mirror of https://github.com/FFmpeg/FFmpeg.git
video players. Original patch by NVIDIA corporation. Originally committed as revision 16431 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
NVIDIA Corporation
16 years ago
committed by
Carl Eugen Hoyos
parent
bc1d2afb37
commit
369122dd77
12 changed files with 353 additions and 4 deletions
@ -0,0 +1,31 @@ |
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/*
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* Video Decode and Presentation API for UNIX (VDPAU) is used for |
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* HW decode acceleration for MPEG-1/2, H.264 and VC-1. |
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* |
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* Copyright (C) 2008 NVIDIA. |
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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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#ifndef AVCODEC_VDPAU_INTERNAL_H |
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#define AVCODEC_VDPAU_INTERNAL_H |
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void ff_VDPAU_h264_add_data_chunk(H264Context *h, const uint8_t *buf, |
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int buf_size); |
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void ff_VDPAU_h264_picture_complete(H264Context *h); |
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#endif /* AVCODEC_VDPAU_INTERNAL_H */ |
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/*
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* Video Decode and Presentation API for UNIX (VDPAU) is used for |
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* HW decode acceleration for MPEG-1/2, H.264 and VC-1. |
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* |
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* Copyright (C) 2008 NVIDIA. |
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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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#ifndef AVCODEC_VDPAU_RENDER_H |
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#define AVCODEC_VDPAU_RENDER_H |
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/**
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* \defgroup Decoder VDPAU Decoder and Renderer |
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* |
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* VDPAU HW acceleration has two modules |
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* - VDPAU Decoding |
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* - VDPAU Presentation |
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* |
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* VDPAU decoding module parses all headers using FFmpeg |
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* parsing mechanism and uses VDPAU for the actual decoding. |
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* |
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* As per the current implementation, the actual decoding |
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* and rendering (API calls) are done as part of VDPAU |
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* presentation (vo_vdpau.c) module. |
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* |
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* @{ |
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* \defgroup VDPAU_Decoding VDPAU Decoding |
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* \ingroup Decoder |
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* @{ |
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*/ |
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#include "vdpau/vdpau.h" |
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#include "vdpau/vdpau_x11.h" |
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/**
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* \brief The videoSurface is used for render. |
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*/ |
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#define FF_VDPAU_STATE_USED_FOR_RENDER 1 |
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/**
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* \brief The videoSurface is needed for reference/prediction, |
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* codec manipulates this. |
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*/ |
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#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2 |
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/**
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* \brief This structure is used as a CALL-BACK between the ffmpeg |
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* decoder (vd_) and presentation (vo_) module. |
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* This is used for defining a video-frame containing surface, |
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* picture-parameter, bitstream informations etc which are passed |
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* between ffmpeg decoder and its clients. |
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*/ |
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struct vdpau_render_state |
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VdpVideoSurface surface; ///< used as rendered surface, never changed.
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int state; ///< Holds FF_VDPAU_STATE_* values
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/** Picture Parameter information for all supported codecs */ |
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union _VdpPictureInfo { |
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VdpPictureInfoH264 h264; |
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} info; |
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/** Describe size/location of the compressed video data */ |
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int bitstreamBuffersAlloced; |
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int bitstreamBuffersUsed; |
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VdpBitstreamBuffer *bitstreamBuffers; |
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}; |
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/* @}*/ |
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#endif /* AVCODEC_VDPAU_RENDER_H */ |
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@ -0,0 +1,183 @@ |
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/*
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* Video Decode and Presentation API for UNIX (VDPAU) is used for |
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* HW decode acceleration for MPEG-1/2, H.264 and VC-1. |
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* |
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* Copyright (c) 2008 NVIDIA. |
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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 <limits.h> |
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#include "avcodec.h" |
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#include "h264.h" |
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#undef NDEBUG |
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#include <assert.h> |
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#include "vdpau_render.h" |
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#include "vdpau_internal.h" |
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/**
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* \addtogroup VDPAU_Decoding |
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* |
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* @{ |
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*/ |
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static void VDPAU_h264_set_reference_frames(H264Context *h) |
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{ |
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MpegEncContext * s = &h->s; |
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struct vdpau_render_state * render, * render_ref; |
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VdpReferenceFrameH264 * rf, * rf2; |
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Picture * pic; |
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int i, list, pic_frame_idx; |
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render = (struct vdpau_render_state*)s->current_picture_ptr->data[0]; |
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assert(render); |
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rf = &render->info.h264.referenceFrames[0]; |
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#define H264_RF_COUNT FF_ARRAY_ELEMS(render->info.h264.referenceFrames) |
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for (list = 0; list < 2; ++list) { |
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Picture **lp = list ? h->long_ref : h->short_ref; |
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int ls = list ? h->long_ref_count : h->short_ref_count; |
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for (i = 0; i < ls; ++i) { |
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pic = lp[i]; |
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if (!pic || !pic->reference) |
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continue; |
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pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num; |
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render_ref = (struct vdpau_render_state*)pic->data[0]; |
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assert(render_ref); |
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rf2 = &render->info.h264.referenceFrames[0]; |
