mirror of https://git.ffmpeg.org/ffmpeg.git
381 lines
14 KiB
C
381 lines
14 KiB
C
/*
|
|
* 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/mem.h"
|
|
#include "libavutil/opt.h"
|
|
#include "libavutil/pixdesc.h"
|
|
|
|
#include "avfilter.h"
|
|
#include "framesync.h"
|
|
#include "formats.h"
|
|
#include "internal.h"
|
|
#include "vaapi_vpp.h"
|
|
|
|
typedef struct OverlayVAAPIContext {
|
|
VAAPIVPPContext vpp_ctx; /**< must be the first field */
|
|
FFFrameSync fs;
|
|
int overlay_ox;
|
|
int overlay_oy;
|
|
int overlay_ow;
|
|
int overlay_oh;
|
|
float alpha;
|
|
} OverlayVAAPIContext;
|
|
|
|
static int overlay_vaapi_build_filter_params(AVFilterContext *avctx)
|
|
{
|
|
VAAPIVPPContext *vpp_ctx = avctx->priv;
|
|
VAStatus vas;
|
|
int support_flag;
|
|
VAProcPipelineCaps pipeline_caps;
|
|
|
|
memset(&pipeline_caps, 0, sizeof(pipeline_caps));
|
|
vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
|
|
vpp_ctx->va_context,
|
|
NULL, 0,
|
|
&pipeline_caps);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
|
|
"caps: %d (%s).\n", vas, vaErrorStr(vas));
|
|
return AVERROR(EIO);
|
|
}
|
|
|
|
if (!pipeline_caps.blend_flags) {
|
|
av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support overlay\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
support_flag = pipeline_caps.blend_flags & VA_BLEND_GLOBAL_ALPHA;
|
|
if (!support_flag) {
|
|
av_log(avctx, AV_LOG_ERROR, "VAAPI driver doesn't support global alpha blending\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int overlay_vaapi_render_picture(AVFilterContext *avctx,
|
|
VAProcPipelineParameterBuffer *params,
|
|
VAProcPipelineParameterBuffer *subpic_params,
|
|
AVFrame *output_frame)
|
|
{
|
|
VAAPIVPPContext *ctx = avctx->priv;
|
|
VASurfaceID output_surface;
|
|
VABufferID params_id;
|
|
VABufferID subpic_params_id;
|
|
VAStatus vas;
|
|
int err = 0;
|
|
|
|
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;
|
|
}
|
|
|
|
if (subpic_params) {
|
|
vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
|
|
VAProcPipelineParameterBufferType,
|
|
sizeof(*subpic_params), 1, subpic_params, &subpic_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 subpic parameter buffer is %#x.\n",
|
|
subpic_params_id);
|
|
|
|
vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
|
|
&subpic_params_id, 1);
|
|
if (vas != VA_STATUS_SUCCESS) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to render subpic 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;
|
|
}
|
|
|
|
static int overlay_vaapi_blend(FFFrameSync *fs)
|
|
{
|
|
AVFilterContext *avctx = fs->parent;
|
|
AVFilterLink *outlink = avctx->outputs[0];
|
|
OverlayVAAPIContext *ctx = avctx->priv;
|
|
VAAPIVPPContext *vpp_ctx = avctx->priv;
|
|
AVFrame *input_main, *input_overlay;
|
|
AVFrame *output;
|
|
VAProcPipelineParameterBuffer params, subpic_params;
|
|
VABlendState blend_state = { 0 }; /**< Blend State */
|
|
VARectangle overlay_region, output_region;
|
|
int err;
|
|
|
|
err = ff_framesync_get_frame(fs, 0, &input_main, 0);
|
|
if (err < 0)
|
|
return err;
|
|
err = ff_framesync_get_frame(fs, 1, &input_overlay, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Filter main: %s, %ux%u (%"PRId64").\n",
|
|
av_get_pix_fmt_name(input_main->format),
|
|
