[FFmpeg-devel] [PATCH 1/5] lavfi: VAAPI VPP common infrastructure.
Jun Zhao
mypopydev at gmail.com
Mon Jan 8 10:33:52 EET 2018
-------------- next part --------------
From 17278f448133826593941ac6b105a4e81cc8b255 Mon Sep 17 00:00:00 2001
From: Jun Zhao <jun.zhao at intel.com>
Date: Mon, 8 Jan 2018 15:56:43 +0800
Subject: [PATCH 1/5] lavfi: VAAPI VPP common infrastructure.
Re-work the VA-API common infrastructure.
Signed-off-by: Jun Zhao <jun.zhao at intel.com>
---
libavfilter/vaapi_vpp.c | 366 ++++++++++++++++++++++++++++++++++++++++++++++++
libavfilter/vaapi_vpp.h | 75 ++++++++++
2 files changed, 441 insertions(+)
create mode 100644 libavfilter/vaapi_vpp.c
create mode 100644 libavfilter/vaapi_vpp.h
diff --git a/libavfilter/vaapi_vpp.c b/libavfilter/vaapi_vpp.c
new file mode 100644
index 0000000000..326a716990
--- /dev/null
+++ b/libavfilter/vaapi_vpp.c
@@ -0,0 +1,366 @@
+/*
+ * 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 <string.h>
+
+#include "libavutil/avassert.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_vaapi.h"
+
+#include "avfilter.h"
+#include "formats.h"
+#include "vaapi_vpp.h"
+
+#include "libavutil/pixdesc.h"
+
+int vaapi_vpp_query_formats(AVFilterContext *avctx)
+{
+ enum AVPixelFormat pix_fmts[] = {
+ AV_PIX_FMT_VAAPI, AV_PIX_FMT_NONE,
+ };
+ int err;
+
+ if ((err = ff_formats_ref(ff_make_format_list(pix_fmts),
+ &avctx->inputs[0]->out_formats)) < 0)
+ return err;
+ if ((err = ff_formats_ref(ff_make_format_list(pix_fmts),
+ &avctx->outputs[0]->in_formats)) < 0)
+ return err;
+
+ return 0;
+}
+
+int vaapi_vpp_pipeline_uninit(VAAPIVPPContext *ctx)
+{
+ int i;
+ for (i = 0; i < ctx->nb_filter_buffers; i++) {
+ if (ctx->filter_buffers[i] != VA_INVALID_ID) {
+ vaDestroyBuffer(ctx->hwctx->display, ctx->filter_buffers[i]);
+ ctx->filter_buffers[i] = VA_INVALID_ID;
+ }
+ }
+ ctx->nb_filter_buffers = 0;
+
+ if (ctx->va_context != VA_INVALID_ID) {
+ vaDestroyContext(ctx->hwctx->display, ctx->va_context);
+ ctx->va_context = VA_INVALID_ID;
+ }
+
+ if (ctx->va_config != VA_INVALID_ID) {
+ vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
+ ctx->va_config = VA_INVALID_ID;
+ }
+
+ av_buffer_unref(&ctx->output_frames_ref);
+ av_buffer_unref(&ctx->device_ref);
+ ctx->hwctx = 0;
+
+ return 0;
+}
+
+int vaapi_vpp_config_input(AVFilterLink *inlink, VAAPIVPPContext *ctx)
+{
+ AVFilterContext *avctx = inlink->dst;
+
+ if (ctx->pipeline_uninit)
+ ctx->pipeline_uninit(avctx);
+
+ if (!inlink->hw_frames_ctx) {
+ av_log(avctx, AV_LOG_ERROR, "A hardware frames reference is "
+ "required to associate the processing device.\n");
+ return AVERROR(EINVAL);
+ }
+
+ ctx->input_frames_ref = av_buffer_ref(inlink->hw_frames_ctx);
+ ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;
+
+ return 0;
+}
+
+int vaapi_vpp_config_output(AVFilterLink *outlink, VAAPIVPPContext *ctx)
+{
+ AVFilterContext *avctx = outlink->src;
+ AVVAAPIHWConfig *hwconfig = NULL;
+ AVHWFramesConstraints *constraints = NULL;
+ AVVAAPIFramesContext *va_frames;
+ VAStatus vas;
+ int err, i;
+
+ if (ctx->pipeline_uninit)
+ ctx->pipeline_uninit(avctx);
+
+ av_assert0(ctx->input_frames);
+ ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
+ ctx->hwctx = ((AVHWDeviceContext*)ctx->device_ref->data)->hwctx;
+
+ av_assert0(ctx->va_config == VA_INVALID_ID);
+ vas = vaCreateConfig(ctx->hwctx->display, VAProfileNone,
+ VAEntrypointVideoProc, 0, 0, &ctx->va_config);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to create processing pipeline "
+ "config: %d (%s).\n", vas, vaErrorStr(vas));
+ err = AVERROR(EIO);
+ goto fail;
+ }
+
+ hwconfig = av_hwdevice_hwconfig_alloc(ctx->device_ref);
+ if (!hwconfig) {
+ err = AVERROR(ENOMEM);
+ goto fail;
+ }
+ hwconfig->config_id = ctx->va_config;
+
+ constraints = av_hwdevice_get_hwframe_constraints(ctx->device_ref,
+ hwconfig);
+ if (!constraints) {
+ err = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ if (ctx->output_format == AV_PIX_FMT_NONE)
+ ctx->output_format = ctx->input_frames->sw_format;
+ if (constraints->valid_sw_formats) {
+ for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
+ if (ctx->output_format == constraints->valid_sw_formats[i])
+ break;
+ }
+ if (constraints->valid_sw_formats[i] == AV_PIX_FMT_NONE) {
+ av_log(avctx, AV_LOG_ERROR, "Hardware does not support output "
+ "format %s.\n", av_get_pix_fmt_name(ctx->output_format));
+ err = AVERROR(EINVAL);
+ goto fail;
+ }
+ }
+
+ if (ctx->output_width < constraints->min_width ||
+ ctx->output_height < constraints->min_height ||
+ ctx->output_width > constraints->max_width ||
+ ctx->output_height > constraints->max_height) {
+ av_log(avctx, AV_LOG_ERROR, "Hardware does not support scaling to "
