_format.byte_order = VA_LSB_FIRST;
+ config->image_format.bits_per_pixel = 32;
+ config->image_format.depth = 8;
+ config->image_format.red_mask = 0x00ff0000;
+ config->image_format.green_mask = 0x0000ff00;
+ config->image_format.blue_mask = 0x000000ff;
+ config->image_format.alpha_mask = 0x00000000;
+ break;
+
+ case AV_PIX_FMT_RGB0:
+ case AV_PIX_FMT_RGBA:
+ config->image_format.fourcc = VA_FOURCC_RGBX;
+ config->image_format.byte_order = VA_LSB_FIRST;
+ config->image_format.bits_per_pixel = 32;
+ config->image_format.depth = 8;
+ config->image_format.red_mask = 0x000000ff;
+ config->image_format.green_mask = 0x0000ff00;
+ config->image_format.blue_mask = 0x00ff0000;
+ config->image_format.alpha_mask = 0x00000000;
+ break;
+
+ case AV_PIX_FMT_NV12:
+ config->image_format.fourcc = VA_FOURCC_NV12;
+ config->image_format.bits_per_pixel = 12;
+ break;
+ case AV_PIX_FMT_YUV420P:
+ config->image_format.fourcc = VA_FOURCC_YV12;
+ config->image_format.bits_per_pixel = 12;
+ break;
+
+ default:
+ av_log(ctx, AV_LOG_ERROR, "Tried to configure with invalid input "
+ "format %s.\n", av_get_pix_fmt_name(inlink->format));
+ return AVERROR(EINVAL);
+ }
+
+ config->count = 4;
+ config->width = inlink->w;
+ config->height = inlink->h;
+
+ config->attribute_count = 0;
+
+ if(ctx->output_width == 0)
+ ctx->output_width = inlink->w;
+ if(ctx->output_height == 0)
+ ctx->output_height = inlink->h;
+
+ return 0;
+}
+
+static int vaapi_conv_config_output(AVFilterLink *outlink)
+{
+ AVFilterContext *avctx = outlink->src;
+ VAAPIConvContext *ctx = avctx->priv;
+ AVVAAPISurfaceConfig *config = &ctx->output_config;
+
+ av_assert0(outlink->format == AV_PIX_FMT_VAAPI);
+ outlink->w = ctx->output_width;
+ outlink->h = ctx->output_height;
+
+ config->rt_format = VA_RT_FORMAT_YUV420;
+ config->av_format = AV_PIX_FMT_VAAPI;
+
+ config->image_format.fourcc = VA_FOURCC_NV12;
+ config->image_format.bits_per_pixel = 12;
+
+ config->count = 4;
+ config->width = outlink->w;
+ config->height = outlink->h;
+
+ config->attribute_count = 0;
+
+ return vaapi_conv_config_pipeline(ctx);
+}
+
+static int vaapi_conv_filter_frame(AVFilterLink *inlink, AVFrame *pic)
+{
+ AVFilterContext *avctx = inlink->dst;
+ AVFilterLink *outlink = avctx->outputs[0];
+ VAAPIConvContext *ctx = avctx->priv;
+ AVVAAPISurface *input, *output;
+ AVFrame *input_image, *output_image;
+ VAProcPipelineParameterBuffer params;
+ VABufferID params_id;
+ VAStatus vas;
+ int err;
+
+ av_log(ctx, AV_LOG_DEBUG, "Filter frame: %s, %ux%u.\n",
+ av_get_pix_fmt_name(pic->format), pic->width, pic->height);
+
+ if(pic->data[3]) {
+ input_image = pic;
+ input = (AVVAAPISurface*)pic->buf[0]->data;
+
+ } else {
+ input_image = av_frame_alloc();
+
+ err = av_vaapi_get_input_surface(&ctx->va_context, input_image);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to allocate surface to "
+ "copy input frame: %d (%s).\n", err, av_err2str(err));
+ return err;
+ }
+
+ input = (AVVAAPISurface*)input_image->buf[0]->data;
+
+ err = av_vaapi_map_surface(input, 0);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to map input surface: "
+ "%d (%s).\n", err, av_err2str(err));
+ return err;
+ }
+
+ err = av_vaapi_copy_to_surface(pic, input);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to copy to input surface: "
+ "%d (%s).\n", err, av_err2str(err));
+ return err;
+ }
+
+ err = av_vaapi_unmap_surface(input, 1);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to unmap input surface: "
+ "%d (%s).\n", err, av_err2str(err));
+ return err;
+ }
+ }
+ av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for input image.\n",
+ input->id);
+
+ output_image = av_frame_alloc();
+ if(!output_image)
+ return AVERROR(ENOMEM);
+ av_frame_copy_props(output_image, pic);
+
