2 * This file is part of FFmpeg.
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.
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.
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
19 #include "libavutil/avassert.h"
20 #include "libavutil/common.h"
21 #include "libavutil/pixdesc.h"
26 #include "vaapi_decode.h"
29 int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
30 VAAPIDecodePicture *pic,
35 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
39 av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
41 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
42 type, size, 1, (void*)data, &buffer);
43 if (vas != VA_STATUS_SUCCESS) {
44 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter "
45 "buffer (type %d): %d (%s).\n",
46 type, vas, vaErrorStr(vas));
50 pic->param_buffers[pic->nb_param_buffers++] = buffer;
52 av_log(avctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes) "
53 "is %#x.\n", type, size, buffer);
58 int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
59 VAAPIDecodePicture *pic,
60 const void *params_data,
62 const void *slice_data,
65 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
69 av_assert0(pic->nb_slices <= pic->slices_allocated);
70 if (pic->nb_slices == pic->slices_allocated) {
71 if (pic->slices_allocated > 0)
72 pic->slices_allocated *= 2;
74 pic->slices_allocated = 64;
77 av_realloc_array(pic->slice_buffers,
78 pic->slices_allocated,
79 2 * sizeof(*pic->slice_buffers));
80 if (!pic->slice_buffers)
81 return AVERROR(ENOMEM);
83 av_assert0(pic->nb_slices + 1 <= pic->slices_allocated);
85 index = 2 * pic->nb_slices;
87 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
88 VASliceParameterBufferType,
89 params_size, 1, (void*)params_data,
90 &pic->slice_buffers[index]);
91 if (vas != VA_STATUS_SUCCESS) {
92 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
93 "parameter buffer: %d (%s).\n", vas, vaErrorStr(vas));
97 av_log(avctx, AV_LOG_DEBUG, "Slice %d param buffer (%zu bytes) "
98 "is %#x.\n", pic->nb_slices, params_size,
99 pic->slice_buffers[index]);
101 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
102 VASliceDataBufferType,
103 slice_size, 1, (void*)slice_data,
104 &pic->slice_buffers[index + 1]);
105 if (vas != VA_STATUS_SUCCESS) {
106 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
107 "data buffer (size %zu): %d (%s).\n",
108 slice_size, vas, vaErrorStr(vas));
109 vaDestroyBuffer(ctx->hwctx->display,
110 pic->slice_buffers[index]);
114 av_log(avctx, AV_LOG_DEBUG, "Slice %d data buffer (%zu bytes) "
115 "is %#x.\n", pic->nb_slices, slice_size,
116 pic->slice_buffers[index + 1]);
122 static void ff_vaapi_decode_destroy_buffers(AVCodecContext *avctx,
123 VAAPIDecodePicture *pic)
125 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
129 for (i = 0; i < pic->nb_param_buffers; i++) {
130 vas = vaDestroyBuffer(ctx->hwctx->display,
131 pic->param_buffers[i]);
132 if (vas != VA_STATUS_SUCCESS) {
133 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
134 "parameter buffer %#x: %d (%s).\n",
135 pic->param_buffers[i], vas, vaErrorStr(vas));
139 for (i = 0; i < 2 * pic->nb_slices; i++) {
140 vas = vaDestroyBuffer(ctx->hwctx->display,
141 pic->slice_buffers[i]);
142 if (vas != VA_STATUS_SUCCESS) {
143 av_log(avctx, AV_LOG_ERROR, "Failed to destroy slice "
144 "slice buffer %#x: %d (%s).\n",
145 pic->slice_buffers[i], vas, vaErrorStr(vas));
150 int ff_vaapi_decode_issue(AVCodecContext *avctx,
151 VAAPIDecodePicture *pic)
153 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
157 av_log(avctx, AV_LOG_DEBUG, "Decode to surface %#x.\n",
158 pic->output_surface);
160 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
161 pic->output_surface);
162 if (vas != VA_STATUS_SUCCESS) {
163 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture decode "
