1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
/*
* 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 "formats.h"
#include "internal.h"
#include "scale.h"
#include "video.h"
#include "vaapi_vpp.h"
typedef struct ScaleVAAPIContext {
VAAPIVPPContext vpp_ctx; // must be the first field
char *output_format_string;
char *w_expr; // width expression string
char *h_expr; // height expression string
} ScaleVAAPIContext;
static int scale_vaapi_config_output(AVFilterLink *outlink)
{
AVFilterLink *inlink = outlink->src->inputs[0];
AVFilterContext *avctx = outlink->src;
VAAPIVPPContext *vpp_ctx = avctx->priv;
ScaleVAAPIContext *ctx = avctx->priv;
int err;
if ((err = ff_scale_eval_dimensions(ctx,
ctx->w_expr, ctx->h_expr,
inlink, outlink,
&vpp_ctx->output_width, &vpp_ctx->output_height)) < 0)
return err;
err = ff_vaapi_vpp_config_output(outlink);
if (err < 0)
return err;
if (inlink->sample_aspect_ratio.num)
outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
else
outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
return 0;
}
static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
{
AVFilterContext *avctx = inlink->dst;
AVFilterLink *outlink = avctx->outputs[0];
VAAPIVPPContext *vpp_ctx = avctx->priv;
AVFrame *output_frame = NULL;
VASurfaceID input_surface, output_surface;
VAProcPipelineParameterBuffer params;
VARectangle input_region;
int err;
av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
av_get_pix_fmt_name(input_frame->format),
input_frame->width, input_frame->height, input_frame->pts);
if (vpp_ctx->va_context == VA_INVALID_ID)
return AVERROR(EINVAL);
input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for scale input.\n",
input_surface);
output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
vpp_ctx->output_height);
if (!output_frame) {
err = AVERROR(ENOMEM);
goto fail;
}
output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for scale output.\n",
output_surface);
memset(¶ms, 0, sizeof(params));
// If there were top/left cropping, it could be taken into
// account here.
input_region = (VARectangle) {
.x = 0,
.y = 0,
.width = input_frame->width,
.height = input_frame->height,
};
params.surface = input_surface;
params.surface_region = &input_region;
params.surface_color_standard =
ff_vaapi_vpp_colour_standard(input_frame->colorspace);
params.output_region = 0;
params.output_background_color = 0xff000000;
params.output_color_standard = params.surface_color_standard;
params.pipeline_flags = 0;
params.filter_flags = VA_FILTER_SCALING_HQ;
err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_surface);
if (err < 0)
goto fail;
err = av_frame_copy_props(output_frame, input_frame);
if (err < 0)
goto fail;
av_frame_free(&input_frame);
av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
av_get_pix_fmt_name(output_frame->format),
output_frame->width, output_frame->height, output_frame->pts);
return ff_filter_frame(outlink, output_frame);
fail:
av_frame_free(&input_frame);
av_frame_free(&output_frame);
return err;
}
static av_cold int scale_vaapi_init(AVFilterContext *avctx)
{
VAAPIVPPContext *vpp_ctx = avctx->priv;
ScaleVAAPIContext *ctx = avctx->priv;
ff_vaapi_vpp_ctx_init(avctx);
vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit;
if (ctx->output_format_string) {
vpp_ctx->output_format = av_get_pix_fmt(ctx->output_format_string);
if (vpp_ctx->output_format == AV_PIX_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
return AVERROR(EINVAL);
}
} else {
// Use the input format once that is configured.
vpp_ctx->output_format = AV_PIX_FMT_NONE;
}
return 0;
}
#define OFFSET(x) offsetof(ScaleVAAPIContext, x)
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
static const AVOption scale_vaapi_options[] = {
{ "w", "Output video width",
OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
{ "h", "Output video height",
OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
{ "format", "Output video format (software format of hardware frames)",
OFFSET(output_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
{ NULL },
};
AVFILTER_DEFINE_CLASS(scale_vaapi);
static const AVFilterPad scale_vaapi_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = &scale_vaapi_filter_frame,
.config_props = &ff_vaapi_vpp_config_input,
},
{ NULL }
};
static const AVFilterPad scale_vaapi_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = &scale_vaapi_config_output,
},
{ NULL }
};
AVFilter ff_vf_scale_vaapi = {
.name = "scale_vaapi",
.description = NULL_IF_CONFIG_SMALL("Scale to/from VAAPI surfaces."),
.priv_size = sizeof(ScaleVAAPIContext),
.init = &scale_vaapi_init,
.uninit = &ff_vaapi_vpp_ctx_uninit,
.query_formats = &ff_vaapi_vpp_query_formats,
.inputs = scale_vaapi_inputs,
.outputs = scale_vaapi_outputs,
.priv_class = &scale_vaapi_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
};
|
