mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 02:38:25 -05:00
636 lines
19 KiB
C
Executable File
636 lines
19 KiB
C
Executable File
/*
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* Intel MediaSDK QSV codec-independent code
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*
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* copyright (c) 2013 Luca Barbato
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* copyright (c) 2015 Anton Khirnov <anton@khirnov.net>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 <string.h>
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#include <sys/types.h>
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#include <mfx/mfxvideo.h>
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#include "libavutil/common.h"
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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_qsv.h"
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#include "libavutil/mem.h"
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#include "libavutil/log.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/pixfmt.h"
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#include "libavutil/time.h"
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#include "libavutil/imgutils.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "decode.h"
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#include "qsv.h"
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#include "qsv_internal.h"
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#include "qsvdec.h"
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const AVCodecHWConfigInternal *ff_qsv_hw_configs[] = {
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&(const AVCodecHWConfigInternal) {
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.public = {
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.pix_fmt = AV_PIX_FMT_QSV,
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.methods = AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX |
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AV_CODEC_HW_CONFIG_METHOD_AD_HOC,
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.device_type = AV_HWDEVICE_TYPE_QSV,
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},
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.hwaccel = NULL,
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},
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NULL
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};
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static int ff_qsv_get_continuous_buffer(AVCodecContext *avctx, AVFrame *frame, AVBufferPool *pool)
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{
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int ret = 0;
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ff_decode_frame_props(avctx, frame);
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frame->width = avctx->width;
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frame->height = avctx->height;
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switch (avctx->pix_fmt) {
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case AV_PIX_FMT_NV12:
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frame->linesize[0] = FFALIGN(avctx->width, 128);
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break;
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case AV_PIX_FMT_P010:
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frame->linesize[0] = 2 * FFALIGN(avctx->width, 128);
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
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return AVERROR(EINVAL);
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}
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frame->linesize[1] = frame->linesize[0];
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frame->buf[0] = av_buffer_pool_get(pool);
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if (!frame->buf[0])
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return AVERROR(ENOMEM);
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frame->data[0] = frame->buf[0]->data;
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frame->data[1] = frame->data[0] +
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frame->linesize[0] * FFALIGN(avctx->height, 64);
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ret = ff_attach_decode_data(frame);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int qsv_init_session(AVCodecContext *avctx, QSVContext *q, mfxSession session,
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AVBufferRef *hw_frames_ref, AVBufferRef *hw_device_ref)
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{
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int ret;
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if (q->gpu_copy == MFX_GPUCOPY_ON &&
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!(q->iopattern & MFX_IOPATTERN_OUT_SYSTEM_MEMORY)) {
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av_log(avctx, AV_LOG_WARNING, "GPU-accelerated memory copy "
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"only works in system memory mode.\n");
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q->gpu_copy = MFX_GPUCOPY_OFF;
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}
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if (session) {
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q->session = session;
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} else if (hw_frames_ref) {
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if (q->internal_qs.session) {
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MFXClose(q->internal_qs.session);
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q->internal_qs.session = NULL;
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}
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av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
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q->frames_ctx.hw_frames_ctx = av_buffer_ref(hw_frames_ref);
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if (!q->frames_ctx.hw_frames_ctx)
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return AVERROR(ENOMEM);
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ret = ff_qsv_init_session_frames(avctx, &q->internal_qs.session,
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&q->frames_ctx, q->load_plugins,
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q->iopattern == MFX_IOPATTERN_OUT_OPAQUE_MEMORY,
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q->gpu_copy);
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if (ret < 0) {
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av_buffer_unref(&q->frames_ctx.hw_frames_ctx);
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return ret;
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}
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q->session = q->internal_qs.session;
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} else if (hw_device_ref) {
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if (q->internal_qs.session) {
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MFXClose(q->internal_qs.session);
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q->internal_qs.session = NULL;
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}
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ret = ff_qsv_init_session_device(avctx, &q->internal_qs.session,
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hw_device_ref, q->load_plugins, q->gpu_copy);
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if (ret < 0)
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return ret;
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q->session = q->internal_qs.session;
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} else {
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if (!q->internal_qs.session) {
