GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavfilter/vf_deinterlace_vaapi.c Lines: 0 166 0.0 %
Date: 2020-10-23 17:01:47 Branches: 0 79 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/avassert.h"
22
#include "libavutil/common.h"
23
#include "libavutil/mem.h"
24
#include "libavutil/opt.h"
25
#include "libavutil/pixdesc.h"
26
27
#include "avfilter.h"
28
#include "formats.h"
29
#include "internal.h"
30
#include "video.h"
31
#include "vaapi_vpp.h"
32
33
#define MAX_REFERENCES 8
34
35
typedef struct DeintVAAPIContext {
36
    VAAPIVPPContext vpp_ctx; // must be the first field
37
38
    int                mode;
39
    int                field_rate;
40
    int                auto_enable;
41
42
    VAProcFilterCapDeinterlacing
43
                       deint_caps[VAProcDeinterlacingCount];
44
    int             nb_deint_caps;
45
    VAProcPipelineCaps pipeline_caps;
46
47
    int                queue_depth;
48
    int                queue_count;
49
    AVFrame           *frame_queue[MAX_REFERENCES];
50
    int                extra_delay_for_timestamps;
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
    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);
196
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.
201
            return 0;
202
        }
203
    } else {
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;
208
    }
209
210
    current_frame_index = ctx->pipeline_caps.num_forward_references;
211
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];
220
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");
231
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);
235
        if (!output_frame) {
236
            err = AVERROR(ENOMEM);
237
            goto fail;
238
        }
239
240
        err = av_frame_copy_props(output_frame, input_frame);
241
        if (err < 0)
242
            goto fail;
243
244
        err = ff_vaapi_vpp_init_params(avctx, &params,
245
                                       input_frame, output_frame);
246
        if (err < 0)
247
            goto fail;
248
249
        if (!ctx->auto_enable || input_frame->interlaced_frame) {
250
            vas = vaMapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0],
251
                              &filter_params_addr);
252
            if (vas != VA_STATUS_SUCCESS) {
253
                av_log(avctx, AV_LOG_ERROR, "Failed to map filter parameter "
254
                       "buffer: %d (%s).\n", vas, vaErrorStr(vas));
255
                err = AVERROR(EIO);
256
                goto fail;
257
            }
258
            filter_params = filter_params_addr;
259
            filter_params->flags = 0;
260
            if (input_frame->top_field_first) {
261
                filter_params->flags |= field ? VA_DEINTERLACING_BOTTOM_FIELD : 0;
262
            } else {
263
                filter_params->flags |= VA_DEINTERLACING_BOTTOM_FIELD_FIRST;
264
                filter_params->flags |= field ? 0 : VA_DEINTERLACING_BOTTOM_FIELD;
265
            }
266
            filter_params_addr = NULL;
267
            vas = vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
268
            if (vas != VA_STATUS_SUCCESS)
269
                av_log(avctx, AV_LOG_ERROR, "Failed to unmap filter parameter "
270
                       "buffer: %d (%s).\n", vas, vaErrorStr(vas));
271
272
            params.filters     = &vpp_ctx->filter_buffers[0];
273
            params.num_filters = 1;
274
275
            params.forward_references = forward_references;
276
            params.num_forward_references =
277
                ctx->pipeline_caps.num_forward_references;
278
            params.backward_references = backward_references;
279
            params.num_backward_references =
280
                ctx->pipeline_caps.num_backward_references;
281
282
        } else {
283
            params.filters     = NULL;
284
            params.num_filters = 0;
285
        }
286
287
        err = ff_vaapi_vpp_render_picture(avctx, &params, output_frame);
288
        if (err < 0)
289
            goto fail;
290
291
        if (ctx->field_rate == 2) {
292
            if (field == 0)
293
                output_frame->pts = 2 * input_frame->pts;
294
            else
295
                output_frame->pts = input_frame->pts +
296
                    ctx->frame_queue[current_frame_index + 1]->pts;
