| /* |
| * Intel MediaSDK QSV codec-independent code |
| * |
| * copyright (c) 2013 Luca Barbato |
| * copyright (c) 2015 Anton Khirnov <anton@khirnov.net> |
| * |
| * 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 <stdint.h> |
| #include <string.h> |
| #include <sys/types.h> |
| |
| #include <mfx/mfxvideo.h> |
| |
| #include "libavutil/common.h" |
| #include "libavutil/fifo.h" |
| #include "libavutil/frame.h" |
| #include "libavutil/hwcontext.h" |
| #include "libavutil/hwcontext_qsv.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/log.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixfmt.h" |
| #include "libavutil/time.h" |
| #include "libavutil/imgutils.h" |
| |
| #include "avcodec.h" |
| #include "internal.h" |
| #include "decode.h" |
| #include "hwconfig.h" |
| #include "qsv.h" |
| #include "qsv_internal.h" |
| |
| typedef struct QSVContext { |
| // the session used for decoding |
| mfxSession session; |
| |
| // the session we allocated internally, in case the caller did not provide |
| // one |
| QSVSession internal_qs; |
| |
| QSVFramesContext frames_ctx; |
| |
| /** |
| * a linked list of frames currently being used by QSV |
| */ |
| QSVFrame *work_frames; |
| |
| AVFifoBuffer *async_fifo; |
| int zero_consume_run; |
| int buffered_count; |
| int reinit_flag; |
| |
| enum AVPixelFormat orig_pix_fmt; |
| uint32_t fourcc; |
| mfxFrameInfo frame_info; |
| AVBufferPool *pool; |
| |
| int initialized; |
| |
| // options set by the caller |
| int async_depth; |
| int iopattern; |
| int gpu_copy; |
| |
| char *load_plugins; |
| |
| mfxExtBuffer **ext_buffers; |
| int nb_ext_buffers; |
| } QSVContext; |
| |
| static const AVCodecHWConfigInternal *const qsv_hw_configs[] = { |
| &(const AVCodecHWConfigInternal) { |
| .public = { |
| .pix_fmt = AV_PIX_FMT_QSV, |
| .methods = AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX | |
| AV_CODEC_HW_CONFIG_METHOD_AD_HOC, |
| .device_type = AV_HWDEVICE_TYPE_QSV, |
| }, |
| .hwaccel = NULL, |
| }, |
| NULL |
| }; |
| |
| static int qsv_get_continuous_buffer(AVCodecContext *avctx, AVFrame *frame, |
| AVBufferPool *pool) |
| { |
| int ret = 0; |
| |
| ff_decode_frame_props(avctx, frame); |
| |
| frame->width = avctx->width; |
| frame->height = avctx->height; |
| |
| switch (avctx->pix_fmt) { |
| case AV_PIX_FMT_NV12: |
| frame->linesize[0] = FFALIGN(avctx->width, 128); |
| break; |
| case AV_PIX_FMT_P010: |
| frame->linesize[0] = 2 * FFALIGN(avctx->width, 128); |
| break; |
| default: |
| av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| frame->linesize[1] = frame->linesize[0]; |
| frame->buf[0] = av_buffer_pool_get(pool); |
| if (!frame->buf[0]) |
| return AVERROR(ENOMEM); |
| |
| frame->data[0] = frame->buf[0]->data; |
| frame->data[1] = frame->data[0] + |
| frame->linesize[0] * FFALIGN(avctx->height, 64); |
| |
| ret = ff_attach_decode_data(frame); |
| if (ret < 0) |
| return ret; |
| |
| return 0; |
| } |
| |
| static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session, |
| AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref) |
| { |
| int ret; |
| |
| if (q->gpu_copy == MFX_GPUCOPY_ON && |
| !(q->iopattern & MFX_IOPATTERN_OUT_SYSTEM_MEMORY)) { |
| av_log(avctx, AV_LOG_WARNING, "GPU-accelerated memory copy " |
