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236 lines
7.1 KiB
236 lines
7.1 KiB
/*****************************************************************************
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* vaapi.c: VAAPI helpers for the libavcodec decoder
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*****************************************************************************
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* Copyright (C) 2017 VLC authors and VideoLAN
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* Copyright (C) 2009-2010 Laurent Aimar
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* Copyright (C) 2012-2014 Rémi Denis-Courmont
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*
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* Authors: Laurent Aimar <fenrir_AT_ videolan _DOT_ org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU 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 License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <assert.h>
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_fourcc.h>
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#include <vlc_picture.h>
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#include <vlc_picture_pool.h>
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#ifdef VLC_VA_BACKEND_DRM
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <fcntl.h>
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# include <vlc_fs.h>
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# include <va/va_drm.h>
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#endif
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#include <libavcodec/avcodec.h>
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#include <libavcodec/vaapi.h>
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#include "avcodec.h"
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#include "va.h"
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#include "../../hw/vaapi/vlc_vaapi.h"
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struct vlc_va_sys_t
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{
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struct vaapi_context hw_ctx;
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vlc_video_context *vctx;
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/* mimick what is done in the decoder pool from the display for now */
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picture_pool_t *picture_pool;
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};
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static int GetVaProfile(const AVCodecContext *ctx, const es_format_t *fmt,
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VAProfile *va_profile, int *vlc_chroma,
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unsigned *pic_count)
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{
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VAProfile i_profile;
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unsigned count = 3;
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int i_vlc_chroma = VLC_CODEC_VAAPI_420;
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switch(ctx->codec_id)
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{
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case AV_CODEC_ID_MPEG1VIDEO:
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case AV_CODEC_ID_MPEG2VIDEO:
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i_profile = VAProfileMPEG2Main;
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count = 4;
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break;
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case AV_CODEC_ID_MPEG4:
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i_profile = VAProfileMPEG4AdvancedSimple;
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break;
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case AV_CODEC_ID_WMV3:
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i_profile = VAProfileVC1Main;
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break;
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case AV_CODEC_ID_VC1:
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i_profile = VAProfileVC1Advanced;
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break;
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case AV_CODEC_ID_H264:
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i_profile = VAProfileH264High;
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count = 18;
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break;
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case AV_CODEC_ID_HEVC:
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if (fmt->i_profile == FF_PROFILE_HEVC_MAIN)
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i_profile = VAProfileHEVCMain;
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else if (fmt->i_profile == FF_PROFILE_HEVC_MAIN_10)
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{
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i_profile = VAProfileHEVCMain10;
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i_vlc_chroma = VLC_CODEC_VAAPI_420_10BPP;
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}
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else
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return VLC_EGENERIC;
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count = 18;
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break;
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case AV_CODEC_ID_VP8:
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i_profile = VAProfileVP8Version0_3;
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count = 5;
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break;
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case AV_CODEC_ID_VP9:
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if (ctx->profile == FF_PROFILE_VP9_0)
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i_profile = VAProfileVP9Profile0;
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#if VA_CHECK_VERSION( 0, 39, 0 )
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else if (ctx->profile == FF_PROFILE_VP9_2)
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{
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i_profile = VAProfileVP9Profile2;
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i_vlc_chroma = VLC_CODEC_VAAPI_420_10BPP;
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}
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#endif
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else
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return VLC_EGENERIC;
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count = 10;
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break;
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default:
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return VLC_EGENERIC;
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}
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*va_profile = i_profile;
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*pic_count = count + ctx->thread_count;
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*vlc_chroma = i_vlc_chroma;
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return VLC_SUCCESS;
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}
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static int Get(vlc_va_t *va, picture_t *pic, uint8_t **data)