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while (rf2 != rf) { |
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if ( |
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(rf2->surface == render_ref->surface) |
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&& (rf2->is_long_term == pic->long_ref) |
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&& (rf2->frame_idx == pic_frame_idx) |
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) |
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break; |
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++rf2; |
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} |
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if (rf2 != rf) { |
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rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE; |
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rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE; |
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continue; |
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} |
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if (rf >= &render->info.h264.referenceFrames[H264_RF_COUNT]) |
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continue; |
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rf->surface = render_ref->surface; |
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rf->is_long_term = pic->long_ref; |
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rf->top_is_reference = (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE; |
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rf->bottom_is_reference = (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE; |
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rf->field_order_cnt[0] = pic->field_poc[0]; |
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rf->field_order_cnt[1] = pic->field_poc[1]; |
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rf->frame_idx = pic_frame_idx; |
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++rf; |
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} |
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} |
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for (; rf < &render->info.h264.referenceFrames[H264_RF_COUNT]; ++rf) { |
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rf->surface = VDP_INVALID_HANDLE; |
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rf->is_long_term = 0; |
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rf->top_is_reference = 0; |
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rf->bottom_is_reference = 0; |
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rf->field_order_cnt[0] = 0; |
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rf->field_order_cnt[1] = 0; |
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rf->frame_idx = 0; |
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} |
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} |
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void ff_VDPAU_h264_add_data_chunk(H264Context *h, const uint8_t *buf, int buf_size) |
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{ |
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MpegEncContext * s = &h->s; |
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struct vdpau_render_state * render; |
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render = (struct vdpau_render_state*)s->current_picture_ptr->data[0]; |
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assert(render); |
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if (!render->bitstreamBuffersUsed) |
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VDPAU_h264_set_reference_frames(h); |
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render->bitstreamBuffers= av_fast_realloc( |
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render->bitstreamBuffers, |
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&render->bitstreamBuffersAlloced, |
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sizeof(*render->bitstreamBuffers)*(render->bitstreamBuffersUsed + 1) |
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); |
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render->bitstreamBuffers[render->bitstreamBuffersUsed].struct_version = VDP_BITSTREAM_BUFFER_VERSION; |
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render->bitstreamBuffers[render->bitstreamBuffersUsed].bitstream = buf; |
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render->bitstreamBuffers[render->bitstreamBuffersUsed].bitstream_bytes = buf_size; |
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render->bitstreamBuffersUsed++; |
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} |
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void ff_VDPAU_h264_picture_complete(H264Context *h) |
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{ |
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MpegEncContext * s = &h->s; |
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struct vdpau_render_state * render; |
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render = (struct vdpau_render_state*)s->current_picture_ptr->data[0]; |
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assert(render); |
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render->info.h264.slice_count = h->slice_num; |
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if (render->info.h264.slice_count < 1) |
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return; |
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for (int i = 0; i < 2; ++i) { |
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int foc = s->current_picture_ptr->field_poc[i]; |
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if (foc == INT_MAX) |
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foc = 0; |
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render->info.h264.field_order_cnt[i] = foc; |
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} |
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render->info.h264.is_reference = s->current_picture_ptr->reference ? VDP_TRUE : VDP_FALSE; |
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render->info.h264.frame_num = h->frame_num; |
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render->info.h264.field_pic_flag = s->picture_structure != PICT_FRAME; |
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render->info.h264.bottom_field_flag = s->picture_structure == PICT_BOTTOM_FIELD; |
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render->info.h264.num_ref_frames = h->sps.ref_frame_count; |
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render->info.h264.mb_adaptive_frame_field_flag = h->sps.mb_aff; |
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render->info.h264.constrained_intra_pred_flag = h->pps.constrained_intra_pred; |
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render->info.h264.weighted_pred_flag = h->pps.weighted_pred; |
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render->info.h264.weighted_bipred_idc = h->pps.weighted_bipred_idc; |
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render->info.h264.frame_mbs_only_flag = h->sps.frame_mbs_only_flag; |
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render->info.h264.transform_8x8_mode_flag = h->pps.transform_8x8_mode; |
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render->info.h264.chroma_qp_index_offset = h->pps.chroma_qp_index_offset[0]; |
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render->info.h264.second_chroma_qp_index_offset = h->pps.chroma_qp_index_offset[1]; |
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render->info.h264.pic_init_qp_minus26 = h->pps.init_qp - 26; |
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render->info.h264.num_ref_idx_l0_active_minus1 = h->pps.ref_count[0] - 1; |
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render->info.h264.num_ref_idx_l1_active_minus1 = h->pps.ref_count[1] - 1; |
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render->info.h264.log2_max_frame_num_minus4 = h->sps.log2_max_frame_num - 4; |
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render->info.h264.pic_order_cnt_type = h->sps.poc_type; |
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render->info.h264.log2_max_pic_order_cnt_lsb_minus4 = h->sps.log2_max_poc_lsb - 4; |
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render->info.h264.delta_pic_order_always_zero_flag = h->sps.delta_pic_order_always_zero_flag; |
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render->info.h264.direct_8x8_inference_flag = h->sps.direct_8x8_inference_flag; |
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render->info.h264.entropy_coding_mode_flag = h->pps.cabac; |
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render->info.h264.pic_order_present_flag = h->pps.pic_order_present; |
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render->info.h264.deblocking_filter_control_present_flag = h->pps.deblocking_filter_parameters_present; |
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render->info.h264.redundant_pic_cnt_present_flag = h->pps.redundant_pic_cnt_present; |
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memcpy(render->info.h264.scaling_lists_4x4, h->pps.scaling_matrix4, sizeof(render->info.h264.scaling_lists_4x4)); |
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memcpy(render->info.h264.scaling_lists_8x8, h->pps.scaling_matrix8, sizeof(render->info.h264.scaling_lists_8x8)); |
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ff_draw_horiz_band(s, 0, s->avctx->height); |
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render->bitstreamBuffersUsed = 0; |
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} |
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/* @}*/ |
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