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ret = ff_qsv_init_internal_session(avctx, &q->internal_qs,
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q->load_plugins, q->gpu_copy);
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if (ret < 0)
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return ret;
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}
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q->session = q->internal_qs.session;
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}
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/* make sure the decoder is uninitialized */
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MFXVideoDECODE_Close(q->session);
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return 0;
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}
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static inline unsigned int qsv_fifo_item_size(void)
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{
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return sizeof(mfxSyncPoint*) + sizeof(QSVFrame*);
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}
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static inline unsigned int qsv_fifo_size(const AVFifoBuffer* fifo)
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{
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return av_fifo_size(fifo) / qsv_fifo_item_size();
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}
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static int qsv_decode_preinit(AVCodecContext *avctx, QSVContext *q, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
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{
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mfxSession session = NULL;
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int iopattern = 0;
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int ret;
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enum AVPixelFormat pix_fmts[3] = {
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AV_PIX_FMT_QSV, /* opaque format in case of video memory output */
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pix_fmt, /* system memory format obtained from bitstream parser */
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AV_PIX_FMT_NONE };
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ret = ff_get_format(avctx, pix_fmts);
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if (ret < 0) {
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q->orig_pix_fmt = avctx->pix_fmt = AV_PIX_FMT_NONE;
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return ret;
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}
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if (!q->async_fifo) {
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q->async_fifo = av_fifo_alloc(q->async_depth * qsv_fifo_item_size());
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if (!q->async_fifo)
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return AVERROR(ENOMEM);
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}
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if (avctx->pix_fmt == AV_PIX_FMT_QSV && avctx->hwaccel_context) {
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AVQSVContext *user_ctx = avctx->hwaccel_context;
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session = user_ctx->session;
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iopattern = user_ctx->iopattern;
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q->ext_buffers = user_ctx->ext_buffers;
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q->nb_ext_buffers = user_ctx->nb_ext_buffers;
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}
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if (avctx->hw_frames_ctx) {
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AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
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AVQSVFramesContext *frames_hwctx = frames_ctx->hwctx;
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if (!iopattern) {
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if (frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME)
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iopattern = MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
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else if (frames_hwctx->frame_type & MFX_MEMTYPE_VIDEO_MEMORY_DECODER_TARGET)
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iopattern = MFX_IOPATTERN_OUT_VIDEO_MEMORY;
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}
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}
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if (!iopattern)
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iopattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;
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q->iopattern = iopattern;
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ff_qsv_print_iopattern(avctx, q->iopattern, "Decoder");
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ret = qsv_init_session(avctx, q, session, avctx->hw_frames_ctx, avctx->hw_device_ctx);
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if (ret < 0) {
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av_log(avctx, AV_LOG_ERROR, "Error initializing an MFX session\n");
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return ret;
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}
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param->IOPattern = q->iopattern;
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param->AsyncDepth = q->async_depth;
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param->ExtParam = q->ext_buffers;
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param->NumExtParam = q->nb_ext_buffers;
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return 0;
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}
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static int qsv_decode_init(AVCodecContext *avctx, QSVContext *q, mfxVideoParam *param)
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{
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int ret;
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avctx->width = param->mfx.FrameInfo.CropW;
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avctx->height = param->mfx.FrameInfo.CropH;
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avctx->coded_width = param->mfx.FrameInfo.Width;
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avctx->coded_height = param->mfx.FrameInfo.Height;
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avctx->level = param->mfx.CodecLevel;
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avctx->profile = param->mfx.CodecProfile;
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avctx->field_order = ff_qsv_map_picstruct(param->mfx.FrameInfo.PicStruct);
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avctx->pix_fmt = ff_qsv_map_fourcc(param->mfx.FrameInfo.FourCC);
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ret = MFXVideoDECODE_Init(q->session, param);
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if (ret < 0)
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return ff_qsv_print_error(avctx, ret,
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"Error initializing the MFX video decoder");
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q->frame_info = param->mfx.FrameInfo;
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if (!avctx->hw_frames_ctx)
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q->pool = av_buffer_pool_init(av_image_get_buffer_size(avctx->pix_fmt,
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FFALIGN(avctx->width, 128), FFALIGN(avctx->height, 64), 1), av_buffer_allocz);
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return 0;
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}
