FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_deinterlace_vaapi.c
Date: 2024-09-07 18:49:03
Exec Total Coverage
Lines: 0 188 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 "filters.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 FilterLink *outl = ff_filter_link(outlink);
162 AVFilterLink *inlink = outlink->src->inputs[0];
163 FilterLink *inl = ff_filter_link(inlink);
164 AVFilterContext *avctx = outlink->src;
165 DeintVAAPIContext *ctx = avctx->priv;
166 int err;
167
168 err = ff_vaapi_vpp_config_output(outlink);
169 if (err < 0)
170 return err;
171 outlink->time_base = av_mul_q(inlink->time_base,
172 (AVRational) { 1, ctx->field_rate });
173 outl->frame_rate = av_mul_q(inl->frame_rate,
174 (AVRational) { ctx->field_rate, 1 });
175
176 return 0;
177 }
178
179 static int deint_vaapi_filter_frame(AVFilterLink *inlink, AVFrame *input_frame)
180 {
181 AVFilterContext *avctx = inlink->dst;
182 AVFilterLink *outlink = avctx->outputs[0];
183 VAAPIVPPContext *vpp_ctx = avctx->priv;
184 DeintVAAPIContext *ctx = avctx->priv;
185 AVFrame *output_frame = NULL;
186 VASurfaceID input_surface;
187 VASurfaceID backward_references[MAX_REFERENCES];
188 VASurfaceID forward_references[MAX_REFERENCES];
189 VAProcPipelineParameterBuffer params;
190 VAProcFilterParameterBufferDeinterlacing *filter_params;
191 VAStatus vas;
192 void *filter_params_addr = NULL;
193 int err, i, field, current_frame_index;
194
195 // NULL frame is used to flush the queue in field mode
196 if (input_frame)
197 av_log(avctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
198 av_get_pix_fmt_name(input_frame->format),
199 input_frame->width, input_frame->height, input_frame->pts);
200
201 if (ctx->queue_count < ctx->queue_depth) {
202 ctx->frame_queue[ctx->queue_count++] = input_frame;
203 if (ctx->queue_count < ctx->queue_depth) {
204 // Need more reference surfaces before we can continue.
205 return 0;
206 }
207 } else {
208 av_frame_free(&ctx->frame_queue[0]);
209 for (i = 0; i + 1 < ctx->queue_count; i++)
210 ctx->frame_queue[i] = ctx->frame_queue[i + 1];
211 ctx->frame_queue[i] = input_frame;
212 }
213
214 current_frame_index = ctx->pipeline_caps.num_forward_references;
215
216 input_frame = ctx->frame_queue[current_frame_index];
217 if (!input_frame)
218 return 0;
219
220 input_surface = (VASurfaceID)(uintptr_t)input_frame->data[3];
221 for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
222 forward_references[i] = (VASurfaceID)(uintptr_t)
223 ctx->frame_queue[current_frame_index - i - 1]->data[3];
224 for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
225 backward_references[i] = (VASurfaceID)(uintptr_t)
226 ctx->frame_queue[current_frame_index + i + 1]->data[3];
227
228 av_log(avctx, AV_LOG_DEBUG, "Using surface %#x for "
229 "deinterlace input.\n", input_surface);
230 av_log(avctx, AV_LOG_DEBUG, "Backward references:");
231 for (i = 0; i < ctx->pipeline_caps.num_backward_references; i++)
232 av_log(avctx, AV_LOG_DEBUG, " %#x", backward_references[i]);
233 av_log(avctx, AV_LOG_DEBUG, "\n");
234 av_log(avctx, AV_LOG_DEBUG, "Forward references:");
235 for (i = 0; i < ctx->pipeline_caps.num_forward_references; i++)
236 av_log(avctx, AV_LOG_DEBUG, " %#x", forward_references[i]);
237 av_log(avctx, AV_LOG_DEBUG, "\n");
238
239 for (field = 0; field < ctx->field_rate; field++) {
240 output_frame = ff_get_video_buffer(outlink, vpp_ctx->output_width,
241 vpp_ctx->output_height);
242 if (!output_frame) {
243 err = AVERROR(ENOMEM);
244 goto fail;
245 }
246
247 err = av_frame_copy_props(output_frame, input_frame);
248 if (err < 0)
249 goto fail;
250
251 err = ff_vaapi_vpp_init_params(avctx, &params,
252 input_frame, output_frame);
253 if (err < 0)
254 goto fail;
255
256 if (!ctx->auto_enable || (input_frame->flags & AV_FRAME_FLAG_INTERLACED)) {
257 vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
258 &filter_params_addr);
259 if (vas != VA_STATUS_SUCCESS) {
260 av_log(avctx, AV_LOG_ERROR, "Failed to map filter parameter "
261 "buffer: %d (%s).\n", vas, vaErrorStr(vas));
262 err = AVERROR(EIO);
263 goto fail;
264 }
265 filter_params = filter_params_addr;
266 filter_params->flags = 0;
267 if (input_frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST) {
268 filter_params->flags |= field ? VA_DEINTERLACING_BOTTOM_FIELD : 0;
269 } else {
270 filter_params->flags |= VA_DEINTERLACING_BOTTOM_FIELD_FIRST;
271 filter_params->flags |= field ? 0 : VA_DEINTERLACING_BOTTOM_FIELD;
272 }
273 filter_params_addr = NULL;
274 vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
275 if (vas != VA_STATUS_SUCCESS)
276 av_log(avctx, AV_LOG_ERROR, "Failed to unmap filter parameter "
277 "buffer: %d (%s).\n", vas, vaErrorStr(vas));
278
279 params.filters = &vpp_ctx->filter_buffers[0];
280 params.num_filters = 1;
281
282 params.forward_references = forward_references;
283 params.num_forward_references =
284 ctx->pipeline_caps.num_forward_references;
