GCC Code Coverage Report
Directory: ../../../ffmpeg/ Exec Total Coverage
File: src/libavcodec/vdpau.c Lines: 0 248 0.0 %
Date: 2020-10-23 17:01:47 Branches: 0 141 0.0 %

Line Branch Exec Source
1
/*
2
 * Video Decode and Presentation API for UNIX (VDPAU) is used for
3
 * HW decode acceleration for MPEG-1/2, MPEG-4 ASP, H.264 and VC-1.
4
 *
5
 * Copyright (c) 2008 NVIDIA
6
 *
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 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
18
 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with FFmpeg; if not, write to the Free Software
21
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22
 */
23
24
#include <limits.h>
25
26
#include "avcodec.h"
27
#include "decode.h"
28
#include "internal.h"
29
#include "h264dec.h"
30
#include "vc1.h"
31
#include "vdpau.h"
32
#include "vdpau_internal.h"
33
34
// XXX: at the time of adding this ifdefery, av_assert* wasn't use outside.
35
// When dropping it, make sure other av_assert* were not added since then.
36
37
/**
38
 * @addtogroup VDPAU_Decoding
39
 *
40
 * @{
41
 */
42
43
static int vdpau_error(VdpStatus status)
44
{
45
    switch (status) {
46
    case VDP_STATUS_OK:
47
        return 0;
48
    case VDP_STATUS_NO_IMPLEMENTATION:
49
        return AVERROR(ENOSYS);
50
    case VDP_STATUS_DISPLAY_PREEMPTED:
51
        return AVERROR(EIO);
52
    case VDP_STATUS_INVALID_HANDLE:
53
        return AVERROR(EBADF);
54
    case VDP_STATUS_INVALID_POINTER:
55
        return AVERROR(EFAULT);
56
    case VDP_STATUS_RESOURCES:
57
        return AVERROR(ENOBUFS);
58
    case VDP_STATUS_HANDLE_DEVICE_MISMATCH:
59
        return AVERROR(EXDEV);
60
    case VDP_STATUS_ERROR:
61
        return AVERROR(EIO);
62
    default:
63
        return AVERROR(EINVAL);
64
    }
65
}
66
67
AVVDPAUContext *av_alloc_vdpaucontext(void)
68
{
69
    return av_vdpau_alloc_context();
70
}
71
72
MAKE_ACCESSORS(AVVDPAUContext, vdpau_hwaccel, AVVDPAU_Render2, render2)
73
74
int av_vdpau_get_surface_parameters(AVCodecContext *avctx,
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                                    VdpChromaType *type,
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                                    uint32_t *width, uint32_t *height)
77
{
78
    VdpChromaType t;
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    uint32_t w = avctx->coded_width;
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    uint32_t h = avctx->coded_height;
81
82
    /* See <vdpau/vdpau.h> for per-type alignment constraints. */
83
    switch (avctx->sw_pix_fmt) {
84
    case AV_PIX_FMT_YUV420P:
85
    case AV_PIX_FMT_YUVJ420P:
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    case AV_PIX_FMT_YUV420P10:
87
    case AV_PIX_FMT_YUV420P12:
88
        t = VDP_CHROMA_TYPE_420;
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        w = (w + 1) & ~1;
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        h = (h + 3) & ~3;
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        break;
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    case AV_PIX_FMT_YUV422P:
93
    case AV_PIX_FMT_YUVJ422P:
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        t = VDP_CHROMA_TYPE_422;
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        w = (w + 1) & ~1;
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        h = (h + 1) & ~1;
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        break;
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    case AV_PIX_FMT_YUV444P:
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    case AV_PIX_FMT_YUVJ444P:
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    case AV_PIX_FMT_YUV444P10:
101
    case AV_PIX_FMT_YUV444P12:
102
        t = VDP_CHROMA_TYPE_444;
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        h = (h + 1) & ~1;
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        break;
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    default:
106
        return AVERROR(ENOSYS);
107
    }
108
109
    if (type)
110
        *type = t;
111
    if (width)
112
        *width = w;
113
    if (height)
114
        *height = h;
115
    return 0;
116
}
117
118
int ff_vdpau_common_frame_params(AVCodecContext *avctx,
119
                                 AVBufferRef *hw_frames_ctx)
120
{
121
    AVHWFramesContext *hw_frames = (AVHWFramesContext*)hw_frames_ctx->data;
122
    VdpChromaType type;
123
    uint32_t width;
124
    uint32_t height;
125
126
    if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