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static int qsv_decode_header(AVCodecContext *avctx, QSVContext *q, AVPacket *avpkt, enum AVPixelFormat pix_fmt, mfxVideoParam *param)
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{
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int ret;
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mfxBitstream bs = { 0 };
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if (avpkt->size) {
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bs.Data = avpkt->data;
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bs.DataLength = avpkt->size;
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bs.MaxLength = bs.DataLength;
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bs.TimeStamp = avpkt->pts;
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if (avctx->field_order == AV_FIELD_PROGRESSIVE)
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bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
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} else
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return AVERROR_INVALIDDATA;
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if(!q->session) {
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ret = qsv_decode_preinit(avctx, q, pix_fmt, param);
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if (ret < 0)
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return ret;
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}
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ret = ff_qsv_codec_id_to_mfx(avctx->codec_id);
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if (ret < 0)
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return ret;
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param->mfx.CodecId = ret;
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ret = MFXVideoDECODE_DecodeHeader(q->session, &bs, param);
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if (MFX_ERR_MORE_DATA == ret) {
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return AVERROR(EAGAIN);
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}
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if (ret < 0)
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return ff_qsv_print_error(avctx, ret,
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"Error decoding stream header");
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return 0;
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}
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static int alloc_frame(AVCodecContext *avctx, QSVContext *q, QSVFrame *frame)
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{
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int ret;
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if (q->pool)
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ret = ff_qsv_get_continuous_buffer(avctx, frame->frame, q->pool);
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else
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ret = ff_get_buffer(avctx, frame->frame, AV_GET_BUFFER_FLAG_REF);
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if (ret < 0)
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return ret;
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if (frame->frame->format == AV_PIX_FMT_QSV) {
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frame->surface = *(mfxFrameSurface1*)frame->frame->data[3];
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} else {
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frame->surface.Info = q->frame_info;
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frame->surface.Data.PitchLow = frame->frame->linesize[0];
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frame->surface.Data.Y = frame->frame->data[0];
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frame->surface.Data.UV = frame->frame->data[1];
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}
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if (q->frames_ctx.mids) {
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ret = ff_qsv_find_surface_idx(&q->frames_ctx, frame);
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if (ret < 0)
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return ret;
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frame->surface.Data.MemId = &q->frames_ctx.mids[ret];
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}
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frame->surface.Data.ExtParam = &frame->ext_param;
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frame->surface.Data.NumExtParam = 1;
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frame->ext_param = (mfxExtBuffer*)&frame->dec_info;
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frame->dec_info.Header.BufferId = MFX_EXTBUFF_DECODED_FRAME_INFO;
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frame->dec_info.Header.BufferSz = sizeof(frame->dec_info);
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frame->used = 1;
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return 0;
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}
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static void qsv_clear_unused_frames(QSVContext *q)
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{
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QSVFrame *cur = q->work_frames;
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while (cur) {
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if (cur->used && !cur->surface.Data.Locked && !cur->queued) {
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cur->used = 0;
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av_frame_unref(cur->frame);
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}
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cur = cur->next;
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}
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}
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static int get_surface(AVCodecContext *avctx, QSVContext *q, mfxFrameSurface1 **surf)
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{
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QSVFrame *frame, **last;
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int ret;
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qsv_clear_unused_frames(q);
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frame = q->work_frames;
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last = &q->work_frames;
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while (frame) {
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if (!frame->used) {
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ret = alloc_frame(avctx, q, frame);
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if (ret < 0)
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return ret;
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*surf = &frame->surface;
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return 0;
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}
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last = &frame->next;
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frame = frame->next;
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}
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frame = av_mallocz(sizeof(*frame));
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if (!frame)
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return AVERROR(ENOMEM);
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frame->frame = av_frame_alloc();
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if (!frame->frame) {
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av_freep(&frame);
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return AVERROR(ENOMEM);
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}
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*last = frame;