+ "size %dx%d (constraints: width %d-%d height %d-%d).\n",
+ ctx->output_width, ctx->output_height,
+ constraints->min_width, constraints->max_width,
+ constraints->min_height, constraints->max_height);
+ err = AVERROR(EINVAL);
+ goto fail;
+ }
+
+ ctx->output_frames_ref = av_hwframe_ctx_alloc(ctx->device_ref);
+ if (!ctx->output_frames_ref) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to create HW frame context "
+ "for output.\n");
+ err = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ ctx->output_frames = (AVHWFramesContext*)ctx->output_frames_ref->data;
+
+ ctx->output_frames->format = AV_PIX_FMT_VAAPI;
+ ctx->output_frames->sw_format = ctx->output_format;
+ ctx->output_frames->width = ctx->output_width;
+ ctx->output_frames->height = ctx->output_height;
+
+ // The number of output frames we need is determined by what follows
+ // the filter. If it's an encoder with complex frame reference
+ // structures then this could be very high.
+ ctx->output_frames->initial_pool_size = 10;
+
+ err = av_hwframe_ctx_init(ctx->output_frames_ref);
+ if (err < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to initialise VAAPI frame "
+ "context for output: %d\n", err);
+ goto fail;
+ }
+
+ va_frames = ctx->output_frames->hwctx;
+
+ av_assert0(ctx->va_context == VA_INVALID_ID);
+ vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
+ ctx->output_width, ctx->output_height,
+ VA_PROGRESSIVE,
+ va_frames->surface_ids, va_frames->nb_surfaces,
+ &ctx->va_context);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to create processing pipeline "
+ "context: %d (%s).\n", vas, vaErrorStr(vas));
+ return AVERROR(EIO);
+ }
+
+ outlink->w = ctx->output_width;
+ outlink->h = ctx->output_height;
+
+ if (ctx->build_filter_params) {
+ err = ctx->build_filter_params(avctx);
+ if (err < 0)
+ goto fail;
+ }
+
+ outlink->hw_frames_ctx = av_buffer_ref(ctx->output_frames_ref);
+ if (!outlink->hw_frames_ctx) {
+ err = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ av_freep(&hwconfig);
+ av_hwframe_constraints_free(&constraints);
+ return 0;
+
+fail:
+ av_buffer_unref(&ctx->output_frames_ref);
+ av_freep(&hwconfig);
+ av_hwframe_constraints_free(&constraints);
+ return err;
+}
+
+int vaapi_vpp_colour_standard(enum AVColorSpace av_cs)
+{
+ switch(av_cs) {
+#define CS(av, va) case AVCOL_SPC_ ## av: return VAProcColorStandard ## va;
+ CS(BT709, BT709);
+ CS(BT470BG, BT601);
+ CS(SMPTE170M, SMPTE170M);
+ CS(SMPTE240M, SMPTE240M);
+#undef CS
+ default:
+ return VAProcColorStandardNone;
+ }
+}
+
+int vaapi_vpp_make_param_buffers(VAAPIVPPContext *ctx,
+ int type,
+ const void *data,
+ size_t size,
+ int count)
+{
+ VAStatus vas;
+ VABufferID buffer;
+
+ av_assert0(ctx->nb_filter_buffers + 1 <= VAProcFilterCount);
+
+ vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
+ type, size, count, (void*)data, &buffer);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to create parameter "
+ "buffer (type %d): %d (%s).\n",
+ type, vas, vaErrorStr(vas));
+ return AVERROR(EIO);
+ }
+
+ ctx->filter_buffers[ctx->nb_filter_buffers++] = buffer;
+
+ av_log(ctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes, count %d) "
+ "is %#x.\n", type, size, count, buffer);
+ return 0;
+}
+
+
+int vaapi_vpp_render_picture(VAAPIVPPContext *ctx,
+ VAProcPipelineParameterBuffer *params,
+ VASurfaceID output_surface)
+{
+ VABufferID params_id;
+ VAStatus vas;
+ int err = 0;
+
+ vas = vaBeginPicture(ctx->hwctx->display,
+ ctx->va_context, output_surface);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to attach new picture: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ err = AVERROR(EIO);
+ goto fail;
+ }
+
+ vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
+ VAProcPipelineParameterBufferType,
+ sizeof(*params), 1, params, ¶ms_id);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ err = AVERROR(EIO);
+ goto fail_after_begin;
+ }
+ av_log(ctx, AV_LOG_DEBUG, "Pipeline parameter buffer is %#x.\n",
+ params_id);
+
+ vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
+ ¶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));
+ err = AVERROR(EIO);
+ goto fail_after_begin;
+ }
+
+ vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to start picture processing: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ err = AVERROR(EIO);
+ goto fail_after_render;
+ }
+
+ if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
+ AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS) {
+ vas = vaDestroyBuffer(ctx->hwctx->display, params_id);
+ if (vas != VA_STATUS_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "Failed to free parameter buffer: "
+ "%d (%s).\n", vas, vaErrorStr(vas));
+ // And ignore.
