From 775253278914d82ca3598b2d48e4ce0c6e05452a Mon Sep 17 00:00:00 2001 From: Rémi Denis-Courmont Date: Sat, 12 Jan 2013 17:53:47 +0200 Subject: vdpau: Add VC-1 decoding via hwaccel infrastructure Signed-off-by: Diego Biurrun --- libavcodec/vdpau_vc1.c | 128 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 libavcodec/vdpau_vc1.c (limited to 'libavcodec/vdpau_vc1.c') diff --git a/libavcodec/vdpau_vc1.c b/libavcodec/vdpau_vc1.c new file mode 100644 index 0000000000..638c07a607 --- /dev/null +++ b/libavcodec/vdpau_vc1.c @@ -0,0 +1,128 @@ +/* + * VC-1 decode acceleration through VDPAU + * + * Copyright (c) 2008 NVIDIA + * Copyright (c) 2013 Rémi Denis-Courmont + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include + +#include "avcodec.h" +#include "vc1.h" +#include "vdpau.h" +#include "vdpau_internal.h" + +static int vdpau_vc1_start_frame(AVCodecContext *avctx, + const uint8_t *buffer, uint32_t size) +{ + VC1Context * const v = avctx->priv_data; + AVVDPAUContext *hwctx = avctx->hwaccel_context; + MpegEncContext * const s = &v->s; + VdpPictureInfoVC1 *info = &hwctx->info.vc1; + VdpVideoSurface ref; + + /* fill LvPictureInfoVC1 struct */ + info->forward_reference = VDP_INVALID_HANDLE; + info->backward_reference = VDP_INVALID_HANDLE; + + switch (s->pict_type) { + case AV_PICTURE_TYPE_B: + ref = ff_vdpau_get_surface_id(&s->next_picture); + assert(ref != VDP_INVALID_HANDLE); + info->backward_reference = ref; + /* fall-through */ + case AV_PICTURE_TYPE_P: + ref = ff_vdpau_get_surface_id(&s->last_picture); + assert(ref != VDP_INVALID_HANDLE); + info->forward_reference = ref; + } + + info->slice_count = 0; + if (v->bi_type) + info->picture_type = 4; + else + info->picture_type = s->pict_type - 1 + s->pict_type / 3; + + info->frame_coding_mode = v->fcm; + info->postprocflag = v->postprocflag; + info->pulldown = v->broadcast; + info->interlace = v->interlace; + info->tfcntrflag = v->tfcntrflag; + info->finterpflag = v->finterpflag; + info->psf = v->psf; + info->dquant = v->dquant; + info->panscan_flag = v->panscanflag; + info->refdist_flag = v->refdist_flag; + info->quantizer = v->quantizer_mode; + info->extended_mv = v->extended_mv; + info->extended_dmv = v->extended_dmv; + info->overlap = v->overlap; + info->vstransform = v->vstransform; + info->loopfilter = v->s.loop_filter; + info->fastuvmc = v->fastuvmc; + info->range_mapy_flag = v->range_mapy_flag; + info->range_mapy = v->range_mapy; + info->range_mapuv_flag = v->range_mapuv_flag; + info->range_mapuv = v->range_mapuv; + /* Specific to simple/main profile only */ + info->multires = v->multires; + info->syncmarker = v->s.resync_marker; + info->rangered = v->rangered | (v->rangeredfrm << 1); + info->maxbframes = v->s.max_b_frames; + info->deblockEnable = v->postprocflag & 1; + info->pquant = v->pq; + + return ff_vdpau_common_start_frame(avctx, buffer, size); +} + +static int vdpau_vc1_decode_slice(AVCodecContext *avctx, + const uint8_t *buffer, uint32_t size) +{ + AVVDPAUContext *hwctx = avctx->hwaccel_context; + int val; + + val = ff_vdpau_add_buffer(avctx, buffer, size); + if (val < 0) + return val; + + hwctx->info.vc1.slice_count++; + return 0; +} + +#if CONFIG_WMV3_VDPAU_HWACCEL +AVHWAccel ff_wmv3_vdpau_hwaccel = { + .name = "wm3_vdpau", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_WMV3, + .pix_fmt = AV_PIX_FMT_VDPAU, + .start_frame = vdpau_vc1_start_frame, + .end_frame = ff_vdpau_common_end_frame, + .decode_slice = vdpau_vc1_decode_slice, +}; +#endif + +AVHWAccel ff_vc1_vdpau_hwaccel = { + .name = "vc1_vdpau", + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_VC1, + .pix_fmt = AV_PIX_FMT_VDPAU, + .start_frame = vdpau_vc1_start_frame, + .end_frame = ff_vdpau_common_end_frame, + .decode_slice = vdpau_vc1_decode_slice, +}; -- cgit v1.2.3