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ret = alloc_frame(avctx, q, frame);
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if (ret < 0)
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return ret;
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*surf = &frame->surface;
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return 0;
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}
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static QSVFrame *find_frame(QSVContext *q, mfxFrameSurface1 *surf)
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{
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QSVFrame *cur = q->work_frames;
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while (cur) {
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if (surf == &cur->surface)
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return cur;
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cur = cur->next;
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}
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return NULL;
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}
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static int qsv_decode(AVCodecContext *avctx, QSVContext *q,
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AVFrame *frame, int *got_frame,
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AVPacket *avpkt)
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{
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QSVFrame *out_frame;
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mfxFrameSurface1 *insurf;
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mfxFrameSurface1 *outsurf;
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mfxSyncPoint *sync;
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mfxBitstream bs = { { { 0 } } };
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int ret;
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if (avpkt->size) {
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bs.Data = avpkt->data;
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bs.DataLength = avpkt->size;
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bs.MaxLength = bs.DataLength;
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bs.TimeStamp = avpkt->pts;
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if (avctx->field_order == AV_FIELD_PROGRESSIVE)
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bs.DataFlag |= MFX_BITSTREAM_COMPLETE_FRAME;
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}
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sync = av_mallocz(sizeof(*sync));
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if (!sync) {
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av_freep(&sync);
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return AVERROR(ENOMEM);
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}
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do {
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ret = get_surface(avctx, q, &insurf);
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if (ret < 0) {
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av_freep(&sync);
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return ret;
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}
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ret = MFXVideoDECODE_DecodeFrameAsync(q->session, avpkt->size ? &bs : NULL,
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insurf, &outsurf, sync);
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if (ret == MFX_WRN_DEVICE_BUSY)
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av_usleep(500);
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} while (ret == MFX_WRN_DEVICE_BUSY || ret == MFX_ERR_MORE_SURFACE);
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if (ret != MFX_ERR_NONE &&
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ret != MFX_ERR_MORE_DATA &&
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ret != MFX_WRN_VIDEO_PARAM_CHANGED &&
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ret != MFX_ERR_MORE_SURFACE) {
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av_freep(&sync);
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return ff_qsv_print_error(avctx, ret,
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"Error during QSV decoding.");
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}
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/* make sure we do not enter an infinite loop if the SDK
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* did not consume any data and did not return anything */
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if (!*sync && !bs.DataOffset) {
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bs.DataOffset = avpkt->size;
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++q->zero_consume_run;
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if (q->zero_consume_run > 1)
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ff_qsv_print_warning(avctx, ret, "A decode call did not consume any data");
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} else if (!*sync && bs.DataOffset) {
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++q->buffered_count;
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} else {
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q->zero_consume_run = 0;
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}
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if (*sync) {
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QSVFrame *out_frame = find_frame(q, outsurf);
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if (!out_frame) {
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av_log(avctx, AV_LOG_ERROR,
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"The returned surface does not correspond to any frame\n");
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av_freep(&sync);
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return AVERROR_BUG;
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}
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out_frame->queued = 1;
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av_fifo_generic_write(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
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av_fifo_generic_write(q->async_fifo, &sync, sizeof(sync), NULL);
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} else {
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av_freep(&sync);
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}
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if ((qsv_fifo_size(q->async_fifo) >= q->async_depth) ||
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(!avpkt->size && av_fifo_size(q->async_fifo))) {
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AVFrame *src_frame;
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av_fifo_generic_read(q->async_fifo, &out_frame, sizeof(out_frame), NULL);
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av_fifo_generic_read(q->async_fifo, &sync, sizeof(sync), NULL);
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out_frame->queued = 0;
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if (avctx->pix_fmt != AV_PIX_FMT_QSV) {
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do {
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ret = MFXVideoCORE_SyncOperation(q->session, *sync, 1000);
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} 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;
|
|
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ff_qsv_process_data(AVCodecContext *avctx, QSVContext *q,
|
|
AVFrame *frame, int *got_frame, 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(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;
|
|
}
|
|
|
|
void ff_qsv_decode_flush(AVCodecContext *avctx, QSVContext *q)
|
|
{
|
|
q->orig_pix_fmt = AV_PIX_FMT_NONE;
|
|
q->initialized = 0;
|
|
}
|