input_main->width, input_main->height, input_main->pts);
|
|
|
|
if (vpp_ctx->va_context == VA_INVALID_ID)
|
|
return AVERROR(EINVAL);
|
|
|
|
output = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!output) {
|
|
err = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
err = av_frame_copy_props(output, input_main);
|
|
if (err < 0)
|
|
goto fail;
|
|
|
|
err = ff_vaapi_vpp_init_params(avctx, ¶ms,
|
|
input_main, output);
|
|
if (err < 0)
|
|
goto fail;
|
|
|
|
output_region = (VARectangle) {
|
|
.x = 0,
|
|
.y = 0,
|
|
.width = output->width,
|
|
.height = output->height,
|
|
};
|
|
|
|
params.filters = &vpp_ctx->filter_buffers[0];
|
|
params.num_filters = vpp_ctx->nb_filter_buffers;
|
|
|
|
params.output_region = &output_region;
|
|
params.output_background_color = VAAPI_VPP_BACKGROUND_BLACK;
|
|
|
|
if (input_overlay) {
|
|
av_log(avctx, AV_LOG_DEBUG, "Filter overlay: %s, %ux%u (%"PRId64").\n",
|
|
av_get_pix_fmt_name(input_overlay->format),
|
|
input_overlay->width, input_overlay->height, input_overlay->pts);
|
|
|
|
overlay_region = (VARectangle) {
|
|
.x = ctx->overlay_ox,
|
|
.y = ctx->overlay_oy,
|
|
.width = ctx->overlay_ow ? ctx->overlay_ow : input_overlay->width,
|
|
.height = ctx->overlay_oh ? ctx->overlay_oh : input_overlay->height,
|
|
};
|
|
|
|
if (overlay_region.x + overlay_region.width > input_main->width ||
|
|
overlay_region.y + overlay_region.height > input_main->height) {
|
|
av_log(ctx, AV_LOG_WARNING,
|
|
"The overlay image exceeds the scope of the main image, "
|
|
"will crop the overlay image according based on the main image.\n");
|
|
}
|
|
|
|
memcpy(&subpic_params, ¶ms, sizeof(subpic_params));
|
|
|
|
blend_state.flags = VA_BLEND_GLOBAL_ALPHA;
|
|
blend_state.global_alpha = ctx->alpha;
|
|
subpic_params.blend_state = &blend_state;
|
|
|
|
subpic_params.surface = (VASurfaceID)(uintptr_t)input_overlay->data[3];
|
|
subpic_params.output_region = &overlay_region;
|
|
}
|
|
|
|
err = overlay_vaapi_render_picture(avctx, ¶ms, input_overlay ? &subpic_params : NULL, output);
|
|
if (err < 0)
|
|
goto fail;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
|
|
av_get_pix_fmt_name(output->format),
|
|
output->width, output->height, output->pts);
|
|
|
|
return ff_filter_frame(outlink, output);
|
|
|
|
fail:
|
|
av_frame_free(&output);
|
|
return err;
|
|
}
|
|
|
|
static int overlay_vaapi_config_output(AVFilterLink *outlink)
|
|
{
|
|
AVFilterContext *avctx = outlink->src;
|
|
OverlayVAAPIContext *ctx = avctx->priv;
|
|
VAAPIVPPContext *vpp_ctx = avctx->priv;
|
|
int err;
|
|
|
|
outlink->time_base = avctx->inputs[0]->time_base;
|
|
vpp_ctx->output_width = avctx->inputs[0]->w;
|
|
vpp_ctx->output_height = avctx->inputs[0]->h;
|
|
|
|
err = ff_vaapi_vpp_config_output(outlink);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = overlay_vaapi_build_filter_params(avctx);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = ff_framesync_init_dualinput(&ctx->fs, avctx);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
ctx->fs.on_event = overlay_vaapi_blend;
|
|
ctx->fs.time_base = outlink->time_base;
|
|
|
|
return ff_framesync_configure(&ctx->fs);
|
|
}
|
|
|
|
static av_cold int overlay_vaapi_init(AVFilterContext *avctx)
|
|
{
|
|
VAAPIVPPContext *vpp_ctx = avctx->priv;
|
|
|
|