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        return AVERROR(EINVAL);
128
129
    hw_frames->format    = AV_PIX_FMT_VDPAU;
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    hw_frames->sw_format = avctx->sw_pix_fmt;
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    hw_frames->width     = width;
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    hw_frames->height    = height;
133
134
    return 0;
135
}
136
137
int ff_vdpau_common_init(AVCodecContext *avctx, VdpDecoderProfile profile,
138
                         int level)
139
{
140
    VDPAUHWContext *hwctx = avctx->hwaccel_context;
141
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
142
    VdpVideoSurfaceQueryCapabilities *surface_query_caps;
143
    VdpDecoderQueryCapabilities *decoder_query_caps;
144
    VdpDecoderCreate *create;
145
    VdpGetInformationString *info;
146
    const char *info_string;
147
    void *func;
148
    VdpStatus status;
149
    VdpBool supported;
150
    uint32_t max_level, max_mb, max_width, max_height;
151
    VdpChromaType type;
152
    uint32_t width;
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    uint32_t height;
154
    int ret;
155
156
    vdctx->width            = UINT32_MAX;
157
    vdctx->height           = UINT32_MAX;
158
159
    if (av_vdpau_get_surface_parameters(avctx, &type, &width, &height))
160
        return AVERROR(ENOSYS);
161
162
    if (hwctx) {
163
        hwctx->reset            = 0;
164
165
        if (hwctx->context.decoder != VDP_INVALID_HANDLE) {
166
            vdctx->decoder = hwctx->context.decoder;
167
            vdctx->render  = hwctx->context.render;
168
            vdctx->device  = VDP_INVALID_HANDLE;
169
            return 0; /* Decoder created by user */
170
        }
171
172
        vdctx->device           = hwctx->device;
173
        vdctx->get_proc_address = hwctx->get_proc_address;
174
175
        if (hwctx->flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
176
            level = 0;
177
178
        if (!(hwctx->flags & AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH) &&
179
            type != VDP_CHROMA_TYPE_420)
180
            return AVERROR(ENOSYS);
181
    } else {
182
        AVHWFramesContext *frames_ctx;
183
        AVVDPAUDeviceContext *dev_ctx;
184
185
        ret = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VDPAU);
186
        if (ret < 0)
187
            return ret;
188
189
        frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
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        dev_ctx = frames_ctx->device_ctx->hwctx;
191
192
        vdctx->device           = dev_ctx->device;
193
        vdctx->get_proc_address = dev_ctx->get_proc_address;
194
195
        if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_IGNORE_LEVEL)
196
            level = 0;
197
    }
198
199
    if (level < 0)
200
        return AVERROR(ENOTSUP);
201
202
    status = vdctx->get_proc_address(vdctx->device,
203
                                     VDP_FUNC_ID_GET_INFORMATION_STRING,
204
                                     &func);
205
    if (status != VDP_STATUS_OK)
206
        return vdpau_error(status);
207
    else
208
        info = func;
209
210
    status = info(&info_string);
211
    if (status != VDP_STATUS_OK)
212
        return vdpau_error(status);
213
    if (avctx->codec_id == AV_CODEC_ID_HEVC && strncmp(info_string, "NVIDIA ", 7) == 0 &&
214
        !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
215
        int driver_version = 0;
216
        sscanf(info_string, "NVIDIA VDPAU Driver Shared Library  %d", &driver_version);
217
        if (driver_version < 410) {
218
            av_log(avctx, AV_LOG_VERBOSE, "HEVC with NVIDIA VDPAU drivers is buggy, skipping.\n");
219
            return AVERROR(ENOTSUP);
220
        }
221
    }
222
223
    status = vdctx->get_proc_address(vdctx->device,
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                                     VDP_FUNC_ID_VIDEO_SURFACE_QUERY_CAPABILITIES,
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                                     &func);
226
    if (status != VDP_STATUS_OK)
227
        return vdpau_error(status);
228
    else
229
        surface_query_caps = func;
230
231
    status = surface_query_caps(vdctx->device, type, &supported,
232
                                &max_width, &max_height);
233
    if (status != VDP_STATUS_OK)
234
        return vdpau_error(status);
235
    if (supported != VDP_TRUE ||
236
        max_width < width || max_height < height)
237
        return AVERROR(ENOTSUP);
238
239
    status = vdctx->get_proc_address(vdctx->device,
