/* * Intel MediaSDK QSV encoder/decoder shared code * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include "libavutil/avstring.h" #include "libavutil/common.h" #include "libavutil/error.h" #include "libavutil/hwcontext.h" #include "libavutil/hwcontext_qsv.h" #include "libavutil/imgutils.h" #include "libavutil/avassert.h" #include "avcodec.h" #include "qsv_internal.h" #if QSV_VERSION_ATLEAST(1, 12) #include "mfx/mfxvp8.h" #endif int ff_qsv_codec_id_to_mfx(enum AVCodecID codec_id) { switch (codec_id) { case AV_CODEC_ID_H264: return MFX_CODEC_AVC; #if QSV_VERSION_ATLEAST(1, 8) case AV_CODEC_ID_HEVC: return MFX_CODEC_HEVC; #endif case AV_CODEC_ID_MPEG1VIDEO: case AV_CODEC_ID_MPEG2VIDEO: return MFX_CODEC_MPEG2; case AV_CODEC_ID_VC1: return MFX_CODEC_VC1; #if QSV_VERSION_ATLEAST(1, 12) case AV_CODEC_ID_VP8: return MFX_CODEC_VP8; #endif case AV_CODEC_ID_MJPEG: return MFX_CODEC_JPEG; #if QSV_VERSION_ATLEAST(1, 19) case AV_CODEC_ID_VP9: return MFX_CODEC_VP9; #endif default: break; } return AVERROR(ENOSYS); } static const struct { enum AVCodecID codec_id; int codec_profile; int mfx_profile; } qsv_profile_map[] = { #define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, MFX_PROFILE_ ## v } MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2_SIMPLE ), MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2_MAIN ), MAP(MPEG2VIDEO, MPEG2_HIGH, MPEG2_HIGH ), MAP(H264, H264_BASELINE, AVC_BASELINE ), MAP(H264, H264_CONSTRAINED_BASELINE, AVC_BASELINE), #if QSV_VERSION_ATLEAST(1, 3) MAP(H264, H264_EXTENDED, AVC_EXTENDED ), #endif MAP(H264, H264_MAIN, AVC_MAIN ), MAP(H264, H264_HIGH, AVC_HIGH ), MAP(H264, H264_HIGH_422, AVC_HIGH_422 ), #if QSV_VERSION_ATLEAST(1, 8) MAP(HEVC, HEVC_MAIN, HEVC_MAIN ), MAP(HEVC, HEVC_MAIN_10, HEVC_MAIN10 ), MAP(HEVC, HEVC_MAIN_STILL_PICTURE, HEVC_MAINSP ), #endif #if QSV_VERSION_ATLEAST(1, 16) MAP(HEVC, HEVC_REXT, HEVC_REXT ), #endif MAP(VC1, VC1_SIMPLE, VC1_SIMPLE ), MAP(VC1, VC1_MAIN, VC1_MAIN ), MAP(VC1, VC1_COMPLEX, VC1_ADVANCED ), MAP(VC1, VC1_ADVANCED, VC1_ADVANCED ), #undef MAP }; int ff_qsv_profile_to_mfx(enum AVCodecID codec_id, int profile) { int i; if (profile == FF_PROFILE_UNKNOWN) return MFX_PROFILE_UNKNOWN; for (i = 0; i < FF_ARRAY_ELEMS(qsv_profile_map); i++) { if (qsv_profile_map[i].codec_id != codec_id) continue; if (qsv_profile_map[i].codec_profile == profile) return qsv_profile_map[i].mfx_profile; } return MFX_PROFILE_UNKNOWN; } int ff_qsv_level_to_mfx(enum AVCodecID codec_id, int level) { if (level == FF_LEVEL_UNKNOWN) return MFX_LEVEL_UNKNOWN; switch (codec_id) { case AV_CODEC_ID_HEVC: return level / 3; default: return level; } } static const struct { int mfx_iopattern; const char *desc; } qsv_iopatterns[] = { {MFX_IOPATTERN_IN_VIDEO_MEMORY, "input is video memory surface" }, {MFX_IOPATTERN_IN_SYSTEM_MEMORY, "input is system memory surface" }, {MFX_IOPATTERN_IN_OPAQUE_MEMORY, "input is opaque memory surface" }, {MFX_IOPATTERN_OUT_VIDEO_MEMORY, "output is video memory surface" }, {MFX_IOPATTERN_OUT_SYSTEM_MEMORY, "output is system memory surface" }, {MFX_IOPATTERN_OUT_OPAQUE_MEMORY, "output is opaque memory surface" }, }; int