| "only works in system memory mode.\n"); |
| q->gpu_copy = MFX_GPUCOPY_OFF; |
| } |
| if (session) { |
| q->session = session; |
| } else if (hw_frames_ref) { |
| if (q->internal_qs.session) { |
| MFXClose(q->internal_qs.session); |
| q->internal_qs.session = NULL; |
| } |
| av_buffer_unref(&q->frames_ctx.hw_frames_ctx); |
| |
| q->frames_ctx.hw_frames_ctx = av_buffer_ref(hw_frames_ref); |
| if (!q->frames_ctx.hw_frames_ctx) |
| return AVERROR(ENOMEM); |
| |
| ret = ff_qsv_init_session_frames(avctx, &q->internal_qs.session, |
| &q->frames_ctx, q->load_plugins, |
| q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY, |
| q->gpu_copy); |
| if (ret < 0) { |
| av_buffer_unref(&q->frames_ctx.hw_frames_ctx); |
| return ret; |
| } |
| |
| q->session = q->internal_qs.session; |
| } else if (hw_device_ref) { |
| if (q->internal_qs.session) { |
| MFXClose(q->internal_qs.session); |
| q->internal_qs.session = NULL; |
| } |
| |
| ret = ff_qsv_init_session_device(avctx, &q->internal_qs.session, |
| hw_device_ref, q->load_plugins, q->gpu_copy); |
| if (ret < 0) |
| return ret; |
| |
| q->session = q->internal_qs.session; |
| } else { |
| if (!q->internal_qs.session) { |
| ret = ff_qsv_init_internal_session(avctx, &q->internal_qs, |
| q->load_plugins, q->gpu_copy); |
| if (ret < 0) |
| return ret; |
| } |
| |
| q->session = q->internal_qs.session; |
| } |
| |
| /* make sure the decoder is uninitialized */ |
| MFXVideoDECODE_Close(q->session); |
| |
| return 0; |
| } |
| |
| static inline unsigned int qsv_fifo_item_size(void) |
| { |
| return sizeof(mfxSyncPoint*) + sizeof(QSVFrame*); |
| } |
| |
| static inline unsigned int qsv_fifo_size(const AVFifoBuffer* fifo) |
| { |
| return av_fifo_size(fifo) / qsv_fifo_item_size(); |
| } |
| |
| static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param) |
| { |
| mfxSession session = NULL; |
| int iopattern = 0; |
| int ret; |
| enum AVPixelFormat pix_fmts[3] = { |
| AV_PIX_FMT_QSV, /* opaque format in case of video memory output */ |
| pix_fmt, /* system memory format obtained from bitstream parser */ |
| AV_PIX_FMT_NONE }; |
| |
| ret = ff_get_format(avctx, pix_fmts); |
| if (ret < 0) { |
| q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE; |
| return ret; |
| } |
| |
| if (!q->async_fifo) { |
| q->async_fifo = av_fifo_alloc(q->async_depth * qsv_fifo_item_size()); |
| if (!q->async_fifo) |
| return AVERROR(ENOMEM); |
| } |
| |
| if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) { |
| AVQSVContext *user_ctx = avctx->hwaccel_context; |
| session = user_ctx->session; |
| iopattern = user_ctx->iopattern; |
| q->ext_buffers = user_ctx->ext_buffers; |
| q->nb_ext_buffers = user_ctx->nb_ext_buffers; |
| } |
| |
| if (avctx->hw_frames_ctx) { |
| AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data; |
| AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx; |
| |
| if (!iopattern) { |
| if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME) |
| iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY; |
| else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET) |
| iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY; |
| } |
| } |
| |
| if (!iopattern) |
| iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY; |
| q->iopattern = iopattern; |
| |