285 params.backward_references = backward_references;
286 params.num_backward_references =
287 ctx->pipeline_caps.num_backward_references;
288
289 } else {
290 params.filters = NULL;
291 params.num_filters = 0;
292 }
293
294 err = ff_vaapi_vpp_render_picture(avctx, &params, output_frame);
295 if (err < 0)
296 goto fail;
297
298 if (ctx->field_rate == 2) {
299 if (field == 0)
300 output_frame->pts = 2 * input_frame->pts;
301 else if (ctx->eof)
302 output_frame->pts = 3 * input_frame->pts - ctx->prev_pts;
303 else
304 output_frame->pts = input_frame->pts +
305 ctx->frame_queue[current_frame_index + 1]->pts;
306 }
307 #if FF_API_INTERLACED_FRAME
308 FF_DISABLE_DEPRECATION_WARNINGS
309 output_frame->interlaced_frame = 0;
310 FF_ENABLE_DEPRECATION_WARNINGS
311 #endif
312 output_frame->flags &= ~AV_FRAME_FLAG_INTERLACED;
313
314 av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
315 av_get_pix_fmt_name(output_frame->format),
316 output_frame->width, output_frame->height, output_frame->pts);
317
318 err = ff_filter_frame(outlink, output_frame);
319 if (err < 0)
320 break;
321 }
322
323 ctx->prev_pts = input_frame->pts;
324
325 return err;
326
327 fail:
328 if (filter_params_addr)
329 vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
330 av_frame_free(&output_frame);
331 return err;
332 }
333
334 static int deint_vaapi_request_frame(AVFilterLink *link)
335 {
336 AVFilterContext *avctx = link->src;
337 DeintVAAPIContext *ctx = avctx->priv;
338 int ret;
339
340 if (ctx->eof)
341 return AVERROR_EOF;
342
343 ret = ff_request_frame(link->src->inputs[0]);
344 if (ret == AVERROR_EOF && ctx->extra_delay_for_timestamps) {
345 ctx->eof = 1;
346 deint_vaapi_filter_frame(link->src->inputs[0], NULL);
347 } else if (ret < 0)
348 return ret;
349
350 return 0;
351 }
352
353 static av_cold int deint_vaapi_init(AVFilterContext *avctx)
354 {
355 VAAPIVPPContext *vpp_ctx = avctx->priv;
356
357 ff_vaapi_vpp_ctx_init(avctx);
358 vpp_ctx->pipeline_uninit = deint_vaapi_pipeline_uninit;
359 vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
360 vpp_ctx->output_format = AV_PIX_FMT_NONE;
361
362 return 0;
363 }
364
365 #define OFFSET(x) offsetof(DeintVAAPIContext, x)
366 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
367 static const AVOption deint_vaapi_options[] = {
368 { "mode", "Deinterlacing mode",
369 OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
370 VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, .unit = "mode" },
371 { "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
372 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, .unit = "mode" },
373 { "bob", "Use the bob deinterlacing algorithm",
374 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, .unit = "mode" },
375 { "weave", "Use the weave deinterlacing algorithm",
376 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS, .unit = "mode" },
377 { "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
378 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, .unit = "mode" },
379 { "motion_compensated", "Use the motion compensated deinterlacing algorithm",
380 0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, .unit = "mode" },
381
382 { "rate", "Generate output at frame rate or field rate",
383 OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, .unit = "rate" },
384 { "frame", "Output at frame rate (one frame of output for each field-pair)",
385 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, .unit = "rate" },
386 { "field", "Output at field rate (one frame of output for each field)",
387 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, .unit = "rate" },
388
389 { "auto", "Only deinterlace fields, passing frames through unchanged",
390 OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
391
392 { NULL },
393 };
394
395 static const AVClass deint_vaapi_class = {
396 .class_name = "deinterlace_vaapi",
397 .item_name = av_default_item_name,
398 .option = deint_vaapi_options,
399 .version = LIBAVUTIL_VERSION_INT,
400 };
401
402 static const AVFilterPad deint_vaapi_inputs[] = {
403 {
404 .name = "default",
405 .type = AVMEDIA_TYPE_VIDEO,
406 .filter_frame = &deint_vaapi_filter_frame,
407 .config_props = &ff_vaapi_vpp_config_input,
408 },
409 };
410
411 static const AVFilterPad deint_vaapi_outputs[] = {
412 {
413 .name = "default",
414 .type = AVMEDIA_TYPE_VIDEO,
415 .request_frame = &deint_vaapi_request_frame,
416 .config_props = &deint_vaapi_config_output,
417 },
418 };
419
420 const AVFilter ff_vf_deinterlace_vaapi = {
421 .name = "deinterlace_vaapi",
422 .description = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
423 .priv_size = sizeof(DeintVAAPIContext),
424 .init = &deint_vaapi_init,
425 .uninit = &ff_vaapi_vpp_ctx_uninit,
426 FILTER_INPUTS(deint_vaapi_inputs),
427 FILTER_OUTPUTS(deint_vaapi_outputs),
428 FILTER_QUERY_FUNC(&ff_vaapi_vpp_query_formats),
429 .priv_class = &deint_vaapi_class,
430 .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
431 };
432