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{
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(void) va;
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vlc_vaapi_PicAttachContext(pic);
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*data = (void *) (uintptr_t) vlc_vaapi_PicGetSurface(pic);
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return VLC_SUCCESS;
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}
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static void Delete(vlc_va_t *va)
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{
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vlc_va_sys_t *sys = va->sys;
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vlc_object_t *o = VLC_OBJECT(va);
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picture_pool_Release(sys->picture_pool);
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vlc_video_context_Release(sys->vctx);
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vlc_vaapi_DestroyContext(o, sys->hw_ctx.display, sys->hw_ctx.context_id);
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vlc_vaapi_DestroyConfig(o, sys->hw_ctx.display, sys->hw_ctx.config_id);
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free(sys);
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}
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static const struct vlc_va_operations ops = { Get, Delete, };
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static int Create(vlc_va_t *va, AVCodecContext *ctx, const AVPixFmtDescriptor *desc,
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enum PixelFormat pix_fmt,
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const es_format_t *fmt, vlc_decoder_device *dec_device,
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vlc_video_context **vtcx_out)
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{
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VLC_UNUSED(desc);
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if (pix_fmt != AV_PIX_FMT_VAAPI_VLD || dec_device == NULL ||
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dec_device->type != VLC_DECODER_DEVICE_VAAPI)
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return VLC_EGENERIC;
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vlc_va_sys_t *sys = malloc(sizeof *sys);
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if (unlikely(sys == NULL))
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return VLC_ENOMEM;
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memset(sys, 0, sizeof (*sys));
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vlc_object_t *o = VLC_OBJECT(va);
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int ret = VLC_EGENERIC;
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VADisplay va_dpy = dec_device->opaque;
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VAProfile i_profile;
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unsigned count;
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int i_vlc_chroma;
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if (GetVaProfile(ctx, fmt, &i_profile, &i_vlc_chroma, &count) != VLC_SUCCESS)
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goto error;
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video_format_t fmt_video = fmt->video;
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fmt_video.i_chroma = i_vlc_chroma;
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VASurfaceID *render_targets;
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sys->picture_pool =
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vlc_vaapi_PoolNew(VLC_OBJECT(va), dec_device, va_dpy, count,
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&render_targets, &fmt_video, true);
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if (sys->picture_pool == NULL)
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goto error;
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/* */
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sys->hw_ctx.display = va_dpy;
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sys->hw_ctx.config_id = VA_INVALID_ID;
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sys->hw_ctx.context_id = VA_INVALID_ID;
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sys->hw_ctx.config_id =
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vlc_vaapi_CreateConfigChecked(o, sys->hw_ctx.display, i_profile,
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VAEntrypointVLD, i_vlc_chroma);
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if (sys->hw_ctx.config_id == VA_INVALID_ID)
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goto error;
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/* Create a context */
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sys->hw_ctx.context_id =
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vlc_vaapi_CreateContext(o, sys->hw_ctx.display, sys->hw_ctx.config_id,
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ctx->coded_width, ctx->coded_height, VA_PROGRESSIVE,
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render_targets, count);
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if (sys->hw_ctx.context_id == VA_INVALID_ID)
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goto error;
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msg_Info(va, "Using %s", vaQueryVendorString(sys->hw_ctx.display));
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sys->vctx = vlc_video_context_Create( dec_device, VLC_VIDEO_CONTEXT_VAAPI, 0, NULL );
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if (sys->vctx == NULL)
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goto error;
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ctx->hwaccel_context = &sys->hw_ctx;
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va->sys = sys;
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va->ops = &ops;
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*vtcx_out = sys->vctx;
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return VLC_SUCCESS;
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error:
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if (sys->picture_pool != NULL)
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picture_pool_Release(sys->picture_pool);
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if (sys->hw_ctx.context_id != VA_INVALID_ID)
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vlc_vaapi_DestroyContext(o, sys->hw_ctx.display, sys->hw_ctx.context_id);
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if (sys->hw_ctx.config_id != VA_INVALID_ID)
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vlc_vaapi_DestroyConfig(o, sys->hw_ctx.display, sys->hw_ctx.config_id);
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free(sys);
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return ret;
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}
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vlc_module_begin ()
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set_description( N_("VA-API video decoder") )
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set_va_callback( Create, 100 )
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add_shortcut( "vaapi" )
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set_category( CAT_INPUT )
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set_subcategory( SUBCAT_INPUT_VCODEC )
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vlc_module_end ()
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