| ff_qsv_print_iopattern(avctx, q->iopattern, "Decoder"); |
| |
| ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx, avctx->hw_device_ctx); |
| if (ret < 0) { |
| av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n"); |
| return ret; |
| } |
| |
| param->IOPattern = q->iopattern; |
| param->AsyncDepth = q->async_depth; |
| param->ExtParam = q->ext_buffers; |
| param->NumExtParam = q->nb_ext_buffers; |
| |
| return 0; |
| } |
| |
| static int qsv_decode_init_context(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param) |
| { |
| int ret; |
| |
| avctx->width = param->mfx.FrameInfo.CropW; |
| avctx->height = param->mfx.FrameInfo.CropH; |
| avctx->coded_width = param->mfx.FrameInfo.Width; |
| avctx->coded_height = param->mfx.FrameInfo.Height; |
| avctx->level = param->mfx.CodecLevel; |
| avctx->profile = param->mfx.CodecProfile; |
| avctx->field_order = ff_qsv_map_picstruct(param->mfx.FrameInfo.PicStruct); |
| avctx->pix_fmt = ff_qsv_map_fourcc(param->mfx.FrameInfo.FourCC); |
| |
| ret = MFXVideoDECODE_Init(q->session, param); |
| if (ret < 0) |
| return ff_qsv_print_error(avctx, ret, |
| "Error initializing the MFX video decoder"); |
| |
| q->frame_info = param->mfx.FrameInfo; |
| |
| if (!avctx->hw_frames_ctx) |
| q->pool = av_buffer_pool_init(av_image_get_buffer_size(avctx->pix_fmt, |
| FFALIGN(avctx->width, 128), FFALIGN(avctx->height, 64), 1), av_buffer_allocz); |
| return 0; |
| } |
| |
| static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, |
| const AVPacket *avpkt, enum AVPixelFormat pix_fmt, |
| mfxVideoParam *param) |
| { |
| int ret; |
| |
| mfxBitstream bs = { 0 }; |
| |
| if (avpkt->size) { |
| bs.Data = avpkt->data; |
| bs.DataLength = avpkt->size; |
| bs.MaxLength = bs.DataLength; |
| bs.TimeStamp = avpkt->pts; |
| if (avctx->field_order == AV_FIELD_PROGRESSIVE) |
| bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME; |
| } else |
| return AVERROR_INVALIDDATA; |
| |
| |
| if(!q->session) { |
| ret = qsv_decode_preinit(avctx, q, pix_fmt, param); |
| if (ret < 0) |
| return ret; |
| } |
| |
| ret = ff_qsv_codec_id_to_mfx(avctx->codec_id); |
| if (ret < 0) |
| return ret; |
| |
| param->mfx.CodecId = ret; |
| ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, param); |
| if (MFX_ERR_MORE_DATA == ret) { |
| return AVERROR(EAGAIN); |
| } |
| if (ret < 0) |
| return ff_qsv_print_error(avctx, ret, |
| "Error decoding stream header"); |
| |
| return 0; |
| } |
| |
| static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame) |
| { |
| int ret; |
| |
| if (q->pool) |
| ret = qsv_get_continuous_buffer(avctx, frame->frame, q->pool); |
| else |
| ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF); |
| |
| if (ret < 0) |
| return ret; |
| |
| if (frame->frame->format == AV_PIX_FMT_QSV) { |
| frame->surface = *(mfxFrameSurface1*)frame->frame->data[3]; |
| } else { |
| frame->surface.Info = q->frame_info; |
| |
| frame->surface.Data.PitchLow = frame->frame->linesize[0]; |
| frame->surface.Data.Y = frame->frame->data[0]; |
| frame->surface.Data.UV = frame->frame->data[1]; |
| } |
| |
| if (q->frames_ctx.mids) { |
| ret = ff_qsv_find_surface_idx(&q->frames_ctx, frame); |
| if (ret < 0) |
| return ret; |
| |
| frame->surface.Data.MemId = &q->frames_ctx.mids[ret]; |
| } |
