FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_deinterlace_vaapi.c
Date: 2024-04-12 08:31:17
Exec Total Coverage
Lines: 0 186 0.0%
Functions: 0 7 0.0%
Branches: 0 93 0.0%

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 <string.h>
20
21 #include "libavutil/common.h"
22 #include "libavutil/opt.h"
23 #include "libavutil/pixdesc.h"
24
25 #include "avfilter.h"
26 #include "internal.h"
27 #include "video.h"
28 #include "vaapi_vpp.h"
29
30 #define MAX_REFERENCES 8
31
32 typedef struct DeintVAAPIContext {
33 VAAPIVPPContext vpp_ctx; // must be the first field
34
35 int mode;
36 int field_rate;
37 int auto_enable;
38
39 VAProcFilterCapDeinterlacing
40 deint_caps[VAProcDeinterlacingCount];
41 int nb_deint_caps;
42 VAProcPipelineCaps pipeline_caps;
43
44 int queue_depth;
45 int queue_count;
46 AVFrame *frame_queue[MAX_REFERENCES];
47 int extra_delay_for_timestamps;
48
49 int eof;
50 int prev_pts;
51 } DeintVAAPIContext;
52
53 static const char *deint_vaapi_mode_name(int mode)
54 {
55 switch (mode) {
56 #define D(name) case VAProcDeinterlacing ## name: return #name
57 D(Bob);
58 D(Weave);
59 D(MotionAdaptive);
60 D(MotionCompensated);
61 #undef D
62 default:
63 return "Invalid";
64 }
65 }
66
67 static void deint_vaapi_pipeline_uninit(AVFilterContext *avctx)
68 {
69 DeintVAAPIContext *ctx = avctx->priv;
70 int i;
71
72 for (i = 0; i < ctx->queue_count; i++)
73 av_frame_free(&ctx->frame_queue[i]);
74 ctx->queue_count = 0;
75
76 ff_vaapi_vpp_pipeline_uninit(avctx);
77 }
78
79 static int deint_vaapi_build_filter_params(AVFilterContext *avctx)
80 {
81 VAAPIVPPContext *vpp_ctx = avctx->priv;
82 DeintVAAPIContext *ctx = avctx->priv;
83 VAStatus vas;
84 VAProcFilterParameterBufferDeinterlacing params;
85 int i;
86
87 ctx->nb_deint_caps = VAProcDeinterlacingCount;
88 vas = vaQueryVideoProcFilterCaps(vpp_ctx->hwctx->display,
89 vpp_ctx->va_context,
90 VAProcFilterDeinterlacing,
91 &ctx->deint_caps,
92 &ctx->nb_deint_caps);
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));
96 return AVERROR(EIO);
97 }
98
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;
103 }
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));
107 } else {
108 for (i = 0; i < ctx->nb_deint_caps; i++) {
109 if (ctx->deint_caps[i].type == ctx->mode)
110 break;
111 }
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));
116 return AVERROR(EINVAL);
117 }
118 }
119
120 params.type = VAProcFilterDeinterlacing;
121 params.algorithm = ctx->mode;
122 params.flags = 0;
123
124 vas = ff_vaapi_vpp_make_param_buffers(avctx,
125 VAProcFilterParameterBufferType,
126 &params,
127 sizeof(params),
128 1);
129 if (vas)
130 return vas;
131
132 vas = vaQueryVideoProcPipelineCaps(vpp_ctx->hwctx->display,
133 vpp_ctx->va_context,
134 &vpp_ctx->filter_buffers[0], 1,
135 &ctx->pipeline_caps);
136 if (vas != VA_STATUS_SUCCESS) {
137 av_log(avctx, AV_LOG_ERROR, "Failed to query pipeline "
138 "caps: %d (%s).\n", vas, vaErrorStr(vas));
139 return AVERROR(EIO);
140 }
141
142 ctx->extra_delay_for_timestamps = ctx->field_rate == 2 &&
143 ctx->pipeline_caps.num_backward_references == 0;
144
145 ctx->queue_depth = ctx->pipeline_caps.num_backward_references +
146 ctx->pipeline_caps.num_forward_references +
147 ctx->extra_delay_for_timestamps + 1;
148 if (ctx->queue_depth > MAX_REFERENCES) {
149 av_log(avctx, AV_LOG_ERROR, "Pipeline requires too many "
150 "references (%u forward, %u back).\n",
151 ctx->pipeline_caps.num_forward_references,
152 ctx->pipeline_caps.num_backward_references);
153 return AVERROR(ENOSYS);
154 }
155
156 return 0;
157 }
158
159 static int deint_vaapi_config_output(AVFilterLink *outlink)
160 {
161 AVFilterLink *inlink = outlink->src->inputs[0];
162 AVFilterContext *avctx = outlink->src;
163 DeintVAAPIContext *ctx = avctx->priv;
164 int err;
165
166 err = ff_vaapi_vpp_config_output(outlink);
167 if (err < 0)
168 return err;
169 outlink->time_base = av_mul_q(inlink->time_base,
170 (AVRational) { 1, ctx->field_rate });
171 outlink->frame_rate = av_mul_q(inlink->frame_rate,
172 (AVRational) { ctx->field_rate, 1 });
173
174 return 0;
175 }
176
177 static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
178 {
179 AVFilterContext *avctx = inlink->dst;
180 AVFilterLink *outlink = avctx->outputs[0];
181 VAAPIVPPContext *vpp_ctx = avctx->priv;
182 DeintVAAPIContext *ctx = avctx->priv;
183 AVFrame *output_frame = NULL;
184 VASurfaceID input_surface;
185 VASurfaceID backward_references[MAX_REFERENCES];
186 VASurfaceID forward_references[MAX_REFERENCES];
187 VAProcPipelineParameterBuffer params;
188 VAProcFilterParameterBufferDeinterlacing *filter_params;
189 VAStatus vas;
190 void *filter_params_addr = NULL;
191 int err, i, field, current_frame_index;
192
193 // NULL frame is used to flush the queue in field mode
194 if (input_frame)
195 av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
196 av_get_pix_fmt_name(input_frame->format),
197 input_frame->width, input_frame->height, input_frame->pts);
198
199 if (ctx->queue_count < ctx->queue_depth) {
200 ctx->frame_queue[ctx->queue_count++] = input_frame;
201 if (ctx->queue_count < ctx->queue_depth) {
202 // Need more reference surfaces before we can continue.