164 "issue: %d (%s).\n", vas, vaErrorStr(vas));
166 goto fail_with_picture;
169 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
170 pic->param_buffers, pic->nb_param_buffers);
171 if (vas != VA_STATUS_SUCCESS) {
172 av_log(avctx, AV_LOG_ERROR, "Failed to upload decode "
173 "parameters: %d (%s).\n", vas, vaErrorStr(vas));
175 goto fail_with_picture;
178 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
179 pic->slice_buffers, 2 * pic->nb_slices);
180 if (vas != VA_STATUS_SUCCESS) {
181 av_log(avctx, AV_LOG_ERROR, "Failed to upload slices: "
182 "%d (%s).\n", vas, vaErrorStr(vas));
184 goto fail_with_picture;
187 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
188 if (vas != VA_STATUS_SUCCESS) {
189 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
190 "issue: %d (%s).\n", vas, vaErrorStr(vas));
192 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
193 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
199 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
200 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
201 ff_vaapi_decode_destroy_buffers(avctx, pic);
203 pic->nb_param_buffers = 0;
205 pic->slices_allocated = 0;
206 av_freep(&pic->slice_buffers);
211 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
212 if (vas != VA_STATUS_SUCCESS) {
213 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
214 "after error: %d (%s).\n", vas, vaErrorStr(vas));
217 ff_vaapi_decode_destroy_buffers(avctx, pic);
222 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
223 VAAPIDecodePicture *pic)
225 ff_vaapi_decode_destroy_buffers(avctx, pic);
227 pic->nb_param_buffers = 0;
229 pic->slices_allocated = 0;
230 av_freep(&pic->slice_buffers);
235 static const struct {
236 enum AVCodecID codec_id;
238 VAProfile va_profile;
239 } vaapi_profile_map[] = {
240 #define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v }
241 MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ),
242 MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ),
243 MAP(H263, UNKNOWN, H263Baseline),
244 MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ),
245 MAP(MPEG4, MPEG4_ADVANCED_SIMPLE,
246 MPEG4AdvancedSimple),
247 MAP(MPEG4, MPEG4_MAIN, MPEG4Main ),
248 MAP(H264, H264_CONSTRAINED_BASELINE,
249 H264ConstrainedBaseline),
250 MAP(H264, H264_MAIN, H264Main ),
251 MAP(H264, H264_HIGH, H264High ),
252 #if VA_CHECK_VERSION(0, 37, 0)
253 MAP(HEVC, HEVC_MAIN, HEVCMain ),
254 MAP(HEVC, HEVC_MAIN_10, HEVCMain10 ),
256 MAP(WMV3, VC1_SIMPLE, VC1Simple ),
257 MAP(WMV3, VC1_MAIN, VC1Main ),
258 MAP(WMV3, VC1_COMPLEX, VC1Advanced ),
259 MAP(WMV3, VC1_ADVANCED, VC1Advanced ),
260 MAP(VC1, VC1_SIMPLE, VC1Simple ),
261 MAP(VC1, VC1_MAIN, VC1Main ),
262 MAP(VC1, VC1_COMPLEX, VC1Advanced ),
263 MAP(VC1, VC1_ADVANCED, VC1Advanced ),
264 #if VA_CHECK_VERSION(0, 35, 0)
265 MAP(VP8, UNKNOWN, VP8Version0_3 ),
267 #if VA_CHECK_VERSION(0, 38, 0)
268 MAP(VP9, VP9_0, VP9Profile0 ),
270 #if VA_CHECK_VERSION(0, 39, 0)
271 MAP(VP9, VP9_2, VP9Profile2 ),
277 * Set *va_config and the frames_ref fields from the current codec parameters
280 static int vaapi_decode_make_config(AVCodecContext *avctx,
281 AVBufferRef *device_ref,
282 VAConfigID *va_config,
283 AVBufferRef *frames_ref)
285 AVVAAPIHWConfig *hwconfig = NULL;
286 AVHWFramesConstraints *constraints = NULL;
289 const AVCodecDescriptor *codec_desc;
290 VAProfile *profile_list = NULL, matched_va_profile;
291 int profile_count, exact_match, matched_ff_profile;
292 const AVPixFmtDescriptor *sw_desc, *desc;
294 AVHWDeviceContext *device = (AVHWDeviceContext*)device_ref->data;
295 AVVAAPIDeviceContext *hwctx = device->hwctx;
297 codec_desc = avcodec_descriptor_get(avctx->codec_id);
299 err = AVERROR(EINVAL);
303 profile_count = vaMaxNumProfiles(hwctx->display);
304 profile_list = av_malloc_array(profile_count,
307 err = AVERROR(ENOMEM);