| frame->surface.Data.ExtParam = &frame->ext_param; |
| frame->surface.Data.NumExtParam = 1; |
| frame->ext_param = (mfxExtBuffer*)&frame->dec_info; |
| frame->dec_info.Header.BufferId = MFX_EXTBUFF_DECODED_FRAME_INFO; |
| frame->dec_info.Header.BufferSz = sizeof(frame->dec_info); |
| |
| frame->used = 1; |
| |
| return 0; |
| } |
| |
| static void qsv_clear_unused_frames(QSVContext *q) |
| { |
| QSVFrame *cur = q->work_frames; |
| while (cur) { |
| if (cur->used && !cur->surface.Data.Locked && !cur->queued) { |
| cur->used = 0; |
| av_frame_unref(cur->frame); |
| } |
| cur = cur->next; |
| } |
| } |
| |
| static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf) |
| { |
| QSVFrame *frame, **last; |
| int ret; |
| |
| qsv_clear_unused_frames(q); |
| |
| frame = q->work_frames; |
| last = &q->work_frames; |
| while (frame) { |
| if (!frame->used) { |
| ret = alloc_frame(avctx, q, frame); |
| if (ret < 0) |
| return ret; |
| *surf = &frame->surface; |
| return 0; |
| } |
| |
| last = &frame->next; |
| frame = frame->next; |
| } |
| |
| frame = av_mallocz(sizeof(*frame)); |
| if (!frame) |
| return AVERROR(ENOMEM); |
| frame->frame = av_frame_alloc(); |
| if (!frame->frame) { |
| av_freep(&frame); |
| return AVERROR(ENOMEM); |
| } |
| *last = frame; |
| |
| ret = alloc_frame(avctx, q, frame); |
| if (ret < 0) |
| return ret; |
| |
| *surf = &frame->surface; |
| |
| return 0; |
| } |
| |
| static QSVFrame *find_frame(QSVContext *q, mfxFrameSurface1 *surf) |
| { |
| QSVFrame *cur = q->work_frames; |
| while (cur) { |
| if (surf == &cur->surface) |
| return cur; |
| cur = cur->next; |
| } |
| return NULL; |
| } |
| |
| static int qsv_decode(AVCodecContext *avctx, QSVContext *q, |
| AVFrame *frame, int *got_frame, |
| const AVPacket *avpkt) |
| { |
| QSVFrame *out_frame; |
| mfxFrameSurface1 *insurf; |
| mfxFrameSurface1 *outsurf; |
| mfxSyncPoint *sync; |
| mfxBitstream bs = { { { 0 } } }; |
| int ret; |
| |
| if (avpkt->size) { |
| bs.Data = avpkt->data; |
| bs.DataLength = avpkt->size; |
| bs.MaxLength = bs.DataLength; |
| bs.TimeStamp = avpkt->pts; |
| if (avctx->field_order == AV_FIELD_PROGRESSIVE) |
| bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME; |
| } |
| |
| sync = av_mallocz(sizeof(*sync)); |
| if (!sync) { |
| av_freep(&sync); |
| return AVERROR(ENOMEM); |
| } |
| |
| do { |
| ret = get_surface(avctx, q, &insurf); |
| if (ret < 0) { |
| av_freep(&sync); |
| return ret; |
| } |
| |
| ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL, |
| insurf, &outsurf, sync); |
| if (ret == MFX_WRN_DEVICE_BUSY) |
| av_usleep(500); |
| |
| } while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE); |
| |
| if (ret != MFX_ERR_NONE && |
| ret != MFX_ERR_MORE_DATA && |
| ret != MFX_WRN_VIDEO_PARAM_CHANGED && |
| ret != MFX_ERR_MORE_SURFACE) { |
| av_freep(&sync); |
| return ff_qsv_print_error(avctx, ret, |
| "Error during QSV decoding."); |
| } |
| |
| /* make sure we do not enter an infinite loop if the SDK |
| * did not consume any data and did not return anything */ |
| if (!*sync && !bs.DataOffset) { |
| bs.DataOffset = avpkt->size; |
| ++q->zero_consume_run; |
| if (q->zero_consume_run > 1) |
| ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data"); |
| } else if (!*sync && bs.DataOffset) { |