ff_vaapi_vpp_ctx_init(avctx);
|
|
vpp_ctx->output_format = AV_PIX_FMT_NONE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int overlay_vaapi_activate(AVFilterContext *avctx)
|
|
{
|
|
OverlayVAAPIContext *ctx = avctx->priv;
|
|
|
|
return ff_framesync_activate(&ctx->fs);
|
|
}
|
|
|
|
static av_cold void overlay_vaapi_uninit(AVFilterContext *avctx)
|
|
{
|
|
OverlayVAAPIContext *ctx = avctx->priv;
|
|
|
|
ff_framesync_uninit(&ctx->fs);
|
|
ff_vaapi_vpp_ctx_uninit(avctx);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(OverlayVAAPIContext, x)
|
|
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
|
|
static const AVOption overlay_vaapi_options[] = {
|
|
{ "x", "Overlay x position", OFFSET(overlay_ox), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
|
|
{ "y", "Overlay y position", OFFSET(overlay_oy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
|
|
{ "w", "Overlay width", OFFSET(overlay_ow), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
|
|
{ "h", "Overlay height", OFFSET(overlay_oh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, .flags = FLAGS },
|
|
{ "alpha", "Overlay global alpha", OFFSET(alpha), AV_OPT_TYPE_FLOAT, { .dbl = 1.0 }, 0.0, 1.0, .flags = FLAGS },
|
|
{ "eof_action", "Action to take when encountering EOF from secondary input ",
|
|
OFFSET(fs.opt_eof_action), AV_OPT_TYPE_INT, { .i64 = EOF_ACTION_REPEAT },
|
|
EOF_ACTION_REPEAT, EOF_ACTION_PASS, .flags = FLAGS, "eof_action" },
|
|
{ "repeat", "Repeat the previous frame.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_REPEAT }, .flags = FLAGS, "eof_action" },
|
|
{ "endall", "End both streams.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_ENDALL }, .flags = FLAGS, "eof_action" },
|
|
{ "pass", "Pass through the main input.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_PASS }, .flags = FLAGS, "eof_action" },
|
|
{ "shortest", "force termination when the shortest input terminates", OFFSET(fs.opt_shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
|
|
{ "repeatlast", "repeat overlay of the last overlay frame", OFFSET(fs.opt_repeatlast), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, FLAGS },
|
|
{ NULL },
|
|
};
|
|
|
|
FRAMESYNC_DEFINE_CLASS(overlay_vaapi, OverlayVAAPIContext, fs);
|
|
|
|
static const AVFilterPad overlay_vaapi_inputs[] = {
|
|
{
|
|
.name = "main",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = &ff_vaapi_vpp_config_input,
|
|
},
|
|
{
|
|
.name = "overlay",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
},
|
|
};
|
|
|
|
static const AVFilterPad overlay_vaapi_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = &overlay_vaapi_config_output,
|
|
},
|
|
};
|
|
|
|
const AVFilter ff_vf_overlay_vaapi = {
|
|
.name = "overlay_vaapi",
|
|
.description = NULL_IF_CONFIG_SMALL("Overlay one video on top of another"),
|
|
.priv_size = sizeof(OverlayVAAPIContext),
|
|
.priv_class = &overlay_vaapi_class,
|
|
.init = &overlay_vaapi_init,
|
|
.uninit = &overlay_vaapi_uninit,
|
|
.activate = &overlay_vaapi_activate,
|
|
.preinit = overlay_vaapi_framesync_preinit,
|
|
FILTER_INPUTS(overlay_vaapi_inputs),
|
|
FILTER_OUTPUTS(overlay_vaapi_outputs),
|
|
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VAAPI),
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
|
};
|