mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-26 21:10:34 +00:00
b7fe35c9e5
* qatar/master: h264: deMpegEncContextize Conflicts: libavcodec/dxva2_h264.c libavcodec/h264.c libavcodec/h264.h libavcodec/h264_cabac.c libavcodec/h264_cavlc.c libavcodec/h264_loopfilter.c libavcodec/h264_mb_template.c libavcodec/h264_parser.c libavcodec/h264_ps.c libavcodec/h264_refs.c libavcodec/h264_sei.c libavcodec/svq3.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
111 lines
4.1 KiB
C
111 lines
4.1 KiB
C
/*
|
|
* MPEG-4 Part 2 / H.263 decode acceleration through VDPAU
|
|
*
|
|
* Copyright (c) 2008 NVIDIA
|
|
* Copyright (c) 2013 Rémi Denis-Courmont
|
|
*
|
|
* 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 <vdpau/vdpau.h>
|
|
|
|
#include "avcodec.h"
|
|
#include "vdpau.h"
|
|
#include "vdpau_internal.h"
|
|
|
|
static int vdpau_mpeg4_start_frame(AVCodecContext *avctx,
|
|
const uint8_t *buffer, uint32_t size)
|
|
{
|
|
MpegEncContext * const s = avctx->priv_data;
|
|
AVVDPAUContext *hwctx = avctx->hwaccel_context;
|
|
VdpPictureInfoMPEG4Part2 *info = &hwctx->info.mpeg4;
|
|
VdpVideoSurface ref;
|
|
int i;
|
|
|
|
/* fill VdpPictureInfoMPEG4Part2 struct */
|
|
info->forward_reference = VDP_INVALID_HANDLE;
|
|
info->backward_reference = VDP_INVALID_HANDLE;
|
|
info->vop_coding_type = 0;
|
|
|
|
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;
|
|
info->vop_coding_type = 2;
|
|
/* 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->trd[0] = s->pp_time;
|
|
info->trb[0] = s->pb_time;
|
|
info->trd[1] = s->pp_field_time >> 1;
|
|
info->trb[1] = s->pb_field_time >> 1;
|
|
info->vop_time_increment_resolution = s->avctx->time_base.den;
|
|
info->vop_fcode_forward = s->f_code;
|
|
info->vop_fcode_backward = s->b_code;
|
|
info->resync_marker_disable = !s->resync_marker;
|
|
info->interlaced = !s->progressive_sequence;
|
|
info->quant_type = s->mpeg_quant;
|
|
info->quarter_sample = s->quarter_sample;
|
|
info->short_video_header = avctx->codec->id == AV_CODEC_ID_H263;
|
|
info->rounding_control = s->no_rounding;
|
|
info->alternate_vertical_scan_flag = s->alternate_scan;
|
|
info->top_field_first = s->top_field_first;
|
|
for (i = 0; i < 64; ++i) {
|
|
info->intra_quantizer_matrix[i] = s->intra_matrix[i];
|
|
info->non_intra_quantizer_matrix[i] = s->inter_matrix[i];
|
|
}
|
|
|
|
ff_vdpau_common_start_frame(avctx, buffer, size);
|
|
return ff_vdpau_add_buffer(avctx, buffer, size);
|
|
}
|
|
|
|
static int vdpau_mpeg4_decode_slice(av_unused AVCodecContext *avctx,
|
|
av_unused const uint8_t *buffer,
|
|
av_unused uint32_t size)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#if CONFIG_H263_VDPAU_HWACCEL
|
|
AVHWAccel ff_h263_vdpau_hwaccel = {
|
|
.name = "h263_vdpau",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H263,
|
|
.pix_fmt = AV_PIX_FMT_VDPAU,
|
|
.start_frame = vdpau_mpeg4_start_frame,
|
|
.end_frame = ff_vdpau_mpeg_end_frame,
|
|
.decode_slice = vdpau_mpeg4_decode_slice,
|
|
};
|
|
#endif
|
|
|
|
#if CONFIG_MPEG4_VDPAU_HWACCEL
|
|
AVHWAccel ff_mpeg4_vdpau_hwaccel = {
|
|
.name = "mpeg4_vdpau",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_MPEG4,
|
|
.pix_fmt = AV_PIX_FMT_VDPAU,
|
|
.start_frame = vdpau_mpeg4_start_frame,
|
|
.end_frame = ff_vdpau_mpeg_end_frame,
|
|
.decode_slice = vdpau_mpeg4_decode_slice,
|
|
};
|
|
#endif
|