FFmpeg coverage

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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		✗	output_frame->flags &= ~AV_FRAME_FLAG_INTERLACED;
308
309		✗	av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
310		✗	av_get_pix_fmt_name(output_frame->format),
311		✗	output_frame->width, output_frame->height, output_frame->pts);
312
313		✗	err = ff_filter_frame(outlink, output_frame);
314		✗	if (err < 0)
315		✗	break;
316			}
317
318		✗	ctx->prev_pts = input_frame->pts;
319
320		✗	return err;
321
322		✗	fail:
323		✗	if (filter_params_addr)
324		✗	vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
325		✗	av_frame_free(&output_frame);
326		✗	return err;
327			}
328
329		✗	static int deint_vaapi_request_frame(AVFilterLink *link)
330			{
331		✗	AVFilterContext *avctx = link->src;
332		✗	DeintVAAPIContext *ctx = avctx->priv;
333			int ret;
334
335		✗	if (ctx->eof)
336		✗	return AVERROR_EOF;
337
338		✗	ret = ff_request_frame(link->src->inputs[0]);
339		✗	if (ret == AVERROR_EOF && ctx->extra_delay_for_timestamps) {
340		✗	ctx->eof = 1;
341		✗	deint_vaapi_filter_frame(link->src->inputs[0], NULL);
342		✗	} else if (ret < 0)
343		✗	return ret;
344
345		✗	return 0;
346			}
347
348		✗	static av_cold int deint_vaapi_init(AVFilterContext *avctx)
349			{
350		✗	VAAPIVPPContext *vpp_ctx = avctx->priv;
351
352		✗	ff_vaapi_vpp_ctx_init(avctx);
353		✗	vpp_ctx->pipeline_uninit = deint_vaapi_pipeline_uninit;
354		✗	vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
355		✗	vpp_ctx->output_format = AV_PIX_FMT_NONE;
356
357		✗	return 0;
358			}
359
360			#define OFFSET(x) offsetof(DeintVAAPIContext, x)
361			#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
362			static const AVOption deint_vaapi_options[] = {
363			{ "mode", "Deinterlacing mode",
364			OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
365			VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, .unit = "mode" },
366			{ "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
367			0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, .unit = "mode" },
368			{ "bob", "Use the bob deinterlacing algorithm",
369			0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, .unit = "mode" },
370			{ "weave", "Use the weave deinterlacing algorithm",
371			0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS, .unit = "mode" },
372			{ "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
373			0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, .unit = "mode" },
374			{ "motion_compensated", "Use the motion compensated deinterlacing algorithm",
375			0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, .unit = "mode" },
376
377			{ "rate", "Generate output at frame rate or field rate",
378			OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, .unit = "rate" },
379			{ "frame", "Output at frame rate (one frame of output for each field-pair)",
380			0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, .unit = "rate" },
381			{ "field", "Output at field rate (one frame of output for each field)",
382			0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, .unit = "rate" },
383
384			{ "auto", "Only deinterlace fields, passing frames through unchanged",
385			OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
386
387			{ NULL },
388			};
389
390			static const AVClass deint_vaapi_class = {
391			.class_name = "deinterlace_vaapi",
392			.item_name = av_default_item_name,
393			.option = deint_vaapi_options,
394			.version = LIBAVUTIL_VERSION_INT,
395			};
396
397			static const AVFilterPad deint_vaapi_inputs[] = {
398			{
399			.name = "default",
400			.type = AVMEDIA_TYPE_VIDEO,
401			.filter_frame = &deint_vaapi_filter_frame,
402			.config_props = &ff_vaapi_vpp_config_input,
403			},
404			};
405
406			static const AVFilterPad deint_vaapi_outputs[] = {
407			{
408			.name = "default",
409			.type = AVMEDIA_TYPE_VIDEO,
410			.request_frame = &deint_vaapi_request_frame,
411			.config_props = &deint_vaapi_config_output,
412			},
413			};
414
415			const FFFilter ff_vf_deinterlace_vaapi = {
416			.p.name = "deinterlace_vaapi",
417			.p.description = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
418			.p.priv_class = &deint_vaapi_class,
419			.priv_size = sizeof(DeintVAAPIContext),
420			.init = &deint_vaapi_init,
421			.uninit = &ff_vaapi_vpp_ctx_uninit,
422			FILTER_INPUTS(deint_vaapi_inputs),
423			FILTER_OUTPUTS(deint_vaapi_outputs),
424			FILTER_QUERY_FUNC2(&ff_vaapi_vpp_query_formats),
425			.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
426			};
427