ff_qsv_print_iopattern(void *log_ctx, int mfx_iopattern, const char *extra_string) { const char *desc = NULL; for (int i = 0; i < FF_ARRAY_ELEMS(qsv_iopatterns); i++) { if (qsv_iopatterns[i].mfx_iopattern == mfx_iopattern) { desc = qsv_iopatterns[i].desc; } } if (!desc) desc = "unknown iopattern"; av_log(log_ctx, AV_LOG_VERBOSE, "%s: %s\n", extra_string, desc); return 0; } static const struct { mfxStatus mfxerr; int averr; const char *desc; } qsv_errors[] = { { MFX_ERR_NONE, 0, "success" }, { MFX_ERR_UNKNOWN, AVERROR_UNKNOWN, "unknown error" }, { MFX_ERR_NULL_PTR, AVERROR(EINVAL), "NULL pointer" }, { MFX_ERR_UNSUPPORTED, AVERROR(ENOSYS), "unsupported" }, { MFX_ERR_MEMORY_ALLOC, AVERROR(ENOMEM), "failed to allocate memory" }, { MFX_ERR_NOT_ENOUGH_BUFFER, AVERROR(ENOMEM), "insufficient input/output buffer" }, { MFX_ERR_INVALID_HANDLE, AVERROR(EINVAL), "invalid handle" }, { MFX_ERR_LOCK_MEMORY, AVERROR(EIO), "failed to lock the memory block" }, { MFX_ERR_NOT_INITIALIZED, AVERROR_BUG, "not initialized" }, { MFX_ERR_NOT_FOUND, AVERROR(ENOSYS), "specified object was not found" }, /* the following 3 errors should always be handled explicitly, so those "mappings" * are for completeness only */ { MFX_ERR_MORE_DATA, AVERROR_UNKNOWN, "expect more data at input" }, { MFX_ERR_MORE_SURFACE, AVERROR_UNKNOWN, "expect more surface at output" }, { MFX_ERR_MORE_BITSTREAM, AVERROR_UNKNOWN, "expect more bitstream at output" }, { MFX_ERR_ABORTED, AVERROR_UNKNOWN, "operation aborted" }, { MFX_ERR_DEVICE_LOST, AVERROR(EIO), "device lost" }, { MFX_ERR_INCOMPATIBLE_VIDEO_PARAM, AVERROR(EINVAL), "incompatible video parameters" }, { MFX_ERR_INVALID_VIDEO_PARAM, AVERROR(EINVAL), "invalid video parameters" }, { MFX_ERR_UNDEFINED_BEHAVIOR, AVERROR_BUG, "undefined behavior" }, { MFX_ERR_DEVICE_FAILED, AVERROR(EIO), "device failed" }, { MFX_ERR_INCOMPATIBLE_AUDIO_PARAM, AVERROR(EINVAL), "incompatible audio parameters" }, { MFX_ERR_INVALID_AUDIO_PARAM, AVERROR(EINVAL), "invalid audio parameters" }, { MFX_WRN_IN_EXECUTION, 0, "operation in execution" }, { MFX_WRN_DEVICE_BUSY, 0, "device busy" }, { MFX_WRN_VIDEO_PARAM_CHANGED, 0, "video parameters changed" }, { MFX_WRN_PARTIAL_ACCELERATION, 0, "partial acceleration" }, { MFX_WRN_INCOMPATIBLE_VIDEO_PARAM, 0, "incompatible video parameters" }, { MFX_WRN_VALUE_NOT_CHANGED, 0, "value is saturated" }, { MFX_WRN_OUT_OF_RANGE, 0, "value out of range" }, { MFX_WRN_FILTER_SKIPPED, 0, "filter skipped" }, { MFX_WRN_INCOMPATIBLE_AUDIO_PARAM, 0, "incompatible audio parameters" }, }; int ff_qsv_map_error(mfxStatus mfx_err, const char **desc) { int i; for (i = 0; i < FF_ARRAY_ELEMS(qsv_errors); i++) { if (qsv_errors[i].mfxerr == mfx_err) { if (desc) *desc = qsv_errors[i].desc; return qsv_errors[i].averr; } } if (desc) *desc = "unknown error"; return AVERROR_UNKNOWN; } int ff_qsv_print_error(void *log_ctx, mfxStatus err, const char *error_string) { const char *desc; int ret; ret = ff_qsv_map_error(err, &desc); av_log(log_ctx, AV_LOG_ERROR, "%s: %s (%d)\n", error_string, desc, err); return ret; } int ff_qsv_print_warning(void *log_ctx, mfxStatus err, const char *warning_string) { const char *desc; int ret; ret = ff_qsv_map_error(err, &desc); av_log(log_ctx, AV_LOG_WARNING, "%s: %s (%d)\n", warning_string, desc, err); return ret; } enum AVPixelFormat ff_qsv_map_fourcc(uint32_t fourcc) { switch (fourcc) { case MFX_FOURCC_NV12: return AV_PIX_FMT_NV12; case MFX_FOURCC_P010: return AV_PIX_FMT_P010; case MFX_FOURCC_P8: return AV_PIX_FMT_PAL8; } return AV_PIX_FMT_NONE; } int ff_qsv_map_pixfmt(enum AVPixelFormat format, uint32_t *fourcc) { switch (format) { case AV_PIX_FMT_YUV420P: case AV_PIX_FMT_YUVJ420P: case AV_PIX_FMT_NV12: *fourcc = MFX_FOURCC_NV12; return AV_PIX_FMT_NV12; case AV_PIX_FMT_YUV420P10: case AV_PIX_FMT_P010: *fourcc = MFX_FOURCC_P010; return AV_PIX_FMT_P010; default: return AVERROR(ENOSYS); } } int ff_qsv_find_surface_idx(QSVFramesContext *ctx, QSVFrame *frame) { int i; for (i = 0; i < ctx->nb_mids; i++) { QSVMid *mid = &ctx->mids[i]; if (mid->handle == frame->surface.Data.MemId) return i; } return AVERROR_BUG; } enum AVFieldOrder ff_qsv_map_picstruct(int mfx_pic_struct) { enum AVFieldOrder field = AV_FIELD_UNKNOWN; switch (mfx_pic_struct & 0xF) { case MFX_PICSTRUCT_PROGRESSIVE: field = AV_FIELD_PROGRESSIVE; break; case MFX_PICSTRUCT_FIELD_TFF: field = AV_FIELD_TT; break; case MFX_PICSTRUCT_FIELD_BFF: field = AV_FIELD_BB; break; } return field; } enum AVPictureType ff_qsv_map_pictype(int mfx_pic_type) { enum AVPictureType type; switch (mfx_pic_type & 0x7) { case MFX_FRAMETYPE_I: if (mfx_pic_type & MFX_FRAMETYPE_S) type = AV_PICTURE_TYPE_SI; else type = AV_PICTURE_TYPE_I; break; case MFX_FRAMETYPE_B: type = AV_PICTURE_TYPE_B; break; case MFX_FRAMETYPE_P: if (mfx_pic_type & MFX_FRAMETYPE_S) type = AV_PICTURE_TYPE_SP; else type = AV_PICTURE_TYPE_P; break; case MFX_FRAMETYPE_UNKNOWN: type = AV_PICTURE_TYPE_NONE; break; default: av_assert0(0); } return type; } static int qsv_load_plugins(mfxSession session, const char *load_plugins, void *logctx) { if (!load_plugins || !*load_plugins) return 0; while (*load_plugins) { mfxPluginUID uid; mfxStatus ret; int i, err = 0; char *plugin = av_get_token(&load_plugins, ":"); if (!plugin) return AVERROR(ENOMEM); if (strlen(plugin) != 2 * sizeof(uid.Data)) { av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID length\n"); err = AVERROR(EINVAL); goto load_plugin_fail; } for (i = 0; i < sizeof(uid.Data); i++) { err = sscanf(plugin + 2 * i, "%2hhx", uid.Data + i); if (err != 1) { av_log(logctx, AV_LOG_ERROR, "Invalid plugin UID\n"); err = AVERROR(EINVAL); goto load_plugin_fail; } } ret = MFXVideoUSER_Load(session, &uid, 1); if (ret < 0) { char errorbuf[128]; snprintf(errorbuf, sizeof(errorbuf), "Could not load the requested plugin '%s'", plugin); err = ff_qsv_print_error(logctx, ret, errorbuf); goto load_plugin_fail; } if (*load_plugins) load_plugins++; load_plugin_fail: av_freep(&plugin); if (err < 0) return err; } return 0; } //This code is only required for Linux since a display handle is required. //For Windows the session is complete and ready to use. #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE static int ff_qsv_set_display_handle(AVCodecContext *avctx, QSVSession *qs) { AVDictionary *child_device_opts = NULL; AVVAAPIDeviceContext *hwctx; int ret; av_dict_set(&child_device_opts, "kernel_driver", "i915", 0); av_dict_set(&child_device_opts, "driver", "iHD", 0); ret = av_hwdevice_ctx_create(&qs->va_device_ref, AV_HWDEVICE_TYPE_VAAPI, NULL, child_device_opts, 0); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to create a VAAPI device.