hwcontext_qsv: add support for p010
[libav.git] / libavcodec / qsv.c
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1/*
2 * Intel MediaSDK QSV encoder/decoder shared code
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <mfx/mfxvideo.h>
66acb76b 22#include <mfx/mfxplugin.h>
d0a63d8b 23
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24#include <stdio.h>
25#include <string.h>
26
27#include "libavutil/avstring.h"
a0524d9b 28#include "libavutil/common.h"
d0a63d8b 29#include "libavutil/error.h"
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30#include "libavutil/hwcontext.h"
31#include "libavutil/hwcontext_qsv.h"
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32
33#include "avcodec.h"
34#include "qsv_internal.h"
35
36int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
37{
38 switch (codec_id) {
39 case AV_CODEC_ID_H264:
40 return MFX_CODEC_AVC;
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41#if QSV_VERSION_ATLEAST(1, 8)
42 case AV_CODEC_ID_HEVC:
43 return MFX_CODEC_HEVC;
44#endif
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45 case AV_CODEC_ID_MPEG1VIDEO:
46 case AV_CODEC_ID_MPEG2VIDEO:
47 return MFX_CODEC_MPEG2;
48 case AV_CODEC_ID_VC1:
49 return MFX_CODEC_VC1;
50 default:
51 break;
52 }
53
54 return AVERROR(ENOSYS);
55}
56
57int ff_qsv_error(int mfx_err)
58{
59 switch (mfx_err) {
60 case MFX_ERR_NONE:
61 return 0;
62 case MFX_ERR_MEMORY_ALLOC:
63 case MFX_ERR_NOT_ENOUGH_BUFFER:
64 return AVERROR(ENOMEM);
65 case MFX_ERR_INVALID_HANDLE:
66 return AVERROR(EINVAL);
67 case MFX_ERR_DEVICE_FAILED:
68 case MFX_ERR_DEVICE_LOST:
69 case MFX_ERR_LOCK_MEMORY:
70 return AVERROR(EIO);
71 case MFX_ERR_NULL_PTR:
72 case MFX_ERR_UNDEFINED_BEHAVIOR:
73 case MFX_ERR_NOT_INITIALIZED:
74 return AVERROR_BUG;
75 case MFX_ERR_UNSUPPORTED:
76 case MFX_ERR_NOT_FOUND:
77 return AVERROR(ENOSYS);
78 case MFX_ERR_MORE_DATA:
79 case MFX_ERR_MORE_SURFACE:
80 case MFX_ERR_MORE_BITSTREAM:
81 return AVERROR(EAGAIN);
82 case MFX_ERR_INCOMPATIBLE_VIDEO_PARAM:
83 case MFX_ERR_INVALID_VIDEO_PARAM:
84 return AVERROR(EINVAL);
85 case MFX_ERR_ABORTED:
86 case MFX_ERR_UNKNOWN:
87 default:
88 return AVERROR_UNKNOWN;
89 }
90}
91
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92static int qsv_load_plugins(mfxSession session, const char *load_plugins,
93 void *logctx)
94{
95 if (!load_plugins || !*load_plugins)
96 return 0;
97
98 while (*load_plugins) {
99 mfxPluginUID uid;
100 mfxStatus ret;
101 int i, err = 0;
102
103 char *plugin = av_get_token(&load_plugins, ":");
104 if (!plugin)
105 return AVERROR(ENOMEM);
106 if (strlen(plugin) != 2 * sizeof(uid.Data)) {
107 av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
108 err = AVERROR(EINVAL);
109 goto load_plugin_fail;
110 }
111
112 for (i = 0; i < sizeof(uid.Data); i++) {
113 err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
114 if (err != 1) {
115 av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
116 err = AVERROR(EINVAL);
117 goto load_plugin_fail;
118 }
119
120 }
121
122 ret = MFXVideoUSER_Load(session, &uid, 1);
123 if (ret < 0) {
124 av_log(logctx, AV_LOG_ERROR, "Could not load the requested plugin: %s\n",
125 plugin);
126 err = ff_qsv_error(ret);
127 goto load_plugin_fail;
128 }
129
130 if (*load_plugins)
131 load_plugins++;
132load_plugin_fail:
133 av_freep(&plugin);
134 if (err < 0)
135 return err;
136 }
137
138 return 0;
139
140}
141
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142int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
143 const char *load_plugins)
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144{
145 mfxIMPL impl = MFX_IMPL_AUTO_ANY;
146 mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
147
148 const char *desc;
149 int ret;
150
151 ret = MFXInit(impl, &ver, session);
152 if (ret < 0) {
153 av_log(avctx, AV_LOG_ERROR, "Error initializing an internal MFX session\n");
154 return ff_qsv_error(ret);
155 }
156
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157 ret = qsv_load_plugins(*session, load_plugins, avctx);
158 if (ret < 0) {
159 av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
160 return ret;
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161 }
162
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163 MFXQueryIMPL(*session, &impl);
164
165 switch (MFX_IMPL_BASETYPE(impl)) {
166 case MFX_IMPL_SOFTWARE:
167 desc = "software";
168 break;
169 case MFX_IMPL_HARDWARE:
170 case MFX_IMPL_HARDWARE2:
171 case MFX_IMPL_HARDWARE3:
172 case MFX_IMPL_HARDWARE4:
173 desc = "hardware accelerated";
174 break;
175 default:
176 desc = "unknown";
177 }
178