+ }
+ }
+
+ return 0;
+
+ // We want to make sure that if vaBeginPicture has been called, we also
+ // call vaRenderPicture and vaEndPicture. These calls may well fail or
+ // do something else nasty, but once we're in this failure case there
+ // isn't much else we can do.
+fail_after_begin:
+ vaRenderPicture(ctx->hwctx->display, ctx->va_context, ¶ms_id, 1);
+fail_after_render:
+ vaEndPicture(ctx->hwctx->display, ctx->va_context);
+fail:
+ return err;
+}
+
+int vaapi_vpp_ctx_init(VAAPIVPPContext *ctx)
+{
+ int i;
+ ctx->va_config = VA_INVALID_ID;
+ ctx->va_context = VA_INVALID_ID;
+ ctx->valid_ids = 1;
+
+ for (i = 0; i < VAProcFilterCount; i++)
+ ctx->filter_buffers[i] = VA_INVALID_ID;
+ ctx->nb_filter_buffers = 0;
+
+ return 0;
+}
+
+void vaapi_vpp_ctx_uninit(AVFilterContext *avctx, VAAPIVPPContext *ctx)
+{
+ if (ctx->valid_ids && ctx->pipeline_uninit)
+ ctx->pipeline_uninit(avctx);
+
+ av_buffer_unref(&ctx->input_frames_ref);
+ av_buffer_unref(&ctx->output_frames_ref);
+ av_buffer_unref(&ctx->device_ref);
+
+ av_free(ctx);
+}
diff --git a/libavfilter/vaapi_vpp.h b/libavfilter/vaapi_vpp.h
new file mode 100644
index 0000000000..01eb754011
--- /dev/null
+++ b/libavfilter/vaapi_vpp.h
@@ -0,0 +1,75 @@
+/*
+ * 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
+ */
+
+#ifndef AVFILTER_VAAPI_VPP_H
+#define AVFILTER_VAAPI_VPP_H
+
+typedef struct VAAPIVPPContext {
+ const AVClass *class;
+
+ AVVAAPIDeviceContext *hwctx;
+ AVBufferRef *device_ref;
+
+ int valid_ids;
+ VAConfigID va_config;
+ VAContextID va_context;
+
+ AVBufferRef *input_frames_ref;
+ AVHWFramesContext *input_frames;
+
+ AVBufferRef *output_frames_ref;
+ AVHWFramesContext *output_frames;
+
+ enum AVPixelFormat output_format;
+ int output_width; // computed width
+ int output_height; // computed height
+
+ VABufferID filter_buffers[VAProcFilterCount];
+ int nb_filter_buffers;
+
+ int (*build_filter_params)(AVFilterContext *avctx);
+
+ int (*pipeline_uninit)(AVFilterContext *avctx);
+
+} VAAPIVPPContext;
+
+int vaapi_vpp_ctx_init(VAAPIVPPContext *ctx);
+
+void vaapi_vpp_ctx_uninit(AVFilterContext *avctx, VAAPIVPPContext *ctx);
+
+int vaapi_vpp_query_formats(AVFilterContext *avctx);
+
+int vaapi_vpp_pipeline_uninit(VAAPIVPPContext *ctx);
+
+int vaapi_vpp_config_input(AVFilterLink *inlink, VAAPIVPPContext *ctx);
+
+int vaapi_vpp_config_output(AVFilterLink *outlink, VAAPIVPPContext *ctx);
+
+int vaapi_vpp_colour_standard(enum AVColorSpace av_cs);
+
+int vaapi_vpp_make_param_buffers(VAAPIVPPContext *ctx,
+ int type,
+ const void *data,
+ size_t size,
+ int count);
+
+int vaapi_vpp_render_picture(VAAPIVPPContext *ctx,
+ VAProcPipelineParameterBuffer *params,
+ VASurfaceID output_surface);
+
+#endif /* AVFILTER_VAAPI_VPP_H */
--
2.14.1
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