\n"); return ret; } else { qs->va_device_ctx = (AVHWDeviceContext*)qs->va_device_ref->data; hwctx = qs->va_device_ctx->hwctx; ret = MFXVideoCORE_SetHandle(qs->session, (mfxHandleType)MFX_HANDLE_VA_DISPLAY, (mfxHDL)hwctx->display); if (ret < 0) { return ff_qsv_print_error(avctx, ret, "Error during set display handle\n"); } } av_dict_free(&child_device_opts); return 0; } #endif //AVCODEC_QSV_LINUX_SESSION_HANDLE int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs, const char *load_plugins, int gpu_copy) { mfxIMPL impl = MFX_IMPL_AUTO_ANY; mfxVersion ver = { { QSV_VERSION_MINOR, QSV_VERSION_MAJOR } }; mfxInitParam init_par = { MFX_IMPL_AUTO_ANY }; const char *desc; int ret; #if QSV_VERSION_ATLEAST(1, 16) init_par.GPUCopy = gpu_copy; #endif init_par.Implementation = impl; init_par.Version = ver; ret = MFXInitEx(init_par, &qs->session); if (ret < 0) return ff_qsv_print_error(avctx, ret, "Error initializing an internal MFX session"); #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE ret = ff_qsv_set_display_handle(avctx, qs); if (ret < 0) return ret; #endif ret = qsv_load_plugins(qs->session, load_plugins, avctx); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n"); return ret; } MFXQueryIMPL(qs->session, &impl); switch (MFX_IMPL_BASETYPE(impl)) { case MFX_IMPL_SOFTWARE: desc = "software"; break; case MFX_IMPL_HARDWARE: case MFX_IMPL_HARDWARE2: case MFX_IMPL_HARDWARE3: case MFX_IMPL_HARDWARE4: desc = "hardware accelerated"; break; default: desc = "unknown"; } av_log(avctx, AV_LOG_VERBOSE, "Initialized an internal MFX session using %s implementation\n", desc); return 0; } static void mids_buf_free(void *opaque, uint8_t *data) { AVBufferRef *hw_frames_ref = opaque; av_buffer_unref(&hw_frames_ref); av_freep(&data); } static AVBufferRef *qsv_create_mids(AVBufferRef *hw_frames_ref) { AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; int nb_surfaces = frames_hwctx->nb_surfaces; AVBufferRef *mids_buf, *hw_frames_ref1; QSVMid *mids; int i; hw_frames_ref1 = av_buffer_ref(hw_frames_ref); if (!hw_frames_ref1) return NULL; mids = av_mallocz_array(nb_surfaces, sizeof(*mids)); if (!mids) { av_buffer_unref(&hw_frames_ref1); return NULL; } mids_buf = av_buffer_create((uint8_t*)mids, nb_surfaces * sizeof(*mids), mids_buf_free, hw_frames_ref1, 0); if (!mids_buf) { av_buffer_unref(&hw_frames_ref1); av_freep(&mids); return NULL; } for (i = 0; i < nb_surfaces; i++) { QSVMid *mid = &mids[i]; mid->handle = frames_hwctx->surfaces[i].Data.MemId; mid->hw_frames_ref = hw_frames_ref1; } return mids_buf; } static int qsv_setup_mids(mfxFrameAllocResponse *resp, AVBufferRef *hw_frames_ref, AVBufferRef *mids_buf) { AVHWFramesContext *frames_ctx = (AVHWFramesContext*)hw_frames_ref->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; QSVMid *mids = (QSVMid*)mids_buf->data; int nb_surfaces = frames_hwctx->nb_surfaces; int i; // the allocated size of the array is two larger than the number of // surfaces, we store the references to the frames context and the // QSVMid array there resp->mids = av_mallocz_array(nb_surfaces + 2, sizeof(*resp->mids)); if (!resp->mids) return AVERROR(ENOMEM); for (i = 0; i < nb_surfaces; i++) resp->mids[i] = &mids[i]; resp->NumFrameActual = nb_surfaces; resp->mids[resp->NumFrameActual] = (mfxMemId)av_buffer_ref(hw_frames_ref); if (!resp->mids[resp->NumFrameActual]) { av_freep(&resp->mids); return AVERROR(ENOMEM); } resp->mids[resp->NumFrameActual + 1] = av_buffer_ref(mids_buf); if (!resp->mids[resp->NumFrameActual + 1]) { av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]); av_freep(&resp->mids); return AVERROR(ENOMEM); } return 0; } static mfxStatus qsv_frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req, mfxFrameAllocResponse *resp) { QSVFramesContext *ctx = pthis; int ret; /* this should only be called from an encoder or decoder and * only allocates video memory frames */ if (!(req->Type & (MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET | MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET)) || !(req->Type & (MFX_MEMTYPE_FROM_DECODE | MFX_MEMTYPE_FROM_ENCODE))) return MFX_ERR_UNSUPPORTED; if (req->Type & MFX_MEMTYPE_EXTERNAL_FRAME) { /* external frames -- fill from the caller-supplied frames context */ AVHWFramesContext *frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; mfxFrameInfo *i = &req->Info; mfxFrameInfo *i1 = &frames_hwctx->surfaces[0].Info; if (i->Width > i1->Width || i->Height > i1->Height || i->FourCC != i1->FourCC || i->ChromaFormat != i1->ChromaFormat) { av_log(ctx->logctx, AV_LOG_ERROR, "Mismatching surface properties in an " "allocation request: %dx%d %d %d vs %dx%d %d %d\n", i->Width, i->Height, i->FourCC, i->ChromaFormat, i1->Width, i1->Height, i1->FourCC, i1->ChromaFormat); return MFX_ERR_UNSUPPORTED; } ret = qsv_setup_mids(resp, ctx->hw_frames_ctx, ctx->mids_buf); if (ret < 0) { av_log(ctx->logctx, AV_LOG_ERROR, "Error filling an external frame allocation request\n"); return MFX_ERR_MEMORY_ALLOC; } } else if (req->Type & MFX_MEMTYPE_INTERNAL_FRAME) { /* internal frames -- allocate a new hw frames context */ AVHWFramesContext *ext_frames_ctx = (AVHWFramesContext*)ctx->hw_frames_ctx->data; mfxFrameInfo *i = &req->Info; AVBufferRef *frames_ref, *mids_buf; AVHWFramesContext *frames_ctx; AVQSVFramesContext *frames_hwctx; frames_ref = av_hwframe_ctx_alloc(ext_frames_ctx->device_ref); if (!frames_ref) return MFX_ERR_MEMORY_ALLOC; frames_ctx = (AVHWFramesContext*)frames_ref->data; frames_hwctx = frames_ctx->hwctx; frames_ctx->format = AV_PIX_FMT_QSV; frames_ctx->sw_format = ff_qsv_map_fourcc(i->FourCC); frames_ctx->width = i->Width; frames_ctx->height = i->Height; frames_ctx->initial_pool_size = req->NumFrameSuggested; frames_hwctx->frame_type = req->Type; ret = av_hwframe_ctx_init(frames_ref); if (ret < 0) { av_log(ctx->logctx, AV_LOG_ERROR, "Error initializing a frames context for an internal frame " "allocation