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                                     VDP_FUNC_ID_DECODER_QUERY_CAPABILITIES,
241
                                     &func);
242
    if (status != VDP_STATUS_OK)
243
        return vdpau_error(status);
244
    else
245
        decoder_query_caps = func;
246
247
    status = decoder_query_caps(vdctx->device, profile, &supported, &max_level,
248
                                &max_mb, &max_width, &max_height);
249
#ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
250
    if ((status != VDP_STATUS_OK || supported != VDP_TRUE) && profile == VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE) {
251
        profile = VDP_DECODER_PROFILE_H264_MAIN;
252
        status = decoder_query_caps(vdctx->device, profile, &supported,
253
                                    &max_level, &max_mb,
254
                                    &max_width, &max_height);
255
    }
256
#endif
257
    if (status != VDP_STATUS_OK)
258
        return vdpau_error(status);
259
260
    if (supported != VDP_TRUE || max_level < level ||
261
        max_width < width || max_height < height)
262
        return AVERROR(ENOTSUP);
263
264
    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_CREATE,
265
                                     &func);
266
    if (status != VDP_STATUS_OK)
267
        return vdpau_error(status);
268
    else
269
        create = func;
270
271
    status = vdctx->get_proc_address(vdctx->device, VDP_FUNC_ID_DECODER_RENDER,
272
                                     &func);
273
    if (status != VDP_STATUS_OK)
274
        return vdpau_error(status);
275
    else
276
        vdctx->render = func;
277
278
    status = create(vdctx->device, profile, width, height, avctx->refs,
279
                    &vdctx->decoder);
280
    if (status == VDP_STATUS_OK) {
281
        vdctx->width  = avctx->coded_width;
282
        vdctx->height = avctx->coded_height;
283
    }
284
285
    return vdpau_error(status);
286
}
287
288
int ff_vdpau_common_uninit(AVCodecContext *avctx)
289
{
290
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
291
    VdpDecoderDestroy *destroy;
292
    void *func;
293
    VdpStatus status;
294
295
    if (vdctx->device == VDP_INVALID_HANDLE)
296
        return 0; /* Decoder created and destroyed by user */
297
    if (vdctx->width == UINT32_MAX && vdctx->height == UINT32_MAX)
298
        return 0;
299
300
    status = vdctx->get_proc_address(vdctx->device,
301
                                     VDP_FUNC_ID_DECODER_DESTROY, &func);
302
    if (status != VDP_STATUS_OK)
303
        return vdpau_error(status);
304
    else
305
        destroy = func;
306
307
    status = destroy(vdctx->decoder);
308
    return vdpau_error(status);
309
}
310
311
static int ff_vdpau_common_reinit(AVCodecContext *avctx)
312
{
313
    VDPAUHWContext *hwctx = avctx->hwaccel_context;
314
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
315
316
    if (vdctx->device == VDP_INVALID_HANDLE)
317
        return 0; /* Decoder created by user */
318
    if (avctx->coded_width == vdctx->width &&
319
        avctx->coded_height == vdctx->height && (!hwctx || !hwctx->reset))
320
        return 0;
321
322
    avctx->hwaccel->uninit(avctx);
323
    return avctx->hwaccel->init(avctx);
324
}
325
326
int ff_vdpau_common_start_frame(struct vdpau_picture_context *pic_ctx,
327
                                av_unused const uint8_t *buffer,
328
                                av_unused uint32_t size)
329
{
330
    pic_ctx->bitstream_buffers_allocated = 0;
331
    pic_ctx->bitstream_buffers_used      = 0;
332
    pic_ctx->bitstream_buffers           = NULL;
333
    return 0;
334
}
335
336
int ff_vdpau_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
337
                              struct vdpau_picture_context *pic_ctx)
338
{
339
    VDPAUContext *vdctx = avctx->internal->hwaccel_priv_data;
340
    AVVDPAUContext *hwctx = avctx->hwaccel_context;
341
    VdpVideoSurface surf = ff_vdpau_get_surface_id(frame);
342
    VdpStatus status;
343
    int val;
344
345
    val = ff_vdpau_common_reinit(avctx);
346
    if (val < 0)
347
        return val;
348
349
    if (hwctx && !hwctx->render && hwctx->render2) {
350
        status = hwctx->render2(avctx, frame, (void *)&pic_ctx->info,
351
                                pic_ctx->bitstream_buffers_used, pic_ctx->bitstream_buffers);
352
    } else
353
    status = vdctx->render(vdctx->decoder, surf, &pic_ctx->info,
354
                           pic_ctx->bitstream_buffers_used,
355
                           pic_ctx->bitstream_buffers);
