| /* |
| * 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 <string.h> |
| #include <sys/types.h> |
| |
| #include <mfx/mfxvideo.h> |
| |
| #include "libavutil/common.h" |
| #include "libavutil/hwcontext.h" |
| #include "libavutil/hwcontext_qsv.h" |
| #include "libavutil/mem.h" |
| #include "libavutil/log.h" |
| #include "libavutil/pixdesc.h" |
| #include "libavutil/pixfmt.h" |
| #include "libavutil/time.h" |
| |
| #include "avcodec.h" |
| #include "internal.h" |
| #include "qsv.h" |
| #include "qsv_internal.h" |
| #include "qsvdec.h" |
| |
| const AVCodecHWConfigInternal *ff_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_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session, |
| AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref) |
| { |
| int ret; |
| |
| if (session) { |
| q->session = session; |
| } else if (hw_frames_ref) { |
| if (q->internal_session) { |
| MFXClose(q->internal_session); |
| q->internal_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_session, |
| &q->frames_ctx, q->load_plugins, |
| q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY); |
| if (ret < 0) { |
| av_buffer_unref(&q->frames_ctx.hw_frames_ctx); |
| return ret; |
| } |
| |
| q->session = q->internal_session; |
| } else if (hw_device_ref) { |
| if (q->internal_session) { |
| MFXClose(q->internal_session); |
| q->internal_session = NULL; |
| } |
| |
| ret = ff_qsv_init_session_device(avctx, &q->internal_session, |
| hw_device_ref, q->load_plugins); |
| if (ret < 0) |
| return ret; |
| |
| q->session = q->internal_session; |
| } else { |
| if (!q->internal_session) { |
| ret = ff_qsv_init_internal_session(avctx, &q->internal_session, |
| q->load_plugins); |
| if (ret < 0) |
| return ret; |
| } |
| |
| q->session = q->internal_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_init(AVCodecContext *avctx, QSVContext *q) |
| { |
| const AVPixFmtDescriptor *desc; |
| mfxSession session = NULL; |
| int iopattern = 0; |
| mfxVideoParam param = { 0 }; |
| int frame_width = avctx->coded_width; |
| int frame_height = avctx->coded_height; |
| int ret; |
| |
| desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt); |
| if (!desc) |
| return AVERROR_BUG; |
| |
| 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; |
| |
| 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; |
| } |
| |
| ret = ff_qsv_codec_id_to_mfx(avctx->codec_id); |
| if (ret < 0) |
| return ret; |
| |
| param.mfx.CodecId = ret; |
| param.mfx.CodecProfile = ff_qsv_profile_to_mfx(avctx->codec_id, avctx->profile); |
| param.mfx.CodecLevel = avctx->level == FF_LEVEL_UNKNOWN ? MFX_LEVEL_UNKNOWN : avctx->level; |
| |
| param.mfx.FrameInfo.BitDepthLuma = desc->comp[0].depth; |
| param.mfx.FrameInfo.BitDepthChroma = desc->comp[0].depth; |
| param.mfx.FrameInfo.Shift = desc->comp[0].depth > 8; |
| param.mfx.FrameInfo.FourCC = q->fourcc; |
| param.mfx.FrameInfo.Width = frame_width; |
| param.mfx.FrameInfo.Height = frame_height; |
| param.mfx.FrameInfo.ChromaFormat = MFX_CHROMAFORMAT_YUV420; |
| |
| switch (avctx->field_order) { |
| case AV_FIELD_PROGRESSIVE: |
| param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_PROGRESSIVE; |
| break; |
| case AV_FIELD_TT: |
| param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_TFF; |
| break; |
| case AV_FIELD_BB: |
| param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_FIELD_BFF; |
| break; |
| default: |
| param.mfx.FrameInfo.PicStruct = MFX_PICSTRUCT_UNKNOWN; |
| break; |
| } |
| |
| param.IOPattern = q->iopattern; |
| param.AsyncDepth = q->async_depth; |
| param.ExtParam = q->ext_buffers; |
| param.NumExtParam = q->nb_ext_buffers; |
| |