| ++q->buffered_count; |
| } else { |
| q->zero_consume_run = 0; |
| } |
| |
| if (*sync) { |
| QSVFrame *out_frame = find_frame(q, outsurf); |
| |
| if (!out_frame) { |
| av_log(avctx, AV_LOG_ERROR, |
| "The returned surface does not correspond to any frame\n"); |
| av_freep(&sync); |
| return AVERROR_BUG; |
| } |
| |
| out_frame->queued = 1; |
| av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL); |
| av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL); |
| } else { |
| av_freep(&sync); |
| } |
| |
| if ((qsv_fifo_size(q->async_fifo) >= q->async_depth) || |
| (!avpkt->size && av_fifo_size(q->async_fifo))) { |
| AVFrame *src_frame; |
| |
| av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL); |
| av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL); |
| out_frame->queued = 0; |
| |
| if (avctx->pix_fmt != AV_PIX_FMT_QSV) { |
| do { |
| ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000); |
| } while (ret == MFX_WRN_IN_EXECUTION); |
| } |
| |
| av_freep(&sync); |
| |
| src_frame = out_frame->frame; |
| |
| ret = av_frame_ref(frame, src_frame); |
| if (ret < 0) |
| return ret; |
| |
| outsurf = &out_frame->surface; |
| |
| #if FF_API_PKT_PTS |
| FF_DISABLE_DEPRECATION_WARNINGS |
| frame->pkt_pts = outsurf->Data.TimeStamp; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| frame->pts = outsurf->Data.TimeStamp; |
| |
| frame->repeat_pict = |
| outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_TRIPLING ? 4 : |
| outsurf->Info.PicStruct & MFX_PICSTRUCT_FRAME_DOUBLING ? 2 : |
| outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_REPEATED ? 1 : 0; |
| frame->top_field_first = |
| outsurf->Info.PicStruct & MFX_PICSTRUCT_FIELD_TFF; |
| frame->interlaced_frame = |
| !(outsurf->Info.PicStruct & MFX_PICSTRUCT_PROGRESSIVE); |
| frame->pict_type = ff_qsv_map_pictype(out_frame->dec_info.FrameType); |
| //Key frame is IDR frame is only suitable for H264. For HEVC, IRAPs are key frames. |
| if (avctx->codec_id == AV_CODEC_ID_H264) |
| frame->key_frame = !!(out_frame->dec_info.FrameType & MFX_FRAMETYPE_IDR); |
| |
| /* update the surface properties */ |
| if (avctx->pix_fmt == AV_PIX_FMT_QSV) |
| ((mfxFrameSurface1*)frame->data[3])->Info = outsurf->Info; |
| |
| *got_frame = 1; |
| } |
| |
| return bs.DataOffset; |
| } |
| |
| static void qsv_decode_close_qsvcontext(QSVContext *q) |
| { |
| QSVFrame *cur = q->work_frames; |
| |
| if (q->session) |
| MFXVideoDECODE_Close(q->session); |
| |
| while (q->async_fifo && av_fifo_size(q->async_fifo)) { |
| QSVFrame *out_frame; |
| mfxSyncPoint *sync; |
| |
| av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL); |
| av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL); |
| |
| av_freep(&sync); |
| } |
| |
| while (cur) { |
| q->work_frames = cur->next; |
| av_frame_free(&cur->frame); |
| av_freep(&cur); |
| cur = q->work_frames; |
| } |
| |
| av_fifo_free(q->async_fifo); |
| q->async_fifo = NULL; |
| |
| ff_qsv_close_internal_session(&q->internal_qs); |
| |
| av_buffer_unref(&q->frames_ctx.hw_frames_ctx); |
| av_buffer_unref(&q->frames_ctx.mids_buf); |
| av_buffer_pool_uninit(&q->pool); |
| } |
| |
| static int qsv_process_data(AVCodecContext *avctx, QSVContext *q, |
| AVFrame *frame, int *got_frame, const AVPacket *pkt) |