311 vas = vaQueryConfigProfiles(hwctx->display,
312 profile_list, &profile_count);
313 if (vas != VA_STATUS_SUCCESS) {
314 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: "
315 "%d (%s).\n", vas, vaErrorStr(vas));
316 err = AVERROR(ENOSYS);
320 matched_va_profile = VAProfileNone;
323 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) {
324 int profile_match = 0;
325 if (avctx->codec_id != vaapi_profile_map[i].codec_id)
327 if (avctx->profile == vaapi_profile_map[i].codec_profile)
329 for (j = 0; j < profile_count; j++) {
330 if (vaapi_profile_map[i].va_profile == profile_list[j]) {
331 exact_match = profile_match;
335 if (j < profile_count) {
336 matched_va_profile = vaapi_profile_map[i].va_profile;
337 matched_ff_profile = vaapi_profile_map[i].codec_profile;
342 av_freep(&profile_list);
344 if (matched_va_profile == VAProfileNone) {
345 av_log(avctx, AV_LOG_ERROR, "No support for codec %s "
346 "profile %d.\n", codec_desc->name, avctx->profile);
347 err = AVERROR(ENOSYS);
351 if (avctx->hwaccel_flags &
352 AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH) {
353 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
354 "supported for hardware decode.\n",
355 codec_desc->name, avctx->profile);
356 av_log(avctx, AV_LOG_WARNING, "Using possibly-"
357 "incompatible profile %d instead.\n",
360 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
361 "supported for hardware decode.\n",
362 codec_desc->name, avctx->profile);
363 err = AVERROR(EINVAL);
368 vas = vaCreateConfig(hwctx->display, matched_va_profile,
369 VAEntrypointVLD, NULL, 0,
371 if (vas != VA_STATUS_SUCCESS) {
372 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
373 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
378 hwconfig = av_hwdevice_hwconfig_alloc(device_ref);
380 err = AVERROR(ENOMEM);
383 hwconfig->config_id = *va_config;
386 av_hwdevice_get_hwframe_constraints(device_ref, hwconfig);
388 err = AVERROR(ENOMEM);
392 if (avctx->coded_width < constraints->min_width ||
393 avctx->coded_height < constraints->min_height ||
394 avctx->coded_width > constraints->max_width ||
395 avctx->coded_height > constraints->max_height) {
396 av_log(avctx, AV_LOG_ERROR, "Hardware does not support image "
397 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
398 avctx->coded_width, avctx->coded_height,
399 constraints->min_width, constraints->max_width,
400 constraints->min_height, constraints->max_height);
401 err = AVERROR(EINVAL);
404 if (!constraints->valid_sw_formats ||
405 constraints->valid_sw_formats[0] == AV_PIX_FMT_NONE) {
406 av_log(avctx, AV_LOG_ERROR, "Hardware does not offer any "
407 "usable surface formats.\n");
408 err = AVERROR(EINVAL);
413 AVHWFramesContext *frames = (AVHWFramesContext *)frames_ref->data;
415 frames->format = AV_PIX_FMT_VAAPI;
416 frames->width = avctx->coded_width;
417 frames->height = avctx->coded_height;
419 // Find the first format in the list which matches the expected
420 // bit depth and subsampling. If none are found (this can happen
421 // when 10-bit streams are decoded to 8-bit surfaces, for example)
422 // then just take the first format on the list.
423 frames->sw_format = constraints->valid_sw_formats[0];
424 sw_desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
425 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
426 desc = av_pix_fmt_desc_get(constraints->valid_sw_formats[i]);
427 if (desc->nb_components != sw_desc->nb_components ||
428 desc->log2_chroma_w != sw_desc->log2_chroma_w ||
429 desc->log2_chroma_h != sw_desc->log2_chroma_h)
431 for (j = 0; j < desc->nb_components; j++) {
432 if (desc->comp[j].depth != sw_desc->comp[j].depth)
435 if (j < desc->nb_components)
437 frames->sw_format = constraints->valid_sw_formats[i];
441 frames->initial_pool_size = 1;
442 // Add per-codec number of surfaces used for storing reference frames.
