2 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavutil/avassert.h"
22 #include "libavutil/mem.h"
23 #include "libavutil/opt.h"
24 #include "libavutil/pixdesc.h"
31 #include "vaapi_vpp.h"
33 typedef struct ScaleVAAPIContext {
34 VAAPIVPPContext vpp_ctx; // must be the first field
36 char *output_format_string;
40 char *w_expr; // width expression string
41 char *h_expr; // height expression string
43 char *colour_primaries_string;
44 char *colour_transfer_string;
45 char *colour_matrix_string;
47 char *chroma_location_string;
49 enum AVColorPrimaries colour_primaries;
50 enum AVColorTransferCharacteristic colour_transfer;
51 enum AVColorSpace colour_matrix;
52 enum AVChromaLocation chroma_location;
55 static const char *scale_vaapi_mode_name(int mode)
58 #define D(name) case VA_FILTER_SCALING_ ## name: return #name
70 static int scale_vaapi_config_output(AVFilterLink *outlink)
72 AVFilterLink *inlink = outlink->src->inputs[0];
73 AVFilterContext *avctx = outlink->src;
74 VAAPIVPPContext *vpp_ctx = avctx->priv;
75 ScaleVAAPIContext *ctx = avctx->priv;
78 if ((err = ff_scale_eval_dimensions(ctx,
79 ctx->w_expr, ctx->h_expr,
81 &vpp_ctx->output_width, &vpp_ctx->output_height)) < 0)
84 err = ff_vaapi_vpp_config_output(outlink);
88 if (inlink->sample_aspect_ratio.num)
89 outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
91 outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
96 static int scale_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
98 AVFilterContext *avctx = inlink->dst;
99 AVFilterLink *outlink = avctx->outputs[0];
100 VAAPIVPPContext *vpp_ctx = avctx->priv;
101 ScaleVAAPIContext *ctx = avctx->priv;
102 AVFrame *output_frame = NULL;
103 VAProcPipelineParameterBuffer params;
106 av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
107 av_get_pix_fmt_name(input_frame->format),
108 input_frame->width, input_frame->height, input_frame->pts);
110 if (vpp_ctx->va_context == VA_INVALID_ID)
111 return AVERROR(EINVAL);
113 output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
114 vpp_ctx->output_height);
116 err = AVERROR(ENOMEM);
120 err = av_frame_copy_props(output_frame, input_frame);
124 if (ctx->colour_primaries != AVCOL_PRI_UNSPECIFIED)
125 output_frame->color_primaries = ctx->colour_primaries;
126 if (ctx->colour_transfer != AVCOL_TRC_UNSPECIFIED)
127 output_frame->color_trc = ctx->colour_transfer;
128 if (ctx->colour_matrix != AVCOL_SPC_UNSPECIFIED)
129 output_frame->colorspace = ctx->colour_matrix;
130 if (ctx->colour_range != AVCOL_RANGE_UNSPECIFIED)
131 output_frame->color_range = ctx->colour_range;
132 if (ctx->chroma_location != AVCHROMA_LOC_UNSPECIFIED)
133 output_frame->chroma_location = ctx->chroma_location;
135 err = ff_vaapi_vpp_init_params(avctx, ¶ms,
136 input_frame, output_frame);
140 params.filter_flags |= ctx->mode;
142 err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_frame);
146 av_frame_free(&input_frame);
148 av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64"), mode: %s.\n",
149 av_get_pix_fmt_name(output_frame->format),
150 output_frame->width, output_frame->height, output_frame->pts,
151 scale_vaapi_mode_name(ctx->mode));
153 return ff_filter_frame(outlink, output_frame);
156 av_frame_free(&input_frame);
157 av_frame_free(&output_frame);
161 static av_cold int scale_vaapi_init(AVFilterContext *avctx)
163 VAAPIVPPContext *vpp_ctx = avctx->priv;
164 ScaleVAAPIContext *ctx = avctx->priv;
166 ff_vaapi_vpp_ctx_init(avctx);
167 vpp_ctx->pipeline_uninit = ff_vaapi_vpp_pipeline_uninit;
169 if (ctx->output_format_string) {
170 vpp_ctx->output_format = av_get_pix_fmt(ctx->output_format_string);
171 if (vpp_ctx->output_format == AV_PIX_FMT_NONE) {
172 av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
173 return AVERROR(EINVAL);
176 // Use the input format once that is configured.