203 return 0;
204 }
205 } else {
206 av_frame_free(&ctx->frame_queue[0]);
207 for (i = 0; i + 1 < ctx->queue_count; i++)
208 ctx->frame_queue[i] = ctx->frame_queue[i + 1];
209 ctx->frame_queue[i] = input_frame;
210 }
211
212 current_frame_index = ctx->pipeline_caps.num_forward_references;
213
214 input_frame = ctx->frame_queue[current_frame_index];
215 if (!input_frame)
216 return 0;
217
218 input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
219 for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
220 forward_references[i] = (VASurfaceID)(uintptr_t)
221 ctx->frame_queue[current_frame_index - i - 1]->data[3];
222 for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
223 backward_references[i] = (VASurfaceID)(uintptr_t)
224 ctx->frame_queue[current_frame_index + i + 1]->data[3];
225
226 av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for "
227 "deinterlace input.\n", input_surface);
228 av_log(avctx, AV_LOG_DEBUG, "Backward references:");
229 for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
230 av_log(avctx, AV_LOG_DEBUG, " %#x", backward_references[i]);
231 av_log(avctx, AV_LOG_DEBUG, "\n");
232 av_log(avctx, AV_LOG_DEBUG, "Forward references:");
233 for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
234 av_log(avctx, AV_LOG_DEBUG, " %#x", forward_references[i]);
235 av_log(avctx, AV_LOG_DEBUG, "\n");
236
237 for (field = 0; field < ctx->field_rate; field++) {
238 output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
239 vpp_ctx->output_height);
240 if (!output_frame) {
241 err = AVERROR(ENOMEM);
242 goto fail;
243 }
244
245 err = av_frame_copy_props(output_frame, input_frame);
246 if (err < 0)
247 goto fail;
248
249 err = ff_vaapi_vpp_init_params(avctx, &params,
250 input_frame, output_frame);
251 if (err < 0)
252 goto fail;
253
254 if (!ctx->auto_enable || (input_frame->flags & AV_FRAME_FLAG_INTERLACED)) {
255 vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
256 &filter_params_addr);
257 if (vas != VA_STATUS_SUCCESS) {
258 av_log(avctx, AV_LOG_ERROR, "Failed to map filter parameter "
259 "buffer: %d (%s).\n", vas, vaErrorStr(vas));
260 err = AVERROR(EIO);
261 goto fail;
262 }
263 filter_params = filter_params_addr;
264 filter_params->flags = 0;
265 if (input_frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST) {
266 filter_params->flags |= field ? VA_DEINTERLACING_BOTTOM_FIELD : 0;
267 } else {
268 filter_params->flags |= VA_DEINTERLACING_BOTTOM_FIELD_FIRST;
269 filter_params->flags |= field ? 0 : VA_DEINTERLACING_BOTTOM_FIELD;
270 }
271 filter_params_addr = NULL;
272 vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
273 if (vas != VA_STATUS_SUCCESS)
274 av_log(avctx, AV_LOG_ERROR, "Failed to unmap filter parameter "
275 "buffer: %d (%s).\n", vas, vaErrorStr(vas));
276
277 params.filters = &vpp_ctx->filter_buffers[0];
278 params.num_filters = 1;
279
280 params.forward_references = forward_references;
281 params.num_forward_references =
282 ctx->pipeline_caps.num_forward_references;
283 params.backward_references = backward_references;
284 params.num_backward_references =
285 ctx->pipeline_caps.num_backward_references;
286
287 } else {
288 params.filters = NULL;
289 params.num_filters = 0;
290 }
291
292 err = ff_vaapi_vpp_render_picture(avctx, &params, output_frame);
293 if (err < 0)
294 goto fail;
295
296 if (ctx->field_rate == 2) {
297 if (field == 0)
298 output_frame->pts = 2 * input_frame->pts;
299 else if (ctx->eof)
300 output_frame->pts = 3 * input_frame->pts - ctx->prev_pts;
301 else
302 output_frame->pts = input_frame->pts +
303 ctx->frame_queue[current_frame_index + 1]->pts;
304 }
305 #if FF_API_INTERLACED_FRAME
306 FF_DISABLE_DEPRECATION_WARNINGS
307 output_frame->interlaced_frame = 0;
308 FF_ENABLE_DEPRECATION_WARNINGS
309 #endif
310 output_frame->flags &= ~AV_FRAME_FLAG_INTERLACED;
311
312 av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
313 av_get_pix_fmt_name(output_frame->format),
314 output_frame->width, output_frame->height, output_frame->pts);
