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lavfi: VAAPI VPP common infrastructure. 

Re-work the VAAPI common infrastructure to avoid code duplication
between filters.

Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>
tags/n4.0
Jun Zhao Mark Thompson 7 years ago
parent
56a53340ed
commit
dfdeed5a2c
2 changed files with 461 additions and 0 deletions
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  1. +379
    -0
      libavfilter/vaapi_vpp.c
  2. +82
    -0
      libavfilter/vaapi_vpp.h

+ 379
- 0
libavfilter/vaapi_vpp.c View File

@@ -0,0 +1,379 @@
/*
* 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/pixdesc.h"
#include "formats.h"

#include "vaapi_vpp.h"

int ff_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;
}

void ff_vaapi_vpp_pipeline_uninit(AVFilterContext *avctx)
{
VAAPIVPPContext *ctx = avctx->priv;
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 = NULL;
}

int ff_vaapi_vpp_config_input(AVFilterLink *inlink)
{
AVFilterContext *avctx = inlink->dst;
VAAPIVPPContext *ctx = avctx->priv;

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);
if (!ctx->input_frames_ref) {
av_log(avctx, AV_LOG_ERROR, "A input frames reference create "
"failed.\n");
return AVERROR(ENOMEM);
}
ctx->input_frames = (AVHWFramesContext*)ctx->input_frames_ref->data;

return 0;
}

int ff_vaapi_vpp_config_output(AVFilterLink *outlink)
{
AVFilterContext *avctx = outlink->src;
VAAPIVPPContext *ctx = avctx->priv;
AVVAAPIHWConfig *hwconfig = NULL;
AVHWFramesConstraints *constraints = NULL;
AVVAAPIFramesContext *va_frames;
VAStatus vas;
int err, i;

if (ctx->pipeline_uninit)
ctx->pipeline_uninit(avctx);

if (!ctx->output_width)
ctx->output_width = avctx->inputs[0]->w;
if (!ctx->output_height)
ctx->output_height = avctx->inputs[0]->h;

av_assert0(ctx->input_frames);
ctx->device_ref = av_buffer_ref(ctx->input_frames->device_ref);
if (!ctx->device_ref) {
av_log(avctx, AV_LOG_ERROR, "A device reference create "
"failed.\n");
return AVERROR(ENOMEM);
}
ctx->hwctx = ((AVHWDeviceContext*)ctx->device_ref->data)->hwctx;

av_assert0(ctx->va_config == VA_INVALID_ID);
vas = vaCreateConfig(ctx->hwctx->display, VAProfileNone,
VAEntrypointVideoProc, NULL, 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 ff_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 ff_vaapi_vpp_make_param_buffers(AVFilterContext *avctx,
int type,
const void *data,
size_t size,
int count)
{
VAStatus vas;
VABufferID buffer;
VAAPIVPPContext *ctx = avctx->priv;

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(avctx, 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(avctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes, count %d) "
"is %#x.\n", type, size, count, buffer);
return 0;
}


int ff_vaapi_vpp_render_picture(AVFilterContext *avctx,
VAProcPipelineParameterBuffer *params,
VASurfaceID output_surface)
{
VABufferID params_id;
VAStatus vas;
int err = 0;
VAAPIVPPContext *ctx = avctx->priv;

vas = vaBeginPicture(ctx->hwctx->display,
ctx->va_context, output_surface);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, 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, &params_id);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to create parameter buffer: "
"%d (%s).\n", vas, vaErrorStr(vas));
err = AVERROR(EIO);
goto fail_after_begin;
}
av_log(avctx, AV_LOG_DEBUG, "Pipeline parameter buffer is %#x.\n",
params_id);

vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
&params_id, 1);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, 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(avctx, 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(avctx, 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, &params_id, 1);
fail_after_render:
vaEndPicture(ctx->hwctx->display, ctx->va_context);
fail:
return err;
}

void ff_vaapi_vpp_ctx_init(AVFilterContext *avctx)
{
int i;
VAAPIVPPContext *ctx = avctx->priv;

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;
}

void ff_vaapi_vpp_ctx_uninit(AVFilterContext *avctx)
{
VAAPIVPPContext *ctx = avctx->priv;
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);
}

+ 82
- 0
libavfilter/vaapi_vpp.h View File

@@ -0,0 +1,82 @@
/*
* 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

#include <va/va.h>
#include <va/va_vpp.h>

#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_vaapi.h"

#include "avfilter.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);

void (*pipeline_uninit)(AVFilterContext *avctx);
} VAAPIVPPContext;

void ff_vaapi_vpp_ctx_init(AVFilterContext *avctx);

void ff_vaapi_vpp_ctx_uninit(AVFilterContext *avctx);

int ff_vaapi_vpp_query_formats(AVFilterContext *avctx);

void ff_vaapi_vpp_pipeline_uninit(AVFilterContext *avctx);

int ff_vaapi_vpp_config_input(AVFilterLink *inlink);

int ff_vaapi_vpp_config_output(AVFilterLink *outlink);

int ff_vaapi_vpp_colour_standard(enum AVColorSpace av_cs);

int ff_vaapi_vpp_make_param_buffers(AVFilterContext *avctx,
int type,
const void *data,
size_t size,
int count);

int ff_vaapi_vpp_render_picture(AVFilterContext *avctx,
VAProcPipelineParameterBuffer *params,
VASurfaceID output_surface);

#endif /* AVFILTER_VAAPI_VPP_H */

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