177 vpp_ctx->output_format = AV_PIX_FMT_NONE;
180 #define STRING_OPTION(var_name, func_name, default_value) do { \
181 if (ctx->var_name ## _string) { \
182 int var = av_ ## func_name ## _from_name(ctx->var_name ## _string); \
184 av_log(avctx, AV_LOG_ERROR, "Invalid %s.\n", #var_name); \
185 return AVERROR(EINVAL); \
187 ctx->var_name = var; \
189 ctx->var_name = default_value; \
193 STRING_OPTION(colour_primaries, color_primaries, AVCOL_PRI_UNSPECIFIED);
194 STRING_OPTION(colour_transfer, color_transfer, AVCOL_TRC_UNSPECIFIED);
195 STRING_OPTION(colour_matrix, color_space, AVCOL_SPC_UNSPECIFIED);
196 STRING_OPTION(chroma_location, chroma_location, AVCHROMA_LOC_UNSPECIFIED);
201 #define OFFSET(x) offsetof(ScaleVAAPIContext, x)
202 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
203 static const AVOption scale_vaapi_options[] = {
204 { "w", "Output video width",
205 OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
206 { "h", "Output video height",
207 OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
208 { "format", "Output video format (software format of hardware frames)",
209 OFFSET(output_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
210 { "mode", "Scaling mode",
211 OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VA_FILTER_SCALING_HQ },
212 0, VA_FILTER_SCALING_NL_ANAMORPHIC, FLAGS, "mode" },
213 { "default", "Use the default (depend on the driver) scaling algorithm",
214 0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_DEFAULT }, 0, 0, FLAGS, "mode" },
215 { "fast", "Use fast scaling algorithm",
216 0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_FAST }, 0, 0, FLAGS, "mode" },
217 { "hq", "Use high quality scaling algorithm",
218 0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_HQ }, 0, 0, FLAGS, "mode" },
219 { "nl_anamorphic", "Use nolinear anamorphic scaling algorithm",
220 0, AV_OPT_TYPE_CONST, { .i64 = VA_FILTER_SCALING_NL_ANAMORPHIC }, 0, 0, FLAGS, "mode" },
222 // These colour properties match the ones of the same name in vf_scale.
223 { "out_color_matrix", "Output colour matrix coefficient set",
224 OFFSET(colour_matrix_string), AV_OPT_TYPE_STRING, { .str = NULL }, .flags = FLAGS },
225 { "out_range", "Output colour range",
226 OFFSET(colour_range), AV_OPT_TYPE_INT, { .i64 = AVCOL_RANGE_UNSPECIFIED },
227 AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, FLAGS, "range" },
228 { "full", "Full range",
229 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
230 { "limited", "Limited range",
231 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
232 { "jpeg", "Full range",
233 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
234 { "mpeg", "Limited range",
235 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
236 { "tv", "Limited range",
237 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
238 { "pc", "Full range",
239 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
240 // These colour properties are new here.
241 { "out_color_primaries", "Output colour primaries",
242 OFFSET(colour_primaries_string), AV_OPT_TYPE_STRING,
243 { .str = NULL }, .flags = FLAGS },
244 { "out_color_transfer", "Output colour transfer characteristics",
245 OFFSET(colour_transfer_string), AV_OPT_TYPE_STRING,
246 { .str = NULL }, .flags = FLAGS },
247 { "out_chroma_location", "Output chroma sample location",
248 OFFSET(chroma_location_string), AV_OPT_TYPE_STRING,
249 { .str = NULL }, .flags = FLAGS },
254 AVFILTER_DEFINE_CLASS(scale_vaapi);
256 static const AVFilterPad scale_vaapi_inputs[] = {
259 .type = AVMEDIA_TYPE_VIDEO,
260 .filter_frame = &scale_vaapi_filter_frame,
261 .config_props = &ff_vaapi_vpp_config_input,
266 static const AVFilterPad scale_vaapi_outputs[] = {
269 .type = AVMEDIA_TYPE_VIDEO,
270 .config_props = &scale_vaapi_config_output,
275 AVFilter ff_vf_scale_vaapi = {
276 .name = "scale_vaapi",
277 .description = NULL_IF_CONFIG_SMALL("Scale to/from VAAPI surfaces."),
278 .priv_size = sizeof(ScaleVAAPIContext),
279 .init = &scale_vaapi_init,
280 .uninit = &ff_vaapi_vpp_ctx_uninit,
281 .query_formats = &ff_vaapi_vpp_query_formats,
282 .inputs = scale_vaapi_inputs,
283 .outputs = scale_vaapi_outputs,
284 .priv_class = &scale_vaapi_class,
285 .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,