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/common.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/opt.h"
25 #include "libavutil/pixdesc.h"
31 #include "vaapi_vpp.h"
33 #define MAX_REFERENCES 8
35 typedef struct DeintVAAPIContext {
36 VAAPIVPPContext vpp_ctx; // must be the first field
42 VAProcFilterCapDeinterlacing
43 deint_caps[VAProcDeinterlacingCount];
45 VAProcPipelineCaps pipeline_caps;
49 AVFrame *frame_queue[MAX_REFERENCES];
50 int extra_delay_for_timestamps;
53 static const char *deint_vaapi_mode_name(int mode)
56 #define D(name) case VAProcDeinterlacing ## name: return #name
67 static void deint_vaapi_pipeline_uninit(AVFilterContext *avctx)
69 DeintVAAPIContext *ctx = avctx->priv;
72 for (i = 0; i < ctx->queue_count; i++)
73 av_frame_free(&ctx->frame_queue[i]);
76 ff_vaapi_vpp_pipeline_uninit(avctx);
79 static int deint_vaapi_build_filter_params(AVFilterContext *avctx)
81 VAAPIVPPContext *vpp_ctx = avctx->priv;
82 DeintVAAPIContext *ctx = avctx->priv;
84 VAProcFilterParameterBufferDeinterlacing params;
87 ctx->nb_deint_caps = VAProcDeinterlacingCount;
88 vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display,
90 VAProcFilterDeinterlacing,
93 if (vas != VA_STATUS_SUCCESS) {
94 av_log(avctx, AV_LOG_ERROR, "Failed to query deinterlacing "
95 "caps: %d (%s).\n", vas, vaErrorStr(vas));
99 if (ctx->mode == VAProcDeinterlacingNone) {
100 for (i = 0; i < ctx->nb_deint_caps; i++) {
101 if (ctx->deint_caps[i].type > ctx->mode)
102 ctx->mode = ctx->deint_caps[i].type;
104 av_log(avctx, AV_LOG_VERBOSE, "Picking %d (%s) as default "
105 "deinterlacing mode.\n", ctx->mode,
106 deint_vaapi_mode_name(ctx->mode));
108 for (i = 0; i < ctx->nb_deint_caps; i++) {
109 if (ctx->deint_caps[i].type == ctx->mode)
112 if (i >= ctx->nb_deint_caps) {
113 av_log(avctx, AV_LOG_ERROR, "Deinterlacing mode %d (%s) is "
114 "not supported.\n", ctx->mode,
115 deint_vaapi_mode_name(ctx->mode));
119 params.type = VAProcFilterDeinterlacing;
120 params.algorithm = ctx->mode;
123 vas = ff_vaapi_vpp_make_param_buffers(avctx,
124 VAProcFilterParameterBufferType,
131 vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
133 &vpp_ctx->filter_buffers[0], 1,
134 &ctx->pipeline_caps);
135 if (vas != VA_STATUS_SUCCESS) {
136 av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
137 "caps: %d (%s).\n", vas, vaErrorStr(vas));
141 ctx->extra_delay_for_timestamps = ctx->field_rate == 2 &&
142 ctx->pipeline_caps.num_backward_references == 0;
144 ctx->queue_depth = ctx->pipeline_caps.num_backward_references +
145 ctx->pipeline_caps.num_forward_references +
146 ctx->extra_delay_for_timestamps + 1;
147 if (ctx->queue_depth > MAX_REFERENCES) {
148 av_log(avctx, AV_LOG_ERROR, "Pipeline requires too many "
149 "references (%u forward, %u back).\n",
150 ctx->pipeline_caps.num_forward_references,
151 ctx->pipeline_caps.num_backward_references);
152 return AVERROR(ENOSYS);
158 static int deint_vaapi_config_output(AVFilterLink *outlink)
160 AVFilterLink *inlink = outlink->src->inputs[0];
161 AVFilterContext *avctx = outlink->src;
162 DeintVAAPIContext *ctx = avctx->priv;
165 err = ff_vaapi_vpp_config_output(outlink);
168 outlink->time_base = av_mul_q(inlink->time_base,
169 (AVRational) { 1, ctx->field_rate });
170 outlink->frame_rate = av_mul_q(inlink->frame_rate,
171 (AVRational) { ctx->field_rate, 1 });
176 static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
178 AVFilterContext *avctx = inlink->dst;
179 AVFilterLink *outlink = avctx->outputs[0];
180 VAAPIVPPContext *vpp_ctx = avctx->priv;
181 DeintVAAPIContext *ctx = avctx->priv;
182 AVFrame *output_frame = NULL;
183 VASurfaceID input_surface, output_surface;
184 VASurfaceID backward_references[MAX_REFERENCES];
185 VASurfaceID forward_references[MAX_REFERENCES];