| ret = MFXVideoDECODE_Init(q->session, ¶m); |
| if (ret < 0) |
| return ff_qsv_print_error(avctx, ret, |
| "Error initializing the MFX video decoder"); |
| |
| q->frame_info = param.mfx.FrameInfo; |
| |
| return 0; |
| } |
| |
| static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame) |
| { |
| int ret; |
| |
| 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, |
| 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 { |
| 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; |
| } |
| |
| int ff_qsv_decode_close(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; |
| |
| av_parser_close(q->parser); |
| avcodec_free_context(&q->avctx_internal); |
| |
| if (q->internal_session) |
| MFXClose(q->internal_session); |
| |
| av_buffer_unref(&q->frames_ctx.hw_frames_ctx); |
| av_buffer_unref(&q->frames_ctx.mids_buf); |
| |
| return 0; |
| } |
| |
| int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q, |
| AVFrame *frame, int *got_frame, AVPacket *pkt) |
| { |
| uint8_t *dummy_data; |
| int dummy_size; |
| int ret; |
| const AVPixFmtDescriptor *desc; |
| |
| if (!q->avctx_internal) { |
| q->avctx_internal = avcodec_alloc_context3(NULL); |
| if (!q->avctx_internal) |
| return AVERROR(ENOMEM); |
| |
| q->parser = av_parser_init(avctx->codec_id); |
| if (!q->parser) |
| return AVERROR(ENOMEM); |
| |
| q->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES; |
| q->orig_pix_fmt = AV_PIX_FMT_NONE; |
| } |
| |
| if (!pkt->size) |
| return qsv_decode(avctx, q, frame, got_frame, pkt); |
| |
| /* we assume the packets are already split properly and want |
| * just the codec parameters here */ |
| av_parser_parse2(q->parser, q->avctx_internal, |
| &dummy_data, &dummy_size, |
| pkt->data, pkt->size, pkt->pts, pkt->dts, |
| pkt->pos); |
| |
| avctx->field_order = q->parser->field_order; |
| /* TODO: flush delayed frames on reinit */ |
| if (q->parser->format != q->orig_pix_fmt || |
| FFALIGN(q->parser->coded_width, 16) != FFALIGN(avctx->coded_width, 16) || |
| FFALIGN(q->parser->coded_height, 16) != FFALIGN(avctx->coded_height, 16)) { |
| enum AVPixelFormat pix_fmts[3] = { AV_PIX_FMT_QSV, |
| AV_PIX_FMT_NONE, |
| AV_PIX_FMT_NONE }; |
| enum AVPixelFormat qsv_format; |
| |
| qsv_format = ff_qsv_map_pixfmt(q->parser->format, &q->fourcc); |
| if (qsv_format < 0) { |
| av_log(avctx, AV_LOG_ERROR, |
| "Decoding pixel format '%s' is not supported\n", |
| av_get_pix_fmt_name(q->parser->format)); |
| ret = AVERROR(ENOSYS); |
| goto reinit_fail; |
| } |
| |
| q->orig_pix_fmt = q->parser->format; |
| avctx->pix_fmt = pix_fmts[1] = qsv_format; |
| avctx->width = q->parser->width; |
| avctx->height = q->parser->height; |
| avctx->coded_width = FFALIGN(q->parser->coded_width, 16); |
| avctx->coded_height = FFALIGN(q->parser->coded_height, 16); |
| avctx->level = q->avctx_internal->level; |
| avctx->profile = q->avctx_internal->profile; |
| |
| ret = ff_get_format(avctx, pix_fmts); |
| if (ret < 0) |
| goto reinit_fail; |
| |
| avctx->pix_fmt = ret; |
| |
| desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
| if (!desc) |
| goto reinit_fail; |
| |
| if (desc->comp[0].depth > 8) { |
| avctx->coded_width = FFALIGN(q->parser->coded_width, 32); |
| avctx->coded_height = FFALIGN(q->parser->coded_height, 32); |
| } |
| |
| ret = qsv_decode_init(avctx, q); |
| if (ret < 0) |
| goto reinit_fail; |
| } |
| |
| return qsv_decode(avctx, q, frame, got_frame, pkt); |
| |
| reinit_fail: |
| q->orig_pix_fmt = q->parser->format = avctx->pix_fmt = AV_PIX_FMT_NONE; |
| return ret; |
| } |
| |
| void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q) |
| { |
| q->orig_pix_fmt = AV_PIX_FMT_NONE; |
| } |