FFmpeg coverage

Line	Branch	Exec	Source
1			/*
2			* This file is part of FFmpeg.
3			*
4			* FFmpeg is free software; you can redistribute it and/or
5			* modify it under the terms of the GNU Lesser General Public
6			* License as published by the Free Software Foundation; either
7			* version 2.1 of the License, or (at your option) any later version.
8			*
9			* FFmpeg is distributed in the hope that it will be useful,
10			* but WITHOUT ANY WARRANTY; without even the implied warranty of
11			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12			* Lesser General Public License for more details.
13			*
14			* You should have received a copy of the GNU Lesser General Public
15			* License along with FFmpeg; if not, write to the Free Software
16			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17			*/
18
19			#include "libavutil/colorspace.h"
20			#include "libavutil/eval.h"
21			#include "libavutil/opt.h"
22
23			#include "avfilter.h"
24			#include "filters.h"
25			#include "vaapi_vpp.h"
26			#include "video.h"
27
28			static const char *const var_names[] = {
29			"in_w", "iw",
30			"in_h", "ih",
31			"out_w", "ow",
32			"out_h", "oh",
33			"x",
34			"y",
35			"a",
36			"sar",
37			"dar",
38			NULL
39			};
40
41			enum var_name {
42			VAR_IN_W, VAR_IW,
43			VAR_IN_H, VAR_IH,
44			VAR_OUT_W, VAR_OW,
45			VAR_OUT_H, VAR_OH,
46			VAR_X,
47			VAR_Y,
48			VAR_A,
49			VAR_SAR,
50			VAR_DAR,
51			VARS_NB
52			};
53
54			typedef struct PadVAAPIContext {
55			VAAPIVPPContext vpp_ctx; // must be the first field
56			VARectangle rect;
57
58			char *w_expr;
59			char *h_expr;
60			char *x_expr;
61			char *y_expr;
62			AVRational aspect;
63
64			int w, h;
65			int x, y;
66			uint8_t pad_rgba[4];
67			} PadVAAPIContext;
68
69		✗	static int pad_vaapi_config_output(AVFilterLink *outlink)
70			{
71		✗	AVFilterContext *avctx = outlink->src;
72		✗	AVFilterLink *inlink = avctx->inputs[0];
73		✗	PadVAAPIContext *ctx = avctx->priv;
74		✗	VAAPIVPPContext *vpp_ctx = avctx->priv;
75		✗	AVRational adjusted_aspect = ctx->aspect;
76			double var_values[VARS_NB], res;
77			int err, ret;
78			char *expr;
79
80		✗	var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
81		✗	var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
82		✗	var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
83		✗	var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
84		✗	var_values[VAR_A] = (double) inlink->w / inlink->h;
85		✗	var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
86		✗	(double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
87		✗	var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
88
89		✗	av_expr_parse_and_eval(&res, (expr = ctx->w_expr),
90			var_names, var_values,
91			NULL, NULL, NULL, NULL, NULL, 0, ctx);
92		✗	ctx->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
93		✗	if ((ret = av_expr_parse_and_eval(&res, (expr = ctx->h_expr),
94			var_names, var_values,
95			NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
96		✗	return ret;
97		✗	ctx->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
98		✗	if (!ctx->h)
99		✗	var_values[VAR_OUT_H] = var_values[VAR_OH] = ctx->h = inlink->h;
100
101			/* evaluate the width again, as it may depend on the evaluated output height */
102		✗	if ((ret = av_expr_parse_and_eval(&res, (expr = ctx->w_expr),
103			var_names, var_values,