186 VAProcPipelineParameterBuffer params;
187 VAProcFilterParameterBufferDeinterlacing *filter_params;
188 VARectangle input_region;
190 void *filter_params_addr = NULL;
191 int err, i, field, current_frame_index;
193 av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
194 av_get_pix_fmt_name(input_frame->format),
195 input_frame->width, input_frame->height, input_frame->pts);
197 if (ctx->queue_count < ctx->queue_depth) {
198 ctx->frame_queue[ctx->queue_count++] = input_frame;
199 if (ctx->queue_count < ctx->queue_depth) {
200 // Need more reference surfaces before we can continue.
204 av_frame_free(&ctx->frame_queue[0]);
205 for (i = 0; i + 1 < ctx->queue_count; i++)
206 ctx->frame_queue[i] = ctx->frame_queue[i + 1];
207 ctx->frame_queue[i] = input_frame;
210 current_frame_index = ctx->pipeline_caps.num_forward_references;
212 input_frame = ctx->frame_queue[current_frame_index];
213 input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
214 for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
215 forward_references[i] = (VASurfaceID)(uintptr_t)
216 ctx->frame_queue[current_frame_index - i - 1]->data[3];
217 for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
218 backward_references[i] = (VASurfaceID)(uintptr_t)
219 ctx->frame_queue[current_frame_index + i + 1]->data[3];
221 av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for "
222 "deinterlace input.\n", input_surface);
223 av_log(avctx, AV_LOG_DEBUG, "Backward references:");
224 for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
225 av_log(avctx, AV_LOG_DEBUG, " %#x", backward_references[i]);
226 av_log(avctx, AV_LOG_DEBUG, "\n");
227 av_log(avctx, AV_LOG_DEBUG, "Forward references:");
228 for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
229 av_log(avctx, AV_LOG_DEBUG, " %#x", forward_references[i]);
230 av_log(avctx, AV_LOG_DEBUG, "\n");
232 for (field = 0; field < ctx->field_rate; field++) {
233 output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
234 vpp_ctx->output_height);
236 err = AVERROR(ENOMEM);
240 output_surface = (VASurfaceID)(uintptr_t)output_frame->data[3];
241 av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for "
242 "deinterlace output.\n", output_surface);
244 memset(¶ms, 0, sizeof(params));
246 input_region = (VARectangle) {
249 .width = input_frame->width,
250 .height = input_frame->height,
253 params.surface = input_surface;
254 params.surface_region = &input_region;
255 params.surface_color_standard =
256 ff_vaapi_vpp_colour_standard(input_frame->colorspace);
258 params.output_region = NULL;
259 params.output_background_color = 0xff000000;
260 params.output_color_standard = params.surface_color_standard;
262 params.pipeline_flags = 0;
263 params.filter_flags = VA_FRAME_PICTURE;
265 if (!ctx->auto_enable || input_frame->interlaced_frame) {
266 vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
267 &filter_params_addr);
268 if (vas != VA_STATUS_SUCCESS) {
269 av_log(avctx, AV_LOG_ERROR, "Failed to map filter parameter "
270 "buffer: %d (%s).\n", vas, vaErrorStr(vas));
274 filter_params = filter_params_addr;
275 filter_params->flags = 0;
276 if (input_frame->top_field_first) {
277 filter_params->flags |= field ? VA_DEINTERLACING_BOTTOM_FIELD : 0;
279 filter_params->flags |= VA_DEINTERLACING_BOTTOM_FIELD_FIRST;
280 filter_params->flags |= field ? 0 : VA_DEINTERLACING_BOTTOM_FIELD;
282 filter_params_addr = NULL;
283 vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
284 if (vas != VA_STATUS_SUCCESS)
285 av_log(avctx, AV_LOG_ERROR, "Failed to unmap filter parameter "
286 "buffer: %d (%s).\n", vas, vaErrorStr(vas));
288 params.filters = &vpp_ctx->filter_buffers[0];
289 params.num_filters = 1;
291 params.forward_references = forward_references;
292 params.num_forward_references =
