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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
/*
* MPEG-4 Part 10 / AVC / H.264 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 <vdpau/vdpau.h>
#include "avcodec.h"
#include "internal.h"
#include "h264.h"
#include "mpegutils.h"
#include "vdpau.h"
#include "vdpau_internal.h"
static int32_t h264_foc(int foc)
{
if (foc == INT_MAX)
foc = 0;
return foc;
}
static void vdpau_h264_clear_rf(VdpReferenceFrameH264 *rf)
{
rf->surface = VDP_INVALID_HANDLE;
rf->is_long_term = VDP_FALSE;
rf->top_is_reference = VDP_FALSE;
rf->bottom_is_reference = VDP_FALSE;
rf->field_order_cnt[0] = 0;
rf->field_order_cnt[1] = 0;
rf->frame_idx = 0;
}
static void vdpau_h264_set_rf(VdpReferenceFrameH264 *rf, H264Picture *pic,
int pic_structure)
{
VdpVideoSurface surface = ff_vdpau_get_surface_id(pic->f);
if (pic_structure == 0)
pic_structure = pic->reference;
rf->surface = surface;
rf->is_long_term = pic->reference && pic->long_ref;
rf->top_is_reference = (pic_structure & PICT_TOP_FIELD) != 0;
rf->bottom_is_reference = (pic_structure & PICT_BOTTOM_FIELD) != 0;
rf->field_order_cnt[0] = h264_foc(pic->field_poc[0]);
rf->field_order_cnt[1] = h264_foc(pic->field_poc[1]);
rf->frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
}
static void vdpau_h264_set_reference_frames(AVCodecContext *avctx)
{
H264Context * const h = avctx->priv_data;
struct vdpau_picture_context *pic_ctx = h->cur_pic_ptr->hwaccel_picture_private;
VdpPictureInfoH264 *info = &pic_ctx->info.h264;
int list;
VdpReferenceFrameH264 *rf = &info->referenceFrames[0];
#define H264_RF_COUNT FF_ARRAY_ELEMS(info->referenceFrames)
for (list = 0; list < 2; ++list) {
H264Picture **lp = list ? h->long_ref : h->short_ref;
int i, ls = list ? 16 : h->short_ref_count;
for (i = 0; i < ls; ++i) {
H264Picture *pic = lp[i];
VdpReferenceFrameH264 *rf2;
VdpVideoSurface surface_ref;
int pic_frame_idx;
if (!pic || !pic->reference)
continue;
pic_frame_idx = pic->long_ref ? pic->pic_id : pic->frame_num;
surface_ref = ff_vdpau_get_surface_id(pic->f);
rf2 = &info->referenceFrames[0];
while (rf2 != rf) {
if ((rf2->surface == surface_ref) &&
(rf2->is_long_term == pic->long_ref) &&
(rf2->frame_idx == pic_frame_idx))
break;
++rf2;
}
if (rf2 != rf) {
rf2->top_is_reference |= (pic->reference & PICT_TOP_FIELD) ? VDP_TRUE : VDP_FALSE;
rf2->bottom_is_reference |= (pic->reference & PICT_BOTTOM_FIELD) ? VDP_TRUE : VDP_FALSE;
continue;
}
if (rf >= &info->referenceFrames[H264_RF_COUNT])
continue;
vdpau_h264_set_rf(rf, pic, pic->reference);
++rf;
}
}
for (; rf < &info->referenceFrames[H264_RF_COUNT]; ++rf)
vdpau_h264_clear_rf(rf);
}
static int vdpau_h264_start_frame(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
H264Context * const h = avctx->priv_data;
const PPS *pps = h->ps.pps;
const SPS *sps = h->ps.sps;
H264Picture *pic = h->cur_pic_ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
VdpPictureInfoH264 *info = &pic_ctx->info.h264;
#ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
VdpPictureInfoH264Predictive *info2 = &pic_ctx->info.h264_predictive;
#endif
/* init VdpPictureInfoH264 */
info->slice_count = 0;
info->field_order_cnt[0] = h264_foc(pic->field_poc[0]);
info->field_order_cnt[1] = h264_foc(pic->field_poc[1]);
info->is_reference = h->nal_ref_idc != 0;
info->frame_num = h->poc.frame_num;
info->field_pic_flag = h->picture_structure != PICT_FRAME;
info->bottom_field_flag = h->picture_structure == PICT_BOTTOM_FIELD;
info->num_ref_frames = sps->ref_frame_count;
info->mb_adaptive_frame_field_flag = sps->mb_aff && !info->field_pic_flag;
info->constrained_intra_pred_flag = pps->constrained_intra_pred;
info->weighted_pred_flag = pps->weighted_pred;
info->weighted_bipred_idc = pps->weighted_bipred_idc;
info->frame_mbs_only_flag = sps->frame_mbs_only_flag;
info->transform_8x8_mode_flag = pps->transform_8x8_mode;
info->chroma_qp_index_offset = pps->chroma_qp_index_offset[0];
info->second_chroma_qp_index_offset = pps->chroma_qp_index_offset[1];
