/*
* 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 "internal.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->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;
AVHWFramesContext *output_frames;
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;
}
outlink->hw_frames_ctx = av_hwframe_ctx_alloc(ctx->device_ref);
if (!outlink->hw_frames_ctx) {
av_log(avctx, AV_LOG_ERROR, "Failed to create HW frame context "
"for output.\n");
err = AVERROR(ENOMEM);
goto fail;
}
output_frames = (AVHWFramesContext*)outlink->hw_frames_ctx->data;
output_frames->format = AV_PIX_FMT_VAAPI;
output_frames->sw_format = ctx->output_format;
output_frames->width = ctx->output_width;
output_frames->height = ctx->output_height;
output_frames->initial_pool_size = 4;
err = ff_filter_init_hw_frames(avctx, outlink, 10);
if (err < 0)
goto fail;
err = av_hwframe_ctx_init(outlink->hw_frames_ctx);
if (err < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to initialise VAAPI frame "
"context for output: %d\n", err);
goto fail;
}
va_frames = 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;
}
av_freep(&hwconfig);
av_hwframe_constraints_free(&constraints);
return 0;
fail:
av_buffer_unref(&outlink->hw_frames_ctx);
av_freep(&hwconfig);
av_hwframe_constraints_free(&constraints);
return err;
}
typedef struct VAAPIColourProperties {
VAProcColorStandardType va_color_standard;
enum AVColorPrimaries color_primaries;
enum AVColorTransferCharacteristic color_trc;
enum AVColorSpace colorspace;
uint8_t va_chroma_sample_location;
uint8_t va_color_range;
enum AVColorRange color_range;
enum AVChromaLocation chroma_sample_location;
} VAAPIColourProperties;
static const VAAPIColourProperties vaapi_colour_standard_map[] = {
{ VAProcColorStandardBT601, 5, 6, 5 },
{ VAProcColorStandardBT601, 6, 6, 6 },
{ VAProcColorStandardBT709, 1, 1, 1 },
{ VAProcColorStandardBT470M, 4, 4, 4 },
{ VAProcColorStandardBT470BG, 5, 5, 5 },
{ VAProcColorStandardSMPTE170M, 6, 6, 6 },
{ VAProcColorStandardSMPTE240M, 7, 7, 7 },
{ VAProcColorStandardGenericFilm, 8, 1, 1 },
#if VA_CHECK_VERSION(1, 1, 0)
{ VAProcColorStandardSRGB, 1, 13, 0 },
{ VAProcColorStandardXVYCC601, 1, 11, 5 },
{ VAProcColorStandardXVYCC709, 1, 11, 1 },
{ VAProcColorStandardBT2020, 9, 14, 9 },
#endif
};
static void vaapi_vpp_fill_colour_standard(VAAPIColourProperties *props,
VAProcColorStandardType *vacs,
int nb_vacs)
{
const VAAPIColourProperties *t;
int i, j, score, best_score, worst_score;
VAProcColorStandardType best_standard;
#if VA_CHECK_VERSION(1, 3, 0)
// If the driver supports explicit use of the standard values then just
// use them and avoid doing any mapping. (The driver may not support
// some particular code point, but it still has enough information to
// make a better fallback choice than we do in that case.)
for (i = 0; i < nb_vacs; i++) {
if (vacs[i] == VAProcColorStandardExplicit) {
props->va_color_standard = VAProcColorStandardExplicit;
return;
}
}
#endif
// Give scores to the possible options and choose the lowest one.
// An exact match will score zero and therefore always be chosen, as
// will a partial match where all unmatched elements are explicitly
// unspecified. If no options match at all then just pass "none" to
// the driver and let it make its own choice.
best_standard = VAProcColorStandardNone;
best_score = -1;
worst_score = 4 * (props->colorspace != AVCOL_SPC_UNSPECIFIED &&
props->colorspace != AVCOL_SPC_RGB) +
2 * (props->color_trc != AVCOL_TRC_UNSPECIFIED) +
(props->color_primaries != AVCOL_PRI_UNSPECIFIED);
if (worst_score == 0) {
// No properties are specified, so we aren't going to be able to
// make a useful choice.
props->va_color_standard = VAProcColorStandardNone;
return;
}
for (i = 0; i < nb_vacs; i++) {
for (j = 0; j < FF_ARRAY_ELEMS(vaapi_colour_standard_map); j++) {
t = &vaapi_colour_standard_map[j];
if (t->va_color_standard != vacs[i])
continue;
score = 0;
if (props->colorspace != AVCOL_SPC_UNSPECIFIED &&
props->colorspace != AVCOL_SPC_RGB)
score += 4 * (props->colorspace != t->colorspace);
if (props->color_trc != AVCOL_TRC_UNSPECIFIED)
score += 2 * (props->color_trc != t->color_trc);
if (props->color_primaries != AVCOL_PRI_UNSPECIFIED)
score += (props->color_primaries != t->color_primaries);
// Only include choices which matched something.