request\n"); av_buffer_unref(&frames_ref); return MFX_ERR_MEMORY_ALLOC; } mids_buf = qsv_create_mids(frames_ref); if (!mids_buf) { av_buffer_unref(&frames_ref); return MFX_ERR_MEMORY_ALLOC; } ret = qsv_setup_mids(resp, frames_ref, mids_buf); av_buffer_unref(&mids_buf); av_buffer_unref(&frames_ref); if (ret < 0) { av_log(ctx->logctx, AV_LOG_ERROR, "Error filling an internal frame allocation request\n"); return MFX_ERR_MEMORY_ALLOC; } } else { return MFX_ERR_UNSUPPORTED; } return MFX_ERR_NONE; } static mfxStatus qsv_frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp) { av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual]); av_buffer_unref((AVBufferRef**)&resp->mids[resp->NumFrameActual + 1]); av_freep(&resp->mids); return MFX_ERR_NONE; } static mfxStatus qsv_frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr) { QSVMid *qsv_mid = mid; AVHWFramesContext *hw_frames_ctx = (AVHWFramesContext*)qsv_mid->hw_frames_ref->data; AVQSVFramesContext *hw_frames_hwctx = hw_frames_ctx->hwctx; int ret; if (qsv_mid->locked_frame) return MFX_ERR_UNDEFINED_BEHAVIOR; /* Allocate a system memory frame that will hold the mapped data. */ qsv_mid->locked_frame = av_frame_alloc(); if (!qsv_mid->locked_frame) return MFX_ERR_MEMORY_ALLOC; qsv_mid->locked_frame->format = hw_frames_ctx->sw_format; /* wrap the provided handle in a hwaccel AVFrame */ qsv_mid->hw_frame = av_frame_alloc(); if (!qsv_mid->hw_frame) goto fail; qsv_mid->hw_frame->data[3] = (uint8_t*)&qsv_mid->surf; qsv_mid->hw_frame->format = AV_PIX_FMT_QSV; // doesn't really matter what buffer is used here qsv_mid->hw_frame->buf[0] = av_buffer_alloc(1); if (!qsv_mid->hw_frame->buf[0]) goto fail; qsv_mid->hw_frame->width = hw_frames_ctx->width; qsv_mid->hw_frame->height = hw_frames_ctx->height; qsv_mid->hw_frame->hw_frames_ctx = av_buffer_ref(qsv_mid->hw_frames_ref); if (!qsv_mid->hw_frame->hw_frames_ctx) goto fail; qsv_mid->surf.Info = hw_frames_hwctx->surfaces[0].Info; qsv_mid->surf.Data.MemId = qsv_mid->handle; /* map the data to the system memory */ ret = av_hwframe_map(qsv_mid->locked_frame, qsv_mid->hw_frame, AV_HWFRAME_MAP_DIRECT); if (ret < 0) goto fail; ptr->Pitch = qsv_mid->locked_frame->linesize[0]; ptr->Y = qsv_mid->locked_frame->data[0]; ptr->U = qsv_mid->locked_frame->data[1]; ptr->V = qsv_mid->locked_frame->data[1] + 1; return MFX_ERR_NONE; fail: av_frame_free(&qsv_mid->hw_frame); av_frame_free(&qsv_mid->locked_frame); return MFX_ERR_MEMORY_ALLOC; } static mfxStatus qsv_frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr) { QSVMid *qsv_mid = mid; av_frame_free(&qsv_mid->locked_frame); av_frame_free(&qsv_mid->hw_frame); return MFX_ERR_NONE; } static mfxStatus qsv_frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl) { QSVMid *qsv_mid = (QSVMid*)mid; *hdl = qsv_mid->handle; return MFX_ERR_NONE; } int ff_qsv_init_session_device(AVCodecContext *avctx, mfxSession *psession, AVBufferRef *device_ref, const char *load_plugins, int gpu_copy) { static const mfxHandleType handle_types[] = { MFX_HANDLE_VA_DISPLAY, MFX_HANDLE_D3D9_DEVICE_MANAGER, MFX_HANDLE_D3D11_DEVICE, }; AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)device_ref->data; AVQSVDeviceContext *device_hwctx = device_ctx->hwctx; mfxSession parent_session = device_hwctx->session; mfxInitParam init_par = { MFX_IMPL_AUTO_ANY }; mfxHDL handle = NULL; mfxSession session; mfxVersion ver; mfxIMPL impl; mfxHandleType handle_type; mfxStatus err; int i, ret; err = MFXQueryIMPL(parent_session, &impl); if (err == MFX_ERR_NONE) err = MFXQueryVersion(parent_session, &ver); if (err != MFX_ERR_NONE) return ff_qsv_print_error(avctx, err, "Error querying the session attributes"); for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) { err = MFXVideoCORE_GetHandle(parent_session, handle_types[i], &handle); if (err == MFX_ERR_NONE) { handle_type = handle_types[i]; break; } handle = NULL; } if (!handle) { av_log(avctx, AV_LOG_VERBOSE, "No supported hw handle could be retrieved " "from the session\n"); } #if QSV_VERSION_ATLEAST(1, 16) init_par.GPUCopy = gpu_copy; #endif init_par.Implementation = impl; init_par.Version = ver; err = MFXInitEx(init_par, &session); if (err != MFX_ERR_NONE) return ff_qsv_print_error(avctx, err, "Error initializing a child MFX session"); if (handle) { err = MFXVideoCORE_SetHandle(session, handle_type, handle); if (err != MFX_ERR_NONE) return ff_qsv_print_error(avctx, err, "Error setting a HW handle"); } if (QSV_RUNTIME_VERSION_ATLEAST(ver, 1, 25)) { err = MFXJoinSession(parent_session, session); if (err != MFX_ERR_NONE) return ff_qsv_print_error(avctx, err, "Error joining session"); } ret = qsv_load_plugins(session, load_plugins, avctx); if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Error loading plugins\n"); return ret; } *psession = session; return 0; } int ff_qsv_init_session_frames(AVCodecContext *avctx, mfxSession *psession, QSVFramesContext *qsv_frames_ctx, const char *load_plugins, int opaque, int gpu_copy) { mfxFrameAllocator frame_allocator = { .pthis = qsv_frames_ctx, .Alloc = qsv_frame_alloc, .Lock = qsv_frame_lock, .Unlock = qsv_frame_unlock, .GetHDL = qsv_frame_get_hdl, .Free = qsv_frame_free, }; AVHWFramesContext *frames_ctx = (AVHWFramesContext*)qsv_frames_ctx->hw_frames_ctx->data; AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; mfxSession session; mfxStatus err; int ret; ret = ff_qsv_init_session_device(avctx, &session, frames_ctx->device_ref, load_plugins, gpu_copy); if (ret < 0) return ret; if (!opaque) { qsv_frames_ctx->logctx = avctx; /* allocate the memory ids for the external frames */ av_buffer_unref(&qsv_frames_ctx->mids_buf); qsv_frames_ctx->mids_buf = qsv_create_mids(qsv_frames_ctx->hw_frames_ctx); if (!qsv_frames_ctx->mids_buf) return AVERROR(ENOMEM); qsv_frames_ctx->mids = (QSVMid*)qsv_frames_ctx->mids_buf->data; qsv_frames_ctx->nb_mids = frames_hwctx->nb_surfaces; err = MFXVideoCORE_SetFrameAllocator(session, &frame_allocator); if (err != MFX_ERR_NONE) return ff_qsv_print_error(avctx, err, "Error setting a frame allocator"); } *psession = session; return 0; } int ff_qsv_close_internal_session(QSVSession *qs) { if (qs->session) { MFXClose(qs->session); qs->session = NULL; } #ifdef AVCODEC_QSV_LINUX_SESSION_HANDLE av_buffer_unref(&qs->va_device_ref); #endif return 0; }