297
        }
298
        output_frame->interlaced_frame = 0;
299
300
        av_log(avctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
301
               av_get_pix_fmt_name(output_frame->format),
302
               output_frame->width, output_frame->height, output_frame->pts);
303
304
        err = ff_filter_frame(outlink, output_frame);
305
        if (err < 0)
306
            break;
307
    }
308
309
    return err;
310
311
fail:
312
    if (filter_params_addr)
313
        vaUnmapBuffer(vpp_ctx->hwctx->display, vpp_ctx->filter_buffers[0]);
314
    av_frame_free(&output_frame);
315
    return err;
316
}
317
318
static av_cold int deint_vaapi_init(AVFilterContext *avctx)
319
{
320
    VAAPIVPPContext *vpp_ctx = avctx->priv;
321
322
    ff_vaapi_vpp_ctx_init(avctx);
323
    vpp_ctx->pipeline_uninit     = deint_vaapi_pipeline_uninit;
324
    vpp_ctx->build_filter_params = deint_vaapi_build_filter_params;
325
    vpp_ctx->output_format       = AV_PIX_FMT_NONE;
326
327
    return 0;
328
}
329
330
#define OFFSET(x) offsetof(DeintVAAPIContext, x)
331
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)
332
static const AVOption deint_vaapi_options[] = {
333
    { "mode", "Deinterlacing mode",
334
      OFFSET(mode), AV_OPT_TYPE_INT, { .i64 = VAProcDeinterlacingNone },
335
      VAProcDeinterlacingNone, VAProcDeinterlacingCount - 1, FLAGS, "mode" },
336
    { "default", "Use the highest-numbered (and therefore possibly most advanced) deinterlacing algorithm",
337
      0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingNone }, 0, 0, FLAGS, "mode" },
338
    { "bob", "Use the bob deinterlacing algorithm",
339
      0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingBob }, 0, 0, FLAGS, "mode" },
340
    { "weave", "Use the weave deinterlacing algorithm",
341
      0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingWeave }, 0, 0, FLAGS,  "mode" },
342
    { "motion_adaptive", "Use the motion adaptive deinterlacing algorithm",
343
      0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionAdaptive }, 0, 0, FLAGS, "mode" },
344
    { "motion_compensated", "Use the motion compensated deinterlacing algorithm",
345
      0, AV_OPT_TYPE_CONST, { .i64 = VAProcDeinterlacingMotionCompensated }, 0, 0, FLAGS, "mode" },
346
347
    { "rate", "Generate output at frame rate or field rate",
348
      OFFSET(field_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 2, FLAGS, "rate" },
349
    { "frame", "Output at frame rate (one frame of output for each field-pair)",
350
      0, AV_OPT_TYPE_CONST, { .i64 = 1 }, 0, 0, FLAGS, "rate" },
351
    { "field", "Output at field rate (one frame of output for each field)",
352
      0, AV_OPT_TYPE_CONST, { .i64 = 2 }, 0, 0, FLAGS, "rate" },
353
354
    { "auto", "Only deinterlace fields, passing frames through unchanged",
355
      OFFSET(auto_enable), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, FLAGS },
356
357
    { NULL },
358
};
359
360
static const AVClass deint_vaapi_class = {
361
    .class_name = "deinterlace_vaapi",
362
    .item_name  = av_default_item_name,
363
    .option     = deint_vaapi_options,
364
    .version    = LIBAVUTIL_VERSION_INT,
365
};
366
367
static const AVFilterPad deint_vaapi_inputs[] = {
368
    {
369
        .name         = "default",
370
        .type         = AVMEDIA_TYPE_VIDEO,
371
        .filter_frame = &deint_vaapi_filter_frame,
372
        .config_props = &ff_vaapi_vpp_config_input,
373
    },
374
    { NULL }
375
};
376
377
static const AVFilterPad deint_vaapi_outputs[] = {
378
    {
379
        .name = "default",
380
        .type = AVMEDIA_TYPE_VIDEO,
381
        .config_props = &deint_vaapi_config_output,
382
    },
383
    { NULL }
384
};
385
386
AVFilter ff_vf_deinterlace_vaapi = {
387
    .name           = "deinterlace_vaapi",
388
    .description    = NULL_IF_CONFIG_SMALL("Deinterlacing of VAAPI surfaces"),
389
    .priv_size      = sizeof(DeintVAAPIContext),
390
    .init           = &deint_vaapi_init,
391
    .uninit         = &ff_vaapi_vpp_ctx_uninit,
392
    .query_formats  = &ff_vaapi_vpp_query_formats,
393
    .inputs         = deint_vaapi_inputs,
394
    .outputs        = deint_vaapi_outputs,
395
    .priv_class     = &deint_vaapi_class,
396
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
397
};