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179 av_log(avctx, AV_LOG_VERBOSE,
180 "Initialized an internal MFX session using %s implementation\n",
181 desc);
182
183 return 0;
184}
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185
186static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
187 mfxFrameAllocResponse *resp)
188{
189 QSVFramesContext *ctx = pthis;
190 mfxFrameInfo *i = &req->Info;
191 mfxFrameInfo *i1 = &ctx->info;
192
193 if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET) ||
ad9c9440 194 !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)) ||
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195 !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
196 return MFX_ERR_UNSUPPORTED;
197 if (i->Width != i1->Width || i->Height != i1->Height ||
198 i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
199 av_log(ctx, AV_LOG_ERROR, "Mismatching surface properties in an "
200 "allocation request: %dx%d %d %d vs %dx%d %d %d\n",
201 i->Width, i->Height, i->FourCC, i->ChromaFormat,
202 i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
203 return MFX_ERR_UNSUPPORTED;
204 }
205
206 resp->mids = ctx->mids;
207 resp->NumFrameActual = ctx->nb_mids;
208
209 return MFX_ERR_NONE;
210}
211
212static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
213{
214 return MFX_ERR_NONE;
215}
216
217static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
218{
219 return MFX_ERR_UNSUPPORTED;
220}
221
222static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
223{
224 return MFX_ERR_UNSUPPORTED;
225}
226
227static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
228{
229 *hdl = mid;
230 return MFX_ERR_NONE;
231}
232
233int ff_qsv_init_session_hwcontext(AVCodecContext *avctx, mfxSession *psession,
234 QSVFramesContext *qsv_frames_ctx,
235 const char *load_plugins, int opaque)
236{
237 static const mfxHandleType handle_types[] = {
238 MFX_HANDLE_VA_DISPLAY,
239 MFX_HANDLE_D3D9_DEVICE_MANAGER,
240 MFX_HANDLE_D3D11_DEVICE,
241 };
242 mfxFrameAllocator frame_allocator = {
243 .pthis = qsv_frames_ctx,
244 .Alloc = qsv_frame_alloc,
245 .Lock = qsv_frame_lock,
246 .Unlock = qsv_frame_unlock,
247 .GetHDL = qsv_frame_get_hdl,
248 .Free = qsv_frame_free,
249 };
250
251 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
252 AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
253 AVQSVDeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
254 mfxSession parent_session = device_hwctx->session;
255
256 mfxSession session;
257 mfxVersion ver;
258 mfxIMPL impl;
259 mfxHDL handle = NULL;
260 mfxHandleType handle_type;
261 mfxStatus err;
262
263 int i, ret;
264
265 err = MFXQueryIMPL(parent_session, &impl);
266 if (err == MFX_ERR_NONE)
267 err = MFXQueryVersion(parent_session, &ver);
268 if (err != MFX_ERR_NONE) {
269 av_log(avctx, AV_LOG_ERROR, "Error querying the session attributes\n");
270 return ff_qsv_error(err);
271 }
272
273 for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
274 err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
275 if (err == MFX_ERR_NONE) {
276 handle_type = handle_types[i];
277 break;
278 }
279 handle = NULL;
280 }
281 if (!handle) {
282 av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
283 "from the session\n");
284 }
285
286 err = MFXInit(impl, &ver, &session);
287 if (err != MFX_ERR_NONE) {
288 av_log(avctx, AV_LOG_ERROR,
289 "Error initializing a child MFX session: %d\n", err);
290 return ff_qsv_error(err);
291 }
292
293 if (handle) {
294 err = MFXVideoCORE_SetHandle(session, handle_type, handle);
295 if (err != MFX_ERR_NONE) {
296 av_log(avctx, AV_LOG_ERROR, "Error setting a HW handle: %d\n", err);
297 return ff_qsv_error(err);
298 }
299 }
300
301 ret = qsv_load_plugins(session, load_plugins, avctx);
302 if (ret < 0) {
303 av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
304 return ret;
305 }
306
307 if (!opaque) {
308 av_freep(&qsv_frames_ctx->mids);
309 qsv_frames_ctx->mids = av_mallocz_array(frames_hwctx->nb_surfaces,
310 sizeof(*qsv_frames_ctx->mids));
311 if (!qsv_frames_ctx->mids)
312 return AVERROR(ENOMEM);
313
314 qsv_frames_ctx->info = frames_hwctx->surfaces[0].Info;
315 qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
316 for (i = 0; i < frames_hwctx->nb_surfaces; i++)
317 qsv_frames_ctx->mids[i] = frames_hwctx->surfaces[i].Data.MemId;
318
319 err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
320 if (err != MFX_ERR_NONE) {
321 av_log(avctx, AV_LOG_ERROR, "Error setting a frame allocator: %d\n", err);
322 return ff_qsv_error(err);
323 }
324 }
325
326 *psession = session;
327 return 0;
328}