2015-03-13 07:13:00 +00:00
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/*
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* Intel MediaSDK QSV encoder/decoder shared code
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <mfx/mfxvideo.h>
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2015-06-16 16:22:11 +00:00
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#include <mfx/mfxplugin.h>
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2015-03-13 07:13:00 +00:00
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2015-06-16 16:22:11 +00:00
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#include <stdio.h>
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#include <string.h>
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#include "libavutil/avstring.h"
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2016-05-27 11:23:19 +00:00
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#include "libavutil/common.h"
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2015-03-13 07:13:00 +00:00
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#include "libavutil/error.h"
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2016-05-27 11:23:19 +00:00
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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_qsv.h"
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2015-03-13 07:13:00 +00:00
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#include "avcodec.h"
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#include "qsv_internal.h"
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int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id)
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{
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switch (codec_id) {
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case AV_CODEC_ID_H264:
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return MFX_CODEC_AVC;
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2015-06-16 16:22:11 +00:00
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#if QSV_VERSION_ATLEAST(1, 8)
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case AV_CODEC_ID_HEVC:
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return MFX_CODEC_HEVC;
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#endif
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2015-03-13 07:13:00 +00:00
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case AV_CODEC_ID_MPEG1VIDEO:
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case AV_CODEC_ID_MPEG2VIDEO:
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return MFX_CODEC_MPEG2;
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case AV_CODEC_ID_VC1:
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return MFX_CODEC_VC1;
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default:
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break;
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}
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return AVERROR(ENOSYS);
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}
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int ff_qsv_error(int mfx_err)
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{
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switch (mfx_err) {
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case MFX_ERR_NONE:
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return 0;
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case MFX_ERR_MEMORY_ALLOC:
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case MFX_ERR_NOT_ENOUGH_BUFFER:
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return AVERROR(ENOMEM);
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case MFX_ERR_INVALID_HANDLE:
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return AVERROR(EINVAL);
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case MFX_ERR_DEVICE_FAILED:
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case MFX_ERR_DEVICE_LOST:
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case MFX_ERR_LOCK_MEMORY:
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return AVERROR(EIO);
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case MFX_ERR_NULL_PTR:
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case MFX_ERR_UNDEFINED_BEHAVIOR:
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case MFX_ERR_NOT_INITIALIZED:
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return AVERROR_BUG;
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case MFX_ERR_UNSUPPORTED:
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case MFX_ERR_NOT_FOUND:
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return AVERROR(ENOSYS);
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case MFX_ERR_MORE_DATA:
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case MFX_ERR_MORE_SURFACE:
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case MFX_ERR_MORE_BITSTREAM:
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return AVERROR(EAGAIN);
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case MFX_ERR_INCOMPATIBLE_VIDEO_PARAM:
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case MFX_ERR_INVALID_VIDEO_PARAM:
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return AVERROR(EINVAL);
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case MFX_ERR_ABORTED:
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case MFX_ERR_UNKNOWN:
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default:
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return AVERROR_UNKNOWN;
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}
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}
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2016-05-27 11:23:19 +00:00
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static int qsv_load_plugins(mfxSession session, const char *load_plugins,
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void *logctx)
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{
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if (!load_plugins || !*load_plugins)
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return 0;
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while (*load_plugins) {
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mfxPluginUID uid;
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mfxStatus ret;
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int i, err = 0;
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char *plugin = av_get_token(&load_plugins, ":");
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if (!plugin)
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return AVERROR(ENOMEM);
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if (strlen(plugin) != 2 * sizeof(uid.Data)) {
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av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n");
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err = AVERROR(EINVAL);
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goto load_plugin_fail;
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}
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for (i = 0; i < sizeof(uid.Data); i++) {
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err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i);
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if (err != 1) {
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av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n");
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err = AVERROR(EINVAL);
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goto load_plugin_fail;
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}
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}
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ret = MFXVideoUSER_Load(session, &uid, 1);
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if (ret < 0) {
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av_log(logctx, AV_LOG_ERROR, "Could not load the requested plugin: %s\n",
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plugin);
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err = ff_qsv_error(ret);
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goto load_plugin_fail;
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}
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if (*load_plugins)
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load_plugins++;
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load_plugin_fail:
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av_freep(&plugin);
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if (err < 0)
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return err;
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}
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return 0;
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}
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2015-06-16 16:22:11 +00:00
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int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session,
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const char *load_plugins)
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2015-03-13 07:13:00 +00:00
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{
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mfxIMPL impl = MFX_IMPL_AUTO_ANY;
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mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } };
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const char *desc;
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int ret;
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ret = MFXInit(impl, &ver, session);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error initializing an internal MFX session\n");
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return ff_qsv_error(ret);
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}
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2016-05-27 11:23:19 +00:00
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ret = qsv_load_plugins(*session, load_plugins, avctx);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
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return ret;
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2015-06-16 16:22:11 +00:00
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}
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2016-02-24 14:13:58 +00:00
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MFXQueryIMPL(*session, &impl);
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switch (MFX_IMPL_BASETYPE(impl)) {
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case MFX_IMPL_SOFTWARE:
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desc = "software";
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break;
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case MFX_IMPL_HARDWARE:
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case MFX_IMPL_HARDWARE2:
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case MFX_IMPL_HARDWARE3:
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case MFX_IMPL_HARDWARE4:
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desc = "hardware accelerated";
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break;
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default:
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desc = "unknown";
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}
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2015-03-13 07:13:00 +00:00
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av_log(avctx, AV_LOG_VERBOSE,
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"Initialized an internal MFX session using %s implementation\n",
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desc);
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return 0;
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}
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2016-05-27 11:23:19 +00:00
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static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
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mfxFrameAllocResponse *resp)
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{
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QSVFramesContext *ctx = pthis;
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mfxFrameInfo *i = &req->Info;
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mfxFrameInfo *i1 = &ctx->info;
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if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET) ||
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2016-06-12 18:45:02 +00:00
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!(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE)) ||
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2016-05-27 11:23:19 +00:00
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!(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
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return MFX_ERR_UNSUPPORTED;
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if (i->Width != i1->Width || i->Height != i1->Height ||
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i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) {
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av_log(ctx, AV_LOG_ERROR, "Mismatching surface properties in an "
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"allocation request: %dx%d %d %d vs %dx%d %d %d\n",
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i->Width, i->Height, i->FourCC, i->ChromaFormat,
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i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat);
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return MFX_ERR_UNSUPPORTED;
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}
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resp->mids = ctx->mids;
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resp->NumFrameActual = ctx->nb_mids;
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return MFX_ERR_NONE;
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}
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static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
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{
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return MFX_ERR_NONE;
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}
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static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
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{
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return MFX_ERR_UNSUPPORTED;
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}
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static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
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{
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return MFX_ERR_UNSUPPORTED;
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}
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static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
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{
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*hdl = mid;
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return MFX_ERR_NONE;
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}
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int ff_qsv_init_session_hwcontext(AVCodecContext *avctx, mfxSession *psession,
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QSVFramesContext *qsv_frames_ctx,
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const char *load_plugins, int opaque)
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{
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static const mfxHandleType handle_types[] = {
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MFX_HANDLE_VA_DISPLAY,
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MFX_HANDLE_D3D9_DEVICE_MANAGER,
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MFX_HANDLE_D3D11_DEVICE,
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};
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mfxFrameAllocator frame_allocator = {
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.pthis = qsv_frames_ctx,
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.Alloc = qsv_frame_alloc,
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.Lock = qsv_frame_lock,
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.Unlock = qsv_frame_unlock,
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.GetHDL = qsv_frame_get_hdl,
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.Free = qsv_frame_free,
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};
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AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data;
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AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
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AVQSVDeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
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mfxSession parent_session = device_hwctx->session;
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mfxSession session;
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mfxVersion ver;
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mfxIMPL impl;
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mfxHDL handle = NULL;
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mfxHandleType handle_type;
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mfxStatus err;
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int i, ret;
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err = MFXQueryIMPL(parent_session, &impl);
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if (err == MFX_ERR_NONE)
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err = MFXQueryVersion(parent_session, &ver);
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if (err != MFX_ERR_NONE) {
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av_log(avctx, AV_LOG_ERROR, "Error querying the session attributes\n");
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return ff_qsv_error(err);
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}
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for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
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err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle);
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if (err == MFX_ERR_NONE) {
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handle_type = handle_types[i];
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break;
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}
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handle = NULL;
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}
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if (!handle) {
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av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved "
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"from the session\n");
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}
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err = MFXInit(impl, &ver, &session);
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if (err != MFX_ERR_NONE) {
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av_log(avctx, AV_LOG_ERROR,
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"Error initializing a child MFX session: %d\n", err);
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return ff_qsv_error(err);
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}
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if (handle) {
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err = MFXVideoCORE_SetHandle(session, handle_type, handle);
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if (err != MFX_ERR_NONE) {
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av_log(avctx, AV_LOG_ERROR, "Error setting a HW handle: %d\n", err);
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return ff_qsv_error(err);
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}
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}
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ret = qsv_load_plugins(session, load_plugins, avctx);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n");
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return ret;
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}
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if (!opaque) {
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av_freep(&qsv_frames_ctx->mids);
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qsv_frames_ctx->mids = av_mallocz_array(frames_hwctx->nb_surfaces,
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sizeof(*qsv_frames_ctx->mids));
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if (!qsv_frames_ctx->mids)
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return AVERROR(ENOMEM);
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qsv_frames_ctx->info = frames_hwctx->surfaces[0].Info;
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qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces;
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for (i = 0; i < frames_hwctx->nb_surfaces; i++)
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qsv_frames_ctx->mids[i] = frames_hwctx->surfaces[i].Data.MemId;
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err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator);
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if (err != MFX_ERR_NONE) {
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av_log(avctx, AV_LOG_ERROR, "Error setting a frame allocator: %d\n", err);
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return ff_qsv_error(err);
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}
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}
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*psession = session;
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return 0;
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}
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