| { |
| int ret; |
| mfxVideoParam param = { 0 }; |
| enum AVPixelFormat pix_fmt = AV_PIX_FMT_NV12; |
| |
| if (!pkt->size) |
| return qsv_decode(avctx, q, frame, got_frame, pkt); |
| |
| /* TODO: flush delayed frames on reinit */ |
| |
| // sw_pix_fmt, coded_width/height should be set for ff_get_format(), |
| // assume sw_pix_fmt is NV12 and coded_width/height to be 1280x720, |
| // the assumption may be not corret but will be updated after header decoded if not true. |
| if (q->orig_pix_fmt != AV_PIX_FMT_NONE) |
| pix_fmt = q->orig_pix_fmt; |
| if (!avctx->coded_width) |
| avctx->coded_width = 1280; |
| if (!avctx->coded_height) |
| avctx->coded_height = 720; |
| |
| ret = qsv_decode_header(avctx, q, pkt, pix_fmt, ¶m); |
| |
| if (ret >= 0 && (q->orig_pix_fmt != ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC) || |
| avctx->coded_width != param.mfx.FrameInfo.Width || |
| avctx->coded_height != param.mfx.FrameInfo.Height)) { |
| AVPacket zero_pkt = {0}; |
| |
| if (q->buffered_count) { |
| q->reinit_flag = 1; |
| /* decode zero-size pkt to flush the buffered pkt before reinit */ |
| q->buffered_count--; |
| return qsv_decode(avctx, q, frame, got_frame, &zero_pkt); |
| } |
| q->reinit_flag = 0; |
| |
| q->orig_pix_fmt = avctx->pix_fmt = pix_fmt = ff_qsv_map_fourcc(param.mfx.FrameInfo.FourCC); |
| |
| avctx->coded_width = param.mfx.FrameInfo.Width; |
| avctx->coded_height = param.mfx.FrameInfo.Height; |
| |
| ret = qsv_decode_preinit(avctx, q, pix_fmt, ¶m); |
| if (ret < 0) |
| goto reinit_fail; |
| q->initialized = 0; |
| } |
| |
| if (!q->initialized) { |
| ret = qsv_decode_init_context(avctx, q, ¶m); |
| if (ret < 0) |
| goto reinit_fail; |
| q->initialized = 1; |
| } |
| |
| return qsv_decode(avctx, q, frame, got_frame, pkt); |
| |
| reinit_fail: |
| q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE; |
| return ret; |
| } |
| |
| enum LoadPlugin { |
| LOAD_PLUGIN_NONE, |
| LOAD_PLUGIN_HEVC_SW, |
| LOAD_PLUGIN_HEVC_HW, |
| }; |
| |
| typedef struct QSVDecContext { |
| AVClass *class; |
| QSVContext qsv; |
| |
| int load_plugin; |
| |
| AVFifoBuffer *packet_fifo; |
| |
| AVPacket buffer_pkt; |
| } QSVDecContext; |
| |
| static void qsv_clear_buffers(QSVDecContext *s) |
| { |
| AVPacket pkt; |
| while (av_fifo_size(s->packet_fifo) >= sizeof(pkt)) { |
| av_fifo_generic_read(s->packet_fifo, &pkt, sizeof(pkt), NULL); |
| av_packet_unref(&pkt); |
| } |
| |
| av_packet_unref(&s->buffer_pkt); |
| } |
| |
| static av_cold int qsv_decode_close(AVCodecContext *avctx) |
| { |
| QSVDecContext *s = avctx->priv_data; |
| |
| av_freep(&s->qsv.load_plugins); |
| |
| qsv_decode_close_qsvcontext(&s->qsv); |
| |
| qsv_clear_buffers(s); |
| |
| av_fifo_free(s->packet_fifo); |
| |
| return 0; |
| } |
| |
| static av_cold int qsv_decode_init(AVCodecContext *avctx) |
| { |
| QSVDecContext *s = avctx->priv_data; |
| int ret; |
| const char *uid = NULL; |
| |
| if (avctx->codec_id == AV_CODEC_ID_VP8) { |
| uid = "f622394d8d87452f878c51f2fc9b4131"; |
| } else if (avctx->codec_id == AV_CODEC_ID_VP9) { |
| uid = "a922394d8d87452f878c51f2fc9b4131"; |
| } |
| else if (avctx->codec_id == AV_CODEC_ID_HEVC && s->load_plugin != LOAD_PLUGIN_NONE) { |
| static const char * const uid_hevcdec_sw = "15dd936825ad475ea34e35f3f54217a6"; |