293 ctx->pipeline_caps.num_forward_references;
294 params.backward_references = backward_references;
295 params.num_backward_references =
296 ctx->pipeline_caps.num_backward_references;
299 params.filters = NULL;
300 params.num_filters = 0;
303 err = ff_vaapi_vpp_render_picture(avctx, ¶ms, output_surface);
307 err = av_frame_copy_props(output_frame, input_frame);
311 if (ctx->field_rate == 2) {
313 output_frame->pts = 2 * input_frame->pts;
315 output_frame->pts = input_frame->pts +
316 ctx->frame_queue[current_frame_index + 1]->pts;
318 output_frame->interlaced_frame = 0;
320 av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
321 av_get_pix_fmt_name(output_frame->format),
322 output_frame->width, output_frame->height, output_frame->pts);
324 err = ff_filter_frame(outlink, output_frame);
332 if (filter_params_addr)
333 vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
334 av_frame_free(&output_frame);
338 static av_cold int deint_vaapi_init(AVFilterContext *avctx)
340 VAAPIVPPContext *vpp_ctx = avctx->priv;
342 ff_vaapi_vpp_ctx_init(avctx);
343 vpp_ctx->pipeline_uninit = deint_vaapi_pipeline_uninit;
344 vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
345 vpp_ctx->output_format = AV_PIX_FMT_NONE;
350 #define OFFSET(x) offsetof(DeintVAAPIContext, x)
351 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
352 static const AVOption deint_vaapi_options[] = {
353 { "mode", "Deinterlacing mode",
354 OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
355 VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, "mode" },
356 { "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
357 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, "mode" },
358 { "bob", "Use the bob deinterlacing algorithm",
359 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, "mode" },
360 { "weave", "Use the weave deinterlacing algorithm",
361 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS, "mode" },
362 { "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
363 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, "mode" },
364 { "motion_compensated", "Use the motion compensated deinterlacing algorithm",
365 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, "mode" },
367 { "rate", "Generate output at frame rate or field rate",
368 OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, "rate" },
369 { "frame", "Output at frame rate (one frame of output for each field-pair)",
370 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "rate" },
371 { "field", "Output at field rate (one frame of output for each field)",
372 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, "rate" },
374 { "auto", "Only deinterlace fields, passing frames through unchanged",
375 OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
380 static const AVClass deint_vaapi_class = {
381 .class_name = "deinterlace_vaapi",
382 .item_name = av_default_item_name,
383 .option = deint_vaapi_options,
384 .version = LIBAVUTIL_VERSION_INT,
387 static const AVFilterPad deint_vaapi_inputs[] = {
390 .type = AVMEDIA_TYPE_VIDEO,
391 .filter_frame = &deint_vaapi_filter_frame,
392 .config_props = &ff_vaapi_vpp_config_input,
397 static const AVFilterPad deint_vaapi_outputs[] = {
400 .type = AVMEDIA_TYPE_VIDEO,
401 .config_props = &deint_vaapi_config_output,
406 AVFilter ff_vf_deinterlace_vaapi = {
407 .name = "deinterlace_vaapi",
408 .description = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
409 .priv_size = sizeof(DeintVAAPIContext),
410 .init = &deint_vaapi_init,
411 .uninit = &ff_vaapi_vpp_ctx_uninit,
412 .query_formats = &ff_vaapi_vpp_query_formats,
413 .inputs = deint_vaapi_inputs,
414 .outputs = deint_vaapi_outputs,
415 .priv_class = &deint_vaapi_class,
416 .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,