1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* MPEG-1/2 HW 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 "config_components.h"
#include <vdpau/vdpau.h>
#include "avcodec.h"
#include "hwaccel_internal.h"
#include "mpegvideo.h"
#include "vdpau.h"
#include "vdpau_internal.h"
static int vdpau_mpeg_start_frame(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
MpegEncContext * const s = avctx->priv_data;
MPVPicture *pic = s->cur_pic.ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
VdpPictureInfoMPEG1Or2 *info = &pic_ctx->info.mpeg;
VdpVideoSurface ref;
int i;
/* fill VdpPictureInfoMPEG1Or2 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_pic.ptr->f);
assert(ref != VDP_INVALID_HANDLE);
info->backward_reference = ref;
/* fall through to forward prediction */
case AV_PICTURE_TYPE_P:
ref = ff_vdpau_get_surface_id(s->last_pic.ptr->f);
info->forward_reference = ref;
}
info->slice_count = 0;
info->picture_structure = s->picture_structure;
info->picture_coding_type = s->pict_type;
info->intra_dc_precision = s->intra_dc_precision;
info->frame_pred_frame_dct = s->frame_pred_frame_dct;
info->concealment_motion_vectors = s->concealment_motion_vectors;
info->intra_vlc_format = s->intra_vlc_format;
info->alternate_scan = s->alternate_scan;
info->q_scale_type = s->q_scale_type;
info->top_field_first = s->top_field_first;
// Both for MPEG-1 only, zero for MPEG-2:
info->full_pel_forward_vector = s->full_pel[0];
info->full_pel_backward_vector = s->full_pel[1];
// For MPEG-1 fill both horizontal & vertical:
info->f_code[0][0] = s->mpeg_f_code[0][0];
info->f_code[0][1] = s->mpeg_f_code[0][1];
info->f_code[1][0] = s->mpeg_f_code[1][0];
info->f_code[1][1] = s->mpeg_f_code[1][1];
for (i = 0; i < 64; ++i) {
int n = s->idsp.idct_permutation[i];
info->intra_quantizer_matrix[i] = s->intra_matrix[n];
info->non_intra_quantizer_matrix[i] = s->inter_matrix[n];
}
return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
}
static int vdpau_mpeg_decode_slice(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
MpegEncContext * const s = avctx->priv_data;
MPVPicture *pic = s->cur_pic.ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
int val;
val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
if (val < 0)
return val;
pic_ctx->info.mpeg.slice_count++;
return 0;
}
#if CONFIG_MPEG1_VDPAU_HWACCEL
static int vdpau_mpeg1_init(AVCodecContext *avctx)
{
return ff_vdpau_common_init(avctx, VDP_DECODER_PROFILE_MPEG1,
VDP_DECODER_LEVEL_MPEG1_NA);
}
const FFHWAccel ff_mpeg1_vdpau_hwaccel = {
.p.name = "mpeg1_vdpau",
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_MPEG1VIDEO,
.p.pix_fmt = AV_PIX_FMT_VDPAU,
.start_frame = vdpau_mpeg_start_frame,
.end_frame = ff_vdpau_mpeg_end_frame,
.decode_slice = vdpau_mpeg_decode_slice,
.frame_priv_data_size = sizeof(struct vdpau_picture_context),
.init = vdpau_mpeg1_init,
.uninit = ff_vdpau_common_uninit,
.priv_data_size = sizeof(VDPAUContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
};
#endif
#if CONFIG_MPEG2_VDPAU_HWACCEL
static int vdpau_mpeg2_init(AVCodecContext *avctx)
{
VdpDecoderProfile profile;
switch (avctx->profile) {
case AV_PROFILE_MPEG2_MAIN:
profile = VDP_DECODER_PROFILE_MPEG2_MAIN;
break;
case AV_PROFILE_MPEG2_SIMPLE:
profile = VDP_DECODER_PROFILE_MPEG2_SIMPLE;
break;
default:
return AVERROR(EINVAL);
}
return ff_vdpau_common_init(avctx, profile, VDP_DECODER_LEVEL_MPEG2_HL);
}
const FFHWAccel ff_mpeg2_vdpau_hwaccel = {
.p.name = "mpeg2_vdpau",
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_MPEG2VIDEO,
.p.pix_fmt = AV_PIX_FMT_VDPAU,
.start_frame = vdpau_mpeg_start_frame,
.end_frame = ff_vdpau_mpeg_end_frame,
.decode_slice = vdpau_mpeg_decode_slice,
.frame_priv_data_size = sizeof(struct vdpau_picture_context),
.init = vdpau_mpeg2_init,
.uninit = ff_vdpau_common_uninit,
.frame_params = ff_vdpau_common_frame_params,
.priv_data_size = sizeof(VDPAUContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
};
#endif
|