104			NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
105		✗	return ret;
106		✗	ctx->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
107		✗	if (!ctx->w)
108		✗	var_values[VAR_OUT_W] = var_values[VAR_OW] = ctx->w = inlink->w;
109
110		✗	if (adjusted_aspect.num && adjusted_aspect.den) {
111		✗	adjusted_aspect = av_div_q(adjusted_aspect, inlink->sample_aspect_ratio);
112		✗	if (ctx->h < av_rescale(ctx->w, adjusted_aspect.den, adjusted_aspect.num)) {
113		✗	ctx->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = av_rescale(ctx->w, adjusted_aspect.den, adjusted_aspect.num);
114			} else {
115		✗	ctx->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = av_rescale(ctx->h, adjusted_aspect.num, adjusted_aspect.den);
116			}
117			}
118
119			/* evaluate x and y */
120		✗	av_expr_parse_and_eval(&res, (expr = ctx->x_expr),
121			var_names, var_values,
122			NULL, NULL, NULL, NULL, NULL, 0, ctx);
123		✗	ctx->x = var_values[VAR_X] = res;
124		✗	if ((ret = av_expr_parse_and_eval(&res, (expr = ctx->y_expr),
125			var_names, var_values,
126			NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
127		✗	return ret;
128		✗	ctx->y = var_values[VAR_Y] = res;
129			/* evaluate x again, as it may depend on the evaluated y value */
130		✗	if ((ret = av_expr_parse_and_eval(&res, (expr = ctx->x_expr),
131			var_names, var_values,
132			NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
133		✗	return ret;
134		✗	ctx->x = var_values[VAR_X] = res;
135
136		✗	if (ctx->x < 0 || ctx->x + inlink->w > ctx->w)
137		✗	ctx->x = var_values[VAR_X] = (ctx->w - inlink->w) / 2;
138		✗	if (ctx->y < 0 || ctx->y + inlink->h > ctx->h)
139		✗	ctx->y = var_values[VAR_Y] = (ctx->h - inlink->h) / 2;
140
141			/* sanity check params */
142		✗	if (ctx->w < inlink->w || ctx->h < inlink->h) {
143		✗	av_log(ctx, AV_LOG_ERROR, "Padded dimensions cannot be smaller than input dimensions.\n");
144		✗	return AVERROR(EINVAL);
145			}
146
147		✗	if (ctx->w > avctx->inputs[0]->w) {
148		✗	vpp_ctx->output_width = ctx->w;
149			} else {
150		✗	vpp_ctx->output_width = avctx->inputs[0]->w;
151			}
152
153		✗	if (ctx->h > avctx->inputs[0]->h) {
154		✗	vpp_ctx->output_height = ctx->h;
155			} else {
156		✗	vpp_ctx->output_height = avctx->inputs[0]->h;
157			}
158
159		✗	if (ctx->x + avctx->inputs[0]->w > vpp_ctx->output_width ||
160		✗	ctx->y + avctx->inputs[0]->h > vpp_ctx->output_height) {
161		✗	return AVERROR(EINVAL);
162			}
163
164		✗	err = ff_vaapi_vpp_config_output(outlink);
165		✗	if (err < 0)
166		✗	return err;
167
168		✗	return 0;
169			}
170
171		✗	static int pad_vaapi_filter_frame(AVFilterLink *link, AVFrame *input_frame)
172			{
173		✗	AVFilterContext *avctx = link->dst;
174		✗	AVFilterLink *outlink = avctx->outputs[0];
175		✗	VAAPIVPPContext *vpp_ctx = avctx->priv;
176		✗	PadVAAPIContext *pad_ctx = avctx->priv;
177		✗	AVFrame *output_frame = NULL;
178			VAProcPipelineParameterBuffer params;
179			int err;
180
181		✗	if (!input_frame->hw_frames_ctx ||
182		✗	vpp_ctx->va_context == VA_INVALID_ID) {
183		✗	err = AVERROR(EINVAL);
184		✗	goto fail;
185			}
186
187		✗	output_frame = ff_get_video_buffer(outlink, outlink->w, outlink->h);
188		✗	if (!output_frame) {
189		✗	err = AVERROR(ENOMEM);
190		✗	goto fail;
191			}
192
193		✗	err = av_frame_copy_props(output_frame, input_frame);
194		✗	if (err < 0)