if (score < worst_score &&
(best_score == -1 || score < best_score)) {
best_score = score;
best_standard = t->va_color_standard;
}
}
}
props->va_color_standard = best_standard;
}
static void vaapi_vpp_fill_chroma_sample_location(VAAPIColourProperties *props)
{
#if VA_CHECK_VERSION(1, 1, 0)
static const struct {
enum AVChromaLocation av;
uint8_t va;
} csl_map[] = {
{ AVCHROMA_LOC_UNSPECIFIED, VA_CHROMA_SITING_UNKNOWN },
{ AVCHROMA_LOC_LEFT, VA_CHROMA_SITING_VERTICAL_CENTER |
VA_CHROMA_SITING_HORIZONTAL_LEFT },
{ AVCHROMA_LOC_CENTER, VA_CHROMA_SITING_VERTICAL_CENTER |
VA_CHROMA_SITING_HORIZONTAL_CENTER },
{ AVCHROMA_LOC_TOPLEFT, VA_CHROMA_SITING_VERTICAL_TOP |
VA_CHROMA_SITING_HORIZONTAL_LEFT },
{ AVCHROMA_LOC_TOP, VA_CHROMA_SITING_VERTICAL_TOP |
VA_CHROMA_SITING_HORIZONTAL_CENTER },
{ AVCHROMA_LOC_BOTTOMLEFT, VA_CHROMA_SITING_VERTICAL_BOTTOM |
VA_CHROMA_SITING_HORIZONTAL_LEFT },
{ AVCHROMA_LOC_BOTTOM, VA_CHROMA_SITING_VERTICAL_BOTTOM |
VA_CHROMA_SITING_HORIZONTAL_CENTER },
};
int i;
for (i = 0; i < FF_ARRAY_ELEMS(csl_map); i++) {
if (props->chroma_sample_location == csl_map[i].av) {
props->va_chroma_sample_location = csl_map[i].va;
return;
}
}
props->va_chroma_sample_location = VA_CHROMA_SITING_UNKNOWN;
#else
props->va_chroma_sample_location = 0;
#endif
}
static void vaapi_vpp_fill_colour_range(VAAPIColourProperties *props)
{
#if VA_CHECK_VERSION(1, 1, 0)
switch (props->color_range) {
case AVCOL_RANGE_MPEG:
props->va_color_range = VA_SOURCE_RANGE_REDUCED;
break;
case AVCOL_RANGE_JPEG:
props->va_color_range = VA_SOURCE_RANGE_FULL;
break;
case AVCOL_RANGE_UNSPECIFIED:
default:
props->va_color_range = VA_SOURCE_RANGE_UNKNOWN;
}
#else
props->va_color_range = 0;
#endif
}
static void vaapi_vpp_fill_colour_properties(AVFilterContext *avctx,
VAAPIColourProperties *props,
VAProcColorStandardType *vacs,
int nb_vacs)
{
vaapi_vpp_fill_colour_standard(props, vacs, nb_vacs);
vaapi_vpp_fill_chroma_sample_location(props);
vaapi_vpp_fill_colour_range(props);
av_log(avctx, AV_LOG_DEBUG, "Mapped colour properties %s %s/%s/%s %s "
"to VA standard %d chroma siting %#x range %#x.\n",
av_color_range_name(props->color_range),
av_color_space_name(props->colorspace),
av_color_primaries_name(props->color_primaries),
av_color_transfer_name(props->color_trc),
av_chroma_location_name(props->chroma_sample_location),
props->va_color_standard,
props->va_chroma_sample_location, props->va_color_range);
}
static int vaapi_vpp_frame_is_rgb(const AVFrame *frame)
{
const AVHWFramesContext *hwfc;
const AVPixFmtDescriptor *desc;
av_assert0(frame->format == AV_PIX_FMT_VAAPI &&
frame->hw_frames_ctx);
hwfc = (const AVHWFramesContext*)frame->hw_frames_ctx->data;
desc = av_pix_fmt_desc_get(hwfc->sw_format);
av_assert0(desc);
return !!(desc->flags & AV_PIX_FMT_FLAG_RGB);
}
static int vaapi_vpp_colour_properties(AVFilterContext *avctx,
VAProcPipelineParameterBuffer *params,
const AVFrame *input_frame,
AVFrame *output_frame)
{
VAAPIVPPContext *ctx = avctx->priv;
VAAPIColourProperties input_props, output_props;
VAProcPipelineCaps caps;
VAStatus vas;
vas = vaQueryVideoProcPipelineCaps(ctx->hwctx->display, ctx->va_context,
ctx->filter_buffers, ctx->nb_filter_buffers,
&caps);
if (vas != VA_STATUS_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to query capabilities for "
"colour standard support: %d (%s).\n", vas, vaErrorStr(vas));
return AVERROR_EXTERNAL;
}
input_props = (VAAPIColourProperties) {
.colorspace = vaapi_vpp_frame_is_rgb(input_frame)
? AVCOL_SPC_RGB : input_frame->colorspace,
.color_primaries = input_frame->color_primaries,
.color_trc = input_frame->color_trc,
.color_range = input_frame->color_range,
.chroma_sample_location = input_frame->chroma_location,
};
vaapi_vpp_fill_colour_properties(avctx, &input_props,
caps.input_color_standards,
caps.num_input_color_standards);
output_props = (VAAPIColourProperties) {
.colorspace = vaapi_vpp_frame_is_rgb(output_frame)
? AVCOL_SPC_RGB : output_frame->colorspace,
.color_primaries = output_frame->color_primaries,
.color_trc = output_frame->color_trc,
.color_range = output_frame->color_range,
.chroma_sample_location = output_frame->chroma_location,
};
vaapi_vpp_fill_colour_properties(avctx, &output_props,
caps.output_color_standards,
caps.num_output_color_standards);
// If the properties weren't filled completely in the output frame and
// we chose a fixed standard then fill the known values in here.