356
357
    av_freep(&pic_ctx->bitstream_buffers);
358
359
    return vdpau_error(status);
360
}
361
362
#if CONFIG_MPEG1_VDPAU_HWACCEL || \
363
    CONFIG_MPEG2_VDPAU_HWACCEL || CONFIG_MPEG4_VDPAU_HWACCEL || \
364
    CONFIG_VC1_VDPAU_HWACCEL   || CONFIG_WMV3_VDPAU_HWACCEL
365
int ff_vdpau_mpeg_end_frame(AVCodecContext *avctx)
366
{
367
    MpegEncContext *s = avctx->priv_data;
368
    Picture *pic = s->current_picture_ptr;
369
    struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
370
    int val;
371
372
    val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
373
    if (val < 0)
374
        return val;
375
376
    ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
377
    return 0;
378
}
379
#endif
380
381
int ff_vdpau_add_buffer(struct vdpau_picture_context *pic_ctx,
382
                        const uint8_t *buf, uint32_t size)
383
{
384
    VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
385
386
    buffers = av_fast_realloc(buffers, &pic_ctx->bitstream_buffers_allocated,
387
                              (pic_ctx->bitstream_buffers_used + 1) * sizeof(*buffers));
388
    if (!buffers)
389
        return AVERROR(ENOMEM);
390
391
    pic_ctx->bitstream_buffers = buffers;
392
    buffers += pic_ctx->bitstream_buffers_used++;
393
394
    buffers->struct_version  = VDP_BITSTREAM_BUFFER_VERSION;
395
    buffers->bitstream       = buf;
396
    buffers->bitstream_bytes = size;
397
    return 0;
398
}
399
400
#if FF_API_VDPAU_PROFILE
401
int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
402
{
403
#define PROFILE(prof)                      \
404
do {                                       \
405
    *profile = VDP_DECODER_PROFILE_##prof; \
406
    return 0;                              \
407
} while (0)
408
409
    switch (avctx->codec_id) {
410
    case AV_CODEC_ID_MPEG1VIDEO:               PROFILE(MPEG1);
411
    case AV_CODEC_ID_MPEG2VIDEO:
412
        switch (avctx->profile) {
413
        case FF_PROFILE_MPEG2_MAIN:            PROFILE(MPEG2_MAIN);
414
        case FF_PROFILE_MPEG2_SIMPLE:          PROFILE(MPEG2_SIMPLE);
415
        default:                               return AVERROR(EINVAL);
416
        }
417
    case AV_CODEC_ID_H263:                     PROFILE(MPEG4_PART2_ASP);
418
    case AV_CODEC_ID_MPEG4:
419
        switch (avctx->profile) {
420
        case FF_PROFILE_MPEG4_SIMPLE:          PROFILE(MPEG4_PART2_SP);
421
        case FF_PROFILE_MPEG4_ADVANCED_SIMPLE: PROFILE(MPEG4_PART2_ASP);
422
        default:                               return AVERROR(EINVAL);
423
        }
424
    case AV_CODEC_ID_H264:
425
        switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
426
        case FF_PROFILE_H264_BASELINE:         PROFILE(H264_BASELINE);
427
        case FF_PROFILE_H264_CONSTRAINED_BASELINE:
428
        case FF_PROFILE_H264_MAIN:             PROFILE(H264_MAIN);
429
        case FF_PROFILE_H264_HIGH:             PROFILE(H264_HIGH);
430
#ifdef VDP_DECODER_PROFILE_H264_EXTENDED
431
        case FF_PROFILE_H264_EXTENDED:         PROFILE(H264_EXTENDED);
432
#endif
433
        default:                               return AVERROR(EINVAL);
434
        }
435
    case AV_CODEC_ID_WMV3:
436
    case AV_CODEC_ID_VC1:
437
        switch (avctx->profile) {
438
        case FF_PROFILE_VC1_SIMPLE:            PROFILE(VC1_SIMPLE);
439
        case FF_PROFILE_VC1_MAIN:              PROFILE(VC1_MAIN);
440
        case FF_PROFILE_VC1_ADVANCED:          PROFILE(VC1_ADVANCED);
441
        default:                               return AVERROR(EINVAL);
442
        }
443
    }
444
    return AVERROR(EINVAL);
445
#undef PROFILE
446
}
447
#endif /* FF_API_VDPAU_PROFILE */
448
449
AVVDPAUContext *av_vdpau_alloc_context(void)
450
{
451
    return av_mallocz(sizeof(VDPAUHWContext));
452
}
453
454
int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
455
                          VdpGetProcAddress *get_proc, unsigned flags)
456
{
457
    VDPAUHWContext *hwctx;
458
459
    if (flags & ~(AV_HWACCEL_FLAG_IGNORE_LEVEL|AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH))
460
        return AVERROR(EINVAL);
461
462
    if (av_reallocp(&avctx->hwaccel_context, sizeof(*hwctx)))
463
        return AVERROR(ENOMEM);
464
465
    hwctx = avctx->hwaccel_context;
466
467
    memset(hwctx, 0, sizeof(*hwctx));
468
    hwctx->context.decoder  = VDP_INVALID_HANDLE;
469
    hwctx->device           = device;
470
    hwctx->get_proc_address = get_proc;
471
    hwctx->flags            = flags;
472
    hwctx->reset            = 1;
473
    return 0;
474
}
475
476
/* @}*/