mirror of
https://github.com/FFmpeg/FFmpeg.git
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116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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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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#include "libavutil/error.h"
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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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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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int ff_qsv_init_internal_session(AVCodecContext *avctx, mfxSession *session)
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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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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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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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