| static const char * const uid_hevcdec_hw = "33a61c0b4c27454ca8d85dde757c6f8e"; |
| |
| if (s->qsv.load_plugins[0]) { |
| av_log(avctx, AV_LOG_WARNING, |
| "load_plugins is not empty, but load_plugin is not set to 'none'." |
| "The load_plugin value will be ignored.\n"); |
| } else { |
| if (s->load_plugin == LOAD_PLUGIN_HEVC_SW) |
| uid = uid_hevcdec_sw; |
| else |
| uid = uid_hevcdec_hw; |
| } |
| } |
| if (uid) { |
| av_freep(&s->qsv.load_plugins); |
| s->qsv.load_plugins = av_strdup(uid); |
| if (!s->qsv.load_plugins) |
| return AVERROR(ENOMEM); |
| } |
| |
| s->qsv.orig_pix_fmt = AV_PIX_FMT_NV12; |
| s->packet_fifo = av_fifo_alloc(sizeof(AVPacket)); |
| if (!s->packet_fifo) { |
| ret = AVERROR(ENOMEM); |
| goto fail; |
| } |
| |
| return 0; |
| fail: |
| qsv_decode_close(avctx); |
| return ret; |
| } |
| |
| static int qsv_decode_frame(AVCodecContext *avctx, void *data, |
| int *got_frame, AVPacket *avpkt) |
| { |
| QSVDecContext *s = avctx->priv_data; |
| AVFrame *frame = data; |
| int ret; |
| |
| /* buffer the input packet */ |
| if (avpkt->size) { |
| AVPacket input_ref; |
| |
| if (av_fifo_space(s->packet_fifo) < sizeof(input_ref)) { |
| ret = av_fifo_realloc2(s->packet_fifo, |
| av_fifo_size(s->packet_fifo) + sizeof(input_ref)); |
| if (ret < 0) |
| return ret; |
| } |
| |
| ret = av_packet_ref(&input_ref, avpkt); |
| if (ret < 0) |
| return ret; |
| av_fifo_generic_write(s->packet_fifo, &input_ref, sizeof(input_ref), NULL); |
| } |
| |
| /* process buffered data */ |
| while (!*got_frame) { |
| /* prepare the input data */ |
| if (s->buffer_pkt.size <= 0) { |
| /* no more data */ |
| if (av_fifo_size(s->packet_fifo) < sizeof(AVPacket)) |
| return avpkt->size ? avpkt->size : qsv_process_data(avctx, &s->qsv, frame, got_frame, avpkt); |
| /* in progress of reinit, no read from fifo and keep the buffer_pkt */ |
| if (!s->qsv.reinit_flag) { |
| av_packet_unref(&s->buffer_pkt); |
| av_fifo_generic_read(s->packet_fifo, &s->buffer_pkt, sizeof(s->buffer_pkt), NULL); |
| } |
| } |
| |
| ret = qsv_process_data(avctx, &s->qsv, frame, got_frame, &s->buffer_pkt); |
| if (ret < 0){ |
| /* Drop buffer_pkt when failed to decode the packet. Otherwise, |
| the decoder will keep decoding the failure packet. */ |
| av_packet_unref(&s->buffer_pkt); |
| return ret; |
| } |
| if (s->qsv.reinit_flag) |
| continue; |
| |
| s->buffer_pkt.size -= ret; |
| s->buffer_pkt.data += ret; |
| } |
| |
| return avpkt->size; |
| } |
| |
| static void qsv_decode_flush(AVCodecContext *avctx) |
| { |
| QSVDecContext *s = avctx->priv_data; |
| |
| qsv_clear_buffers(s); |
| |
| s->qsv.orig_pix_fmt = AV_PIX_FMT_NONE; |
| s->qsv.initialized = 0; |
| } |
| |
| #define OFFSET(x) offsetof(QSVDecContext, x) |
| #define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM |
| |
| #define DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, opt) \ |
| static const AVClass x##_qsv_class = { \ |
| .class_name = #x "_qsv", \ |
| .item_name = av_default_item_name, \ |
| .option = opt, \ |
| .version = LIBAVUTIL_VERSION_INT, \ |
| }; \ |
| AVCodec ff_##x##_qsv_decoder = { \ |
| .name = #x "_qsv", \ |
| .long_name = NULL_IF_CONFIG_SMALL(#X " video (Intel Quick Sync Video acceleration)"), \ |
| .priv_data_size = sizeof(QSVDecContext), \ |