195		✗	goto fail;
196
197		✗	err = ff_vaapi_vpp_init_params(avctx, &params,
198			input_frame, output_frame);
199		✗	if (err < 0)
200		✗	goto fail;
201
202		✗	pad_ctx->rect.x = pad_ctx->x;
203		✗	pad_ctx->rect.y = pad_ctx->y;
204		✗	pad_ctx->rect.width = link->w;
205		✗	pad_ctx->rect.height = link->h;
206		✗	params.output_region = &pad_ctx->rect;
207
208		✗	params.output_background_color = (pad_ctx->pad_rgba[3] << 24 |
209		✗	pad_ctx->pad_rgba[0] << 16 |
210		✗	pad_ctx->pad_rgba[1] << 8 |
211		✗	pad_ctx->pad_rgba[2]);
212
213		✗	err = ff_vaapi_vpp_render_picture(avctx, &params, output_frame);
214		✗	if (err < 0)
215		✗	goto fail;
216
217		✗	av_frame_free(&input_frame);
218
219		✗	return ff_filter_frame(outlink, output_frame);
220
221		✗	fail:
222		✗	av_frame_free(&input_frame);
223		✗	av_frame_free(&output_frame);
224		✗	return err;
225			}
226
227		✗	static av_cold int pad_vaapi_init(AVFilterContext *avctx)
228			{
229		✗	VAAPIVPPContext *vpp_ctx = avctx->priv;
230
231		✗	ff_vaapi_vpp_ctx_init(avctx);
232		✗	vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit;
233		✗	vpp_ctx->output_format = AV_PIX_FMT_NONE;
234
235		✗	return 0;
236			}
237
238			#define OFFSET(x) offsetof(PadVAAPIContext, x)
239			#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
240
241			static const AVOption pad_vaapi_options[] = {
242			{ "width", "set the pad area width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, 0, 0, FLAGS },
243			{ "w", "set the pad area width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, 0, 0, FLAGS },
244			{ "height", "set the pad area height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, 0, 0, FLAGS },
245			{ "h", "set the pad area height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, 0, 0, FLAGS },
246			{ "x", "set the x offset for the input image position", OFFSET(x_expr), AV_OPT_TYPE_STRING, {.str = "0"}, 0, INT16_MAX, FLAGS },
247			{ "y", "set the y offset for the input image position", OFFSET(y_expr), AV_OPT_TYPE_STRING, {.str = "0"}, 0, INT16_MAX, FLAGS },
248			{ "color", "set the color of the padded area border", OFFSET(pad_rgba), AV_OPT_TYPE_COLOR, { .str = "black" }, 0, 0, FLAGS },
249			{ "aspect", "pad to fit an aspect instead of a resolution", OFFSET(aspect), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, INT16_MAX, FLAGS },
250			{ NULL }
251			};
252
253			AVFILTER_DEFINE_CLASS(pad_vaapi);
254
255			static const AVFilterPad pad_vaapi_inputs[] = {
256			{
257			.name = "default",
258			.type = AVMEDIA_TYPE_VIDEO,
259			.filter_frame = pad_vaapi_filter_frame,
260			.config_props = &ff_vaapi_vpp_config_input,
261			},
262			};
263
264			static const AVFilterPad pad_vaapi_outputs[] = {
265			{
266			.name = "default",
267			.type = AVMEDIA_TYPE_VIDEO,
268			.config_props = &pad_vaapi_config_output,
269			},
270			};
271
272			const AVFilter ff_vf_pad_vaapi = {
273			.name = "pad_vaapi",
274			.description = NULL_IF_CONFIG_SMALL("Pad the input video."),
275			.priv_size = sizeof(PadVAAPIContext),
276			.priv_class = &pad_vaapi_class,
277			.init = &pad_vaapi_init,
278			.uninit = &ff_vaapi_vpp_ctx_uninit,
279			FILTER_INPUTS(pad_vaapi_inputs),
280			FILTER_OUTPUTS(pad_vaapi_outputs),
281			FILTER_QUERY_FUNC2(&ff_vaapi_vpp_query_formats),
282			.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
283			};
284