315
316 err = ff_filter_frame(outlink, output_frame);
317 if (err < 0)
318 break;
319 }
320
321 ctx->prev_pts = input_frame->pts;
322
323 return err;
324
325 fail:
326 if (filter_params_addr)
327 vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
328 av_frame_free(&output_frame);
329 return err;
330 }
331
332 static int deint_vaapi_request_frame(AVFilterLink *link)
333 {
334 AVFilterContext *avctx = link->src;
335 DeintVAAPIContext *ctx = avctx->priv;
336 int ret;
337
338 if (ctx->eof)
339 return AVERROR_EOF;
340
341 ret = ff_request_frame(link->src->inputs[0]);
342 if (ret == AVERROR_EOF && ctx->extra_delay_for_timestamps) {
343 ctx->eof = 1;
344 deint_vaapi_filter_frame(link->src->inputs[0], NULL);
345 } else if (ret < 0)
346 return ret;
347
348 return 0;
349 }
350
351 static av_cold int deint_vaapi_init(AVFilterContext *avctx)
352 {
353 VAAPIVPPContext *vpp_ctx = avctx->priv;
354
355 ff_vaapi_vpp_ctx_init(avctx);
356 vpp_ctx->pipeline_uninit = deint_vaapi_pipeline_uninit;
357 vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
358 vpp_ctx->output_format = AV_PIX_FMT_NONE;
359
360 return 0;
361 }
362
363 #define OFFSET(x) offsetof(DeintVAAPIContext, x)
364 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
365 static const AVOption deint_vaapi_options[] = {
366 { "mode", "Deinterlacing mode",
367 OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
368 VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, .unit = "mode" },
369 { "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
370 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, .unit = "mode" },
371 { "bob", "Use the bob deinterlacing algorithm",
372 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, .unit = "mode" },
373 { "weave", "Use the weave deinterlacing algorithm",
374 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS, .unit = "mode" },
375 { "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
376 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, .unit = "mode" },
377 { "motion_compensated", "Use the motion compensated deinterlacing algorithm",
378 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, .unit = "mode" },
379
380 { "rate", "Generate output at frame rate or field rate",
381 OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, .unit = "rate" },
382 { "frame", "Output at frame rate (one frame of output for each field-pair)",
383 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, .unit = "rate" },
384 { "field", "Output at field rate (one frame of output for each field)",
385 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, .unit = "rate" },
386
387 { "auto", "Only deinterlace fields, passing frames through unchanged",
388 OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
389
390 { NULL },
391 };
392
393 static const AVClass deint_vaapi_class = {
394 .class_name = "deinterlace_vaapi",
395 .item_name = av_default_item_name,
396 .option = deint_vaapi_options,
397 .version = LIBAVUTIL_VERSION_INT,
398 };
399
400 static const AVFilterPad deint_vaapi_inputs[] = {
401 {
402 .name = "default",
403 .type = AVMEDIA_TYPE_VIDEO,
404 .filter_frame = &deint_vaapi_filter_frame,
405 .config_props = &ff_vaapi_vpp_config_input,
406 },
407 };
408
409 static const AVFilterPad deint_vaapi_outputs[] = {
410 {
411 .name = "default",
412 .type = AVMEDIA_TYPE_VIDEO,
413 .request_frame = &deint_vaapi_request_frame,
414 .config_props = &deint_vaapi_config_output,
415 },
416 };
417
418 const AVFilter ff_vf_deinterlace_vaapi = {
419 .name = "deinterlace_vaapi",
420 .description = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
421 .priv_size = sizeof(DeintVAAPIContext),
422 .init = &deint_vaapi_init,
423 .uninit = &ff_vaapi_vpp_ctx_uninit,
424 FILTER_INPUTS(deint_vaapi_inputs),
425 FILTER_OUTPUTS(deint_vaapi_outputs),
426 FILTER_QUERY_FUNC(&ff_vaapi_vpp_query_formats),
427 .priv_class = &deint_vaapi_class,
428 .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
429 };
430