2 * Intel MediaSDK QSV encoder/decoder shared code
4 * This file is part of Libav.
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.
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.
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
21 #include <mfx/mfxvideo.h>
22 #include <mfx/mfxplugin.h>
27 #include "libavutil/avstring.h"
28 #include "libavutil/error.h"
31 #include "qsv_internal.h"
33 int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
36 case AV_CODEC_ID_H264:
38 #if QSV_VERSION_ATLEAST(1, 8)
39 case AV_CODEC_ID_HEVC:
40 return MFX_CODEC_HEVC;
42 case AV_CODEC_ID_MPEG1VIDEO:
43 case AV_CODEC_ID_MPEG2VIDEO:
44 return MFX_CODEC_MPEG2;
51 return AVERROR(ENOSYS);
54 int ff_qsv_error(int mfx_err)
59 case MFX_ERR_MEMORY_ALLOC:
60 case MFX_ERR_NOT_ENOUGH_BUFFER:
61 return AVERROR(ENOMEM);
62 case MFX_ERR_INVALID_HANDLE:
63 return AVERROR(EINVAL);
64 case MFX_ERR_DEVICE_FAILED:
65 case MFX_ERR_DEVICE_LOST:
66 case MFX_ERR_LOCK_MEMORY:
68 case MFX_ERR_NULL_PTR:
69 case MFX_ERR_UNDEFINED_BEHAVIOR:
70 case MFX_ERR_NOT_INITIALIZED:
72 case MFX_ERR_UNSUPPORTED:
73 case MFX_ERR_NOT_FOUND:
74 return AVERROR(ENOSYS);
75 case MFX_ERR_MORE_DATA:
76 case MFX_ERR_MORE_SURFACE:
77 case MFX_ERR_MORE_BITSTREAM:
78 return AVERROR(EAGAIN);
79 case MFX_ERR_INCOMPATIBLE_VIDEO_PARAM:
80 case MFX_ERR_INVALID_VIDEO_PARAM:
81 return AVERROR(EINVAL);
85 return AVERROR_UNKNOWN;
89 int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
90 const char *load_plugins)
92 mfxIMPL impl = MFX_IMPL_AUTO_ANY;
93 mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
98 ret = MFXInit(impl, &ver, session);
100 av_log(avctx, AV_LOG_ERROR, "Error initializing an internal MFX session\n");
101 return ff_qsv_error(ret);
104 if (load_plugins && *load_plugins) {
105 while (*load_plugins) {
109 char *plugin = av_get_token(&load_plugins, ":");
111 return AVERROR(ENOMEM);
112 if (strlen(plugin) != 2 * sizeof(uid.Data)) {
113 av_log(avctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
114 err = AVERROR(EINVAL);
115 goto load_plugin_fail;
118 for (i = 0; i < sizeof(uid.Data); i++) {
119 err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
121 av_log(avctx, AV_LOG_ERROR, "Invalid plugin UID\n");
122 err = AVERROR(EINVAL);
123 goto load_plugin_fail;
128 ret = MFXVideoUSER_Load(*session, &uid, 1);
130 av_log(avctx, AV_LOG_ERROR, "Could not load the requested plugin: %s\n",
132 err = ff_qsv_error(ret);
133 goto load_plugin_fail;
145 MFXQueryIMPL(*session, &impl);
147 switch (MFX_IMPL_BASETYPE(impl)) {
148 case MFX_IMPL_SOFTWARE:
151 case MFX_IMPL_HARDWARE:
152 case MFX_IMPL_HARDWARE2:
153 case MFX_IMPL_HARDWARE3:
154 case MFX_IMPL_HARDWARE4:
155 desc = "hardware accelerated";
161 av_log(avctx, AV_LOG_VERBOSE,
162 "Initialized an internal MFX session using %s implementation\n",