443 switch (avctx->codec_id) {
444 case AV_CODEC_ID_H264:
445 case AV_CODEC_ID_HEVC:
446 frames->initial_pool_size += 16;
448 case AV_CODEC_ID_VP9:
449 frames->initial_pool_size += 8;
451 case AV_CODEC_ID_VP8:
452 frames->initial_pool_size += 3;
455 frames->initial_pool_size += 2;
459 av_hwframe_constraints_free(&constraints);
465 av_hwframe_constraints_free(&constraints);
467 if (*va_config != VA_INVALID_ID) {
468 vaDestroyConfig(hwctx->display, *va_config);
469 *va_config = VA_INVALID_ID;
471 av_freep(&profile_list);
475 int ff_vaapi_common_frame_params(AVCodecContext *avctx,
476 AVBufferRef *hw_frames_ctx)
478 AVHWFramesContext *hw_frames = (AVHWFramesContext *)hw_frames_ctx->data;
479 AVHWDeviceContext *device_ctx = hw_frames->device_ctx;
480 AVVAAPIDeviceContext *hwctx;
481 VAConfigID va_config = VA_INVALID_ID;
484 if (device_ctx->type != AV_HWDEVICE_TYPE_VAAPI)
485 return AVERROR(EINVAL);
486 hwctx = device_ctx->hwctx;
488 err = vaapi_decode_make_config(avctx, hw_frames->device_ref, &va_config,
493 if (va_config != VA_INVALID_ID)
494 vaDestroyConfig(hwctx->display, va_config);
499 int ff_vaapi_decode_init(AVCodecContext *avctx)
501 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
505 ctx->va_config = VA_INVALID_ID;
506 ctx->va_context = VA_INVALID_ID;
508 #if FF_API_STRUCT_VAAPI_CONTEXT
509 if (avctx->hwaccel_context) {
510 av_log(avctx, AV_LOG_WARNING, "Using deprecated struct "
511 "vaapi_context in decode.\n");
513 ctx->have_old_context = 1;
514 ctx->old_context = avctx->hwaccel_context;
516 // Really we only want the VAAPI device context, but this
517 // allocates a whole generic device context because we don't
518 // have any other way to determine how big it should be.
520 av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
521 if (!ctx->device_ref) {
522 err = AVERROR(ENOMEM);
525 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
526 ctx->hwctx = ctx->device->hwctx;
528 ctx->hwctx->display = ctx->old_context->display;
530 // The old VAAPI decode setup assumed this quirk was always
531 // present, so set it here to avoid the behaviour changing.
532 ctx->hwctx->driver_quirks =
533 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS;
538 #if FF_API_STRUCT_VAAPI_CONTEXT
539 if (ctx->have_old_context) {
540 ctx->va_config = ctx->old_context->config_id;
541 ctx->va_context = ctx->old_context->context_id;
543 av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
544 "context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
548 err = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VAAPI);
552 ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
553 ctx->hwfc = ctx->frames->hwctx;
554 ctx->device = ctx->frames->device_ctx;
555 ctx->hwctx = ctx->device->hwctx;
557 err = vaapi_decode_make_config(avctx, ctx->frames->device_ref,
558 &ctx->va_config, avctx->hw_frames_ctx);
562 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
563 avctx->coded_width, avctx->coded_height,
565 ctx->hwfc->surface_ids,
566 ctx->hwfc->nb_surfaces,
568 if (vas != VA_STATUS_SUCCESS) {
569 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
570 "context: %d (%s).\n", vas, vaErrorStr(vas));
575 av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
576 "%#x/%#x.\n", ctx->va_config, ctx->va_context);
577 #if FF_API_STRUCT_VAAPI_CONTEXT
584 ff_vaapi_decode_uninit(avctx);
588 int ff_vaapi_decode_uninit(AVCodecContext *avctx)
590 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
593 #if FF_API_STRUCT_VAAPI_CONTEXT
594 if (ctx->have_old_context) {
595 av_buffer_unref(&ctx->device_ref);
599 if (ctx->va_context != VA_INVALID_ID) {
600 vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
601 if (vas != VA_STATUS_SUCCESS) {
602 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
603 "context %#x: %d (%s).\n",
604 ctx->va_context, vas, vaErrorStr(vas));
607 if (ctx->va_config != VA_INVALID_ID) {
608 vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
609 if (vas != VA_STATUS_SUCCESS) {
610 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
611 "configuration %#x: %d (%s).\n",
612 ctx->va_config, vas, vaErrorStr(vas));
616 #if FF_API_STRUCT_VAAPI_CONTEXT