#if VA_CHECK_VERSION(1, 3, 0)
if (output_props.va_color_standard != VAProcColorStandardExplicit)
#endif
{
const VAAPIColourProperties *output_standard = NULL;
int i;
for (i = 0; i < FF_ARRAY_ELEMS(vaapi_colour_standard_map); i++) {
if (output_props.va_color_standard ==
vaapi_colour_standard_map[i].va_color_standard) {
output_standard = &vaapi_colour_standard_map[i];
break;
}
}
if (output_standard) {
output_frame->colorspace = vaapi_vpp_frame_is_rgb(output_frame)
? AVCOL_SPC_RGB : output_standard->colorspace;
output_frame->color_primaries = output_standard->color_primaries;
output_frame->color_trc = output_standard->color_trc;
}
}
params->surface_color_standard = input_props.va_color_standard;
params->output_color_standard = output_props.va_color_standard;
#if VA_CHECK_VERSION(1, 1, 0)
params->input_color_properties = (VAProcColorProperties) {
.chroma_sample_location = input_props.va_chroma_sample_location,
.color_range = input_props.va_color_range,
#if VA_CHECK_VERSION(1, 3, 0)
.colour_primaries = input_props.color_primaries,
.transfer_characteristics = input_props.color_trc,
.matrix_coefficients = input_props.colorspace,
#endif
};
params->output_color_properties = (VAProcColorProperties) {
.chroma_sample_location = output_props.va_chroma_sample_location,
.color_range = output_props.va_color_range,
#if VA_CHECK_VERSION(1, 3, 0)
.colour_primaries = output_props.color_primaries,
.transfer_characteristics = output_props.color_trc,
.matrix_coefficients = output_props.colorspace,
#endif
};
#endif
return 0;
}
int ff_vaapi_vpp_init_params(AVFilterContext *avctx,
VAProcPipelineParameterBuffer *params,
const AVFrame *input_frame,
AVFrame *output_frame)
{
VAAPIVPPContext *ctx = avctx->priv;
VASurfaceID input_surface;
int err;
ctx->input_region = (VARectangle) {
.x = input_frame->crop_left,
.y = input_frame->crop_top,
.width = input_frame->width -
(input_frame->crop_left + input_frame->crop_right),
.height = input_frame->height -
(input_frame->crop_top + input_frame->crop_bottom),
};
output_frame->crop_top = 0;
output_frame->crop_bottom = 0;
output_frame->crop_left = 0;
output_frame->crop_right = 0;
input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3],
*params = (VAProcPipelineParameterBuffer) {
.surface = input_surface,
.surface_region = &ctx->input_region,
.output_region = NULL,
.output_background_color = VAAPI_VPP_BACKGROUND_BLACK,
.pipeline_flags = 0,
.filter_flags = VA_FRAME_PICTURE,
// Filter and reference data filled by the filter itself.
#if VA_CHECK_VERSION(1, 1, 0)
.rotation_state = VA_ROTATION_NONE,
.mirror_state = VA_MIRROR_NONE,
#endif
};
err = vaapi_vpp_colour_properties(avctx, params,
input_frame, output_frame);
if (err < 0)
return err;
return 0;
}
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,
AVFrame *output_frame)
{
VAAPIVPPContext *ctx = avctx->priv;
VASurfaceID output_surface;
VABufferID params_id;
VAStatus vas;
int err;
output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
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, ¶ms_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,
¶ms_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, ¶ms_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->device_ref);
}