+ err = av_vaapi_get_output_surface(&ctx->va_context, output_image);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to allocate surface for "
+ "output frame: %d (%s).\n", err, av_err2str(err));
+ return err;
+ }
+ output = (AVVAAPISurface*)output_image->buf[0]->data;
+ av_log(ctx, AV_LOG_DEBUG, "Using surface %#x for output image.\n",
+ output->id);
+
+ memset(¶ms, 0, sizeof(params));
+
+ params.surface = input->id;
+ params.surface_region = 0;
+ params.surface_color_standard = VAProcColorStandardNone;
+
+ params.output_region = 0;
+ params.output_background_color = 0xff000000;
+ params.output_color_standard = VAProcColorStandardNone;
+
+ params.pipeline_flags = 0;
+ params.filter_flags = VA_FILTER_SCALING_HQ;
+
+ vas = vaBeginPicture(ctx->va_instance.display,
ctx->va_context.context_id,
+ output->id);
+ if(vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to attach new picture: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ vas = vaCreateBuffer(ctx->va_instance.display,
ctx->va_context.context_id,
+ VAProcPipelineParameterBufferType,
+ sizeof(params), 1, ¶ms, ¶ms_id);
+ if(vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+ av_log(ctx, AV_LOG_DEBUG, "Pipeline parameter buffer is %#x.\n",
+ params_id);
+
+ vas = vaRenderPicture(ctx->va_instance.display,
ctx->va_context.context_id,
+ ¶ms_id, 1);
+ if(vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to render parameter buffer: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ vas = vaEndPicture(ctx->va_instance.display,
ctx->va_context.context_id);
+ if(vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to start picture processing: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ vas = vaSyncSurface(ctx->va_instance.display, output->id);
+ if(vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to sync picture completion: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR_EXTERNAL;
+ }
+
+ av_frame_free(&input_image);
+ if(pic->format != AV_PIX_FMT_VAAPI)
+ av_frame_free(&pic);
+
+ return ff_filter_frame(outlink, output_image);
+}
+
+static av_cold int vaapi_conv_init(AVFilterContext *avctx)
+{
+ VAAPIConvContext *ctx = avctx->priv;
+ int err;
+
+ err = av_vaapi_instance_init(&ctx->va_instance, 0);
+ if(err) {
+ av_log(ctx, AV_LOG_ERROR, "No VAAPI instance.\n");
+ return err;
+ }
+
+ ctx->output_width = ctx->options.output_size[0];
+ ctx->output_height = ctx->options.output_size[1];
+
+ return 0;
+}
+
+static av_cold void vaapi_conv_uninit(AVFilterContext *avctx)
+{
+ VAAPIConvContext *ctx = avctx->priv;
+
+ if(ctx->pipeline_initialised) {
+ av_vaapi_pipeline_uninit(&ctx->va_context);
+ }
+
+ av_vaapi_instance_uninit(&ctx->va_instance);
+}
+
+
+#define OFFSET(member) offsetof(VAAPIConvContext, options.member)
+#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
+static const AVOption vaapi_conv_options[] = {
+ { "size", "Set output size",
+ OFFSET(output_size), AV_OPT_TYPE_IMAGE_SIZE,
+ { 0 }, 0, 0, FLAGS },
+ { 0 },
+};
+
+static const AVClass vaapi_conv_class = {
+ .class_name = "VAAPI/conv",
+ .item_name = av_default_item_name,
+ .option = vaapi_conv_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad vaapi_conv_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = &vaapi_conv_filter_frame,
+ .config_props = &vaapi_conv_config_input,
+ },
+ { 0 }
+};
+
+static const AVFilterPad vaapi_conv_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = &vaapi_conv_config_output,
+ },
+ { 0 }
+};
+
+AVFilter ff_vf_vaapi_conv = {
+ .name = "vaapi_conv",
+ .description = NULL_IF_CONFIG_SMALL("Convert to/from VAAPI
surfaces."),
+ .priv_size = sizeof(VAAPIConvContext),
+ .init = &vaapi_conv_init,
+ .uninit = &vaapi_conv_uninit,
+ .query_formats = &vaapi_conv_query_formats,
+ .inputs = vaapi_conv_inputs,
+ .outputs = vaapi_conv_outputs,
+ .priv_class = &vaapi_conv_class,
+};
--
2.6.4
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