info->pic_init_qp_minus26 = pps->init_qp - 26;
info->num_ref_idx_l0_active_minus1 = pps->ref_count[0] - 1;
info->num_ref_idx_l1_active_minus1 = pps->ref_count[1] - 1;
info->log2_max_frame_num_minus4 = sps->log2_max_frame_num - 4;
info->pic_order_cnt_type = sps->poc_type;
info->log2_max_pic_order_cnt_lsb_minus4 = sps->poc_type ? 0 : sps->log2_max_poc_lsb - 4;
info->delta_pic_order_always_zero_flag = sps->delta_pic_order_always_zero_flag;
info->direct_8x8_inference_flag = sps->direct_8x8_inference_flag;
#ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
info2->qpprime_y_zero_transform_bypass_flag = sps->transform_bypass;
info2->separate_colour_plane_flag = sps->residual_color_transform_flag;
#endif
info->entropy_coding_mode_flag = pps->cabac;
info->pic_order_present_flag = pps->pic_order_present;
info->deblocking_filter_control_present_flag = pps->deblocking_filter_parameters_present;
info->redundant_pic_cnt_present_flag = pps->redundant_pic_cnt_present;
memcpy(info->scaling_lists_4x4, pps->scaling_matrix4,
sizeof(info->scaling_lists_4x4));
memcpy(info->scaling_lists_8x8[0], pps->scaling_matrix8[0],
sizeof(info->scaling_lists_8x8[0]));
memcpy(info->scaling_lists_8x8[1], pps->scaling_matrix8[3],
sizeof(info->scaling_lists_8x8[1]));
vdpau_h264_set_reference_frames(avctx);
return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
}
static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
static int vdpau_h264_decode_slice(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
H264Context *h = avctx->priv_data;
H264Picture *pic = h->cur_pic_ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
int val;
val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
if (val)
return val;
val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
if (val)
return val;
pic_ctx->info.h264.slice_count++;
return 0;
}
static int vdpau_h264_end_frame(AVCodecContext *avctx)
{
H264Context *h = avctx->priv_data;
H264SliceContext *sl = &h->slice_ctx[0];
H264Picture *pic = h->cur_pic_ptr;
struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
int val;
val = ff_vdpau_common_end_frame(avctx, pic->f, pic_ctx);
if (val < 0)
return val;
ff_h264_draw_horiz_band(h, sl, 0, h->avctx->height);
return 0;
}
static int vdpau_h264_init(AVCodecContext *avctx)
{
VdpDecoderProfile profile;
uint32_t level = avctx->level;
switch (avctx->profile & ~FF_PROFILE_H264_INTRA) {
case FF_PROFILE_H264_BASELINE:
profile = VDP_DECODER_PROFILE_H264_BASELINE;
break;
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
#ifdef VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE
profile = VDP_DECODER_PROFILE_H264_CONSTRAINED_BASELINE;
break;
#endif
case FF_PROFILE_H264_MAIN:
profile = VDP_DECODER_PROFILE_H264_MAIN;
break;
case FF_PROFILE_H264_HIGH:
profile = VDP_DECODER_PROFILE_H264_HIGH;
break;
#ifdef VDP_DECODER_PROFILE_H264_EXTENDED
case FF_PROFILE_H264_EXTENDED:
profile = VDP_DECODER_PROFILE_H264_EXTENDED;
break;
#endif
case FF_PROFILE_H264_HIGH_10:
/* XXX: High 10 can be treated as High so long as only 8 bits per
* format are supported. */
profile = VDP_DECODER_PROFILE_H264_HIGH;
break;
#ifdef VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE
case FF_PROFILE_H264_HIGH_422:
case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
case FF_PROFILE_H264_CAVLC_444:
profile = VDP_DECODER_PROFILE_H264_HIGH_444_PREDICTIVE;
break;
#endif
default:
return AVERROR(ENOTSUP);
}
if ((avctx->profile & FF_PROFILE_H264_INTRA) && avctx->level == 11)
level = VDP_DECODER_LEVEL_H264_1b;
return ff_vdpau_common_init(avctx, profile, level);
}
AVHWAccel ff_h264_vdpau_hwaccel = {
.name = "h264_vdpau",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.pix_fmt = AV_PIX_FMT_VDPAU,
.start_frame = vdpau_h264_start_frame,
.end_frame = vdpau_h264_end_frame,
.decode_slice = vdpau_h264_decode_slice,
.frame_priv_data_size = sizeof(struct vdpau_picture_context),
.init = vdpau_h264_init,
.uninit = ff_vdpau_common_uninit,
.priv_data_size = sizeof(VDPAUContext),
};
|