| .type = AVMEDIA_TYPE_VIDEO, \ |
| .id = AV_CODEC_ID_##X, \ |
| .init = qsv_decode_init, \ |
| .decode = qsv_decode_frame, \ |
| .flush = qsv_decode_flush, \ |
| .close = qsv_decode_close, \ |
| .bsfs = bsf_name, \ |
| .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_DR1 | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HYBRID, \ |
| .priv_class = &x##_qsv_class, \ |
| .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, \ |
| AV_PIX_FMT_P010, \ |
| AV_PIX_FMT_QSV, \ |
| AV_PIX_FMT_NONE }, \ |
| .hw_configs = qsv_hw_configs, \ |
| .wrapper_name = "qsv", \ |
| }; \ |
| |
| #define DEFINE_QSV_DECODER(x, X, bsf_name) DEFINE_QSV_DECODER_WITH_OPTION(x, X, bsf_name, options) |
| |
| #if CONFIG_HEVC_QSV_DECODER |
| static const AVOption hevc_options[] = { |
| { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD }, |
| |
| { "load_plugin", "A user plugin to load in an internal session", OFFSET(load_plugin), AV_OPT_TYPE_INT, { .i64 = LOAD_PLUGIN_HEVC_HW }, LOAD_PLUGIN_NONE, LOAD_PLUGIN_HEVC_HW, VD, "load_plugin" }, |
| { "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_NONE }, 0, 0, VD, "load_plugin" }, |
| { "hevc_sw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_SW }, 0, 0, VD, "load_plugin" }, |
| { "hevc_hw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = LOAD_PLUGIN_HEVC_HW }, 0, 0, VD, "load_plugin" }, |
| |
| { "load_plugins", "A :-separate list of hexadecimal plugin UIDs to load in an internal session", |
| OFFSET(qsv.load_plugins), AV_OPT_TYPE_STRING, { .str = "" }, 0, 0, VD }, |
| |
| { "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"}, |
| { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"}, |
| { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"}, |
| { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"}, |
| { NULL }, |
| }; |
| DEFINE_QSV_DECODER_WITH_OPTION(hevc, HEVC, "hevc_mp4toannexb", hevc_options) |
| #endif |
| |
| static const AVOption options[] = { |
| { "async_depth", "Internal parallelization depth, the higher the value the higher the latency.", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 1, INT_MAX, VD }, |
| |
| { "gpu_copy", "A GPU-accelerated copy between video and system memory", OFFSET(qsv.gpu_copy), AV_OPT_TYPE_INT, { .i64 = MFX_GPUCOPY_DEFAULT }, MFX_GPUCOPY_DEFAULT, MFX_GPUCOPY_OFF, VD, "gpu_copy"}, |
| { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_DEFAULT }, 0, 0, VD, "gpu_copy"}, |
| { "on", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_ON }, 0, 0, VD, "gpu_copy"}, |
| { "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_GPUCOPY_OFF }, 0, 0, VD, "gpu_copy"}, |
| { NULL }, |
| }; |
| |
| #if CONFIG_H264_QSV_DECODER |
| DEFINE_QSV_DECODER(h264, H264, "h264_mp4toannexb") |
| #endif |
| |
| #if CONFIG_MPEG2_QSV_DECODER |
| DEFINE_QSV_DECODER(mpeg2, MPEG2VIDEO, NULL) |
| #endif |
| |
| #if CONFIG_VC1_QSV_DECODER |
| DEFINE_QSV_DECODER(vc1, VC1, NULL) |
| #endif |
| |
| #if CONFIG_MJPEG_QSV_DECODER |
| DEFINE_QSV_DECODER(mjpeg, MJPEG, NULL) |
| #endif |
| |
| #if CONFIG_VP8_QSV_DECODER |
| DEFINE_QSV_DECODER(vp8, VP8, NULL) |
| #endif |
| |
| #if CONFIG_VP9_QSV_DECODER |
| DEFINE_QSV_DECODER(vp9, VP9, NULL) |
| #endif |
| |
| #if CONFIG_AV1_QSV_DECODER |
| DEFINE_QSV_DECODER(av1, AV1, NULL) |
| #endif |
