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
|
/*
* Video Acceleration API (video decoding)
* HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
*
* Copyright (C) 2008-2009 Splitted-Desktop Systems
*
* 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 "h264.h"
#include "vaapi_internal.h"
/**
* @addtogroup VAAPI_Decoding
*
* @{
*/
static void destroy_buffers(VADisplay display, VABufferID *buffers, unsigned int n_buffers)
{
unsigned int i;
for (i = 0; i < n_buffers; i++) {
if (buffers[i]) {
vaDestroyBuffer(display, buffers[i]);
buffers[i] = 0;
}
}
}
int ff_vaapi_render_picture(struct vaapi_context *vactx, VASurfaceID surface)
{
VABufferID va_buffers[3];
unsigned int n_va_buffers = 0;
vaUnmapBuffer(vactx->display, vactx->pic_param_buf_id);
va_buffers[n_va_buffers++] = vactx->pic_param_buf_id;
if (vactx->iq_matrix_buf_id) {
vaUnmapBuffer(vactx->display, vactx->iq_matrix_buf_id);
va_buffers[n_va_buffers++] = vactx->iq_matrix_buf_id;
}
if (vactx->bitplane_buf_id) {
vaUnmapBuffer(vactx->display, vactx->bitplane_buf_id);
va_buffers[n_va_buffers++] = vactx->bitplane_buf_id;
}
if (vaBeginPicture(vactx->display, vactx->context_id,
surface) != VA_STATUS_SUCCESS)
return -1;
if (vaRenderPicture(vactx->display, vactx->context_id,
va_buffers, n_va_buffers) != VA_STATUS_SUCCESS)
return -1;
if (vaRenderPicture(vactx->display, vactx->context_id,
vactx->slice_buf_ids,
vactx->n_slice_buf_ids) != VA_STATUS_SUCCESS)
return -1;
if (vaEndPicture(vactx->display, vactx->context_id) != VA_STATUS_SUCCESS)
return -1;
return 0;
}
int ff_vaapi_commit_slices(struct vaapi_context *vactx)
{
VABufferID *slice_buf_ids;
VABufferID slice_param_buf_id, slice_data_buf_id;
if (vactx->slice_count == 0)
return 0;
slice_buf_ids =
av_fast_realloc(vactx->slice_buf_ids,
&vactx->slice_buf_ids_alloc,
(vactx->n_slice_buf_ids + 2) * sizeof(slice_buf_ids[0]));
if (!slice_buf_ids)
return -1;
vactx->slice_buf_ids = slice_buf_ids;
slice_param_buf_id = 0;
if (vaCreateBuffer(vactx->display, vactx->context_id,
VASliceParameterBufferType,
vactx->slice_param_size,
vactx->slice_count, vactx->slice_params,
&slice_param_buf_id) != VA_STATUS_SUCCESS)
return -1;
vactx->slice_count = 0;
slice_data_buf_id = 0;
if (vaCreateBuffer(vactx->display, vactx->context_id,
VASliceDataBufferType,
vactx->slice_data_size,
1, (void *)vactx->slice_data,
&slice_data_buf_id) != VA_STATUS_SUCCESS)
return -1;
vactx->slice_data = NULL;
vactx->slice_data_size = 0;
slice_buf_ids[vactx->n_slice_buf_ids++] = slice_param_buf_id;
slice_buf_ids[vactx->n_slice_buf_ids++] = slice_data_buf_id;
return 0;
}
static void *alloc_buffer(struct vaapi_context *vactx, int type, unsigned int size, uint32_t *buf_id)
{
void *data = NULL;
*buf_id = 0;
if (vaCreateBuffer(vactx->display, vactx->context_id,
type, size, 1, NULL, buf_id) == VA_STATUS_SUCCESS)
vaMapBuffer(vactx->display, *buf_id, &data);
return data;
}
void *ff_vaapi_alloc_pic_param(struct vaapi_context *vactx, unsigned int size)
{
return alloc_buffer(vactx, VAPictureParameterBufferType, size, &vactx->pic_param_buf_id);
}
void *ff_vaapi_alloc_iq_matrix(struct vaapi_context *vactx, unsigned int size)
{
return alloc_buffer(vactx, VAIQMatrixBufferType, size, &vactx->iq_matrix_buf_id);
}
uint8_t *ff_vaapi_alloc_bitplane(struct vaapi_context *vactx, uint32_t size)
{
return alloc_buffer(vactx, VABitPlaneBufferType, size, &vactx->bitplane_buf_id);
}
VASliceParameterBufferBase *ff_vaapi_alloc_slice(struct vaapi_context *vactx, const uint8_t *buffer, uint32_t size)
{
uint8_t *slice_params;
VASliceParameterBufferBase *slice_param;
if (!vactx->slice_data)
vactx->slice_data = buffer;
if (vactx->slice_data + vactx->slice_data_size != buffer) {
if (ff_vaapi_commit_slices(vactx) < 0)
return NULL;
vactx->slice_data = buffer;
}
slice_params =
av_fast_realloc(vactx->slice_params,
&vactx->slice_params_alloc,
(vactx->slice_count + 1) * vactx->slice_param_size);
if (!slice_params)
return NULL;
vactx->slice_params = slice_params;
slice_param = (VASliceParameterBufferBase *)(slice_params + vactx->slice_count * vactx->slice_param_size);
slice_param->slice_data_size = size;
slice_param->slice_data_offset = vactx->slice_data_size;
slice_param->slice_data_flag = VA_SLICE_DATA_FLAG_ALL;
vactx->slice_count++;
vactx->slice_data_size += size;
return slice_param;
}
void ff_vaapi_common_end_frame(AVCodecContext *avctx)
{
struct vaapi_context * const vactx = avctx->hwaccel_context;
av_dlog(avctx, "ff_vaapi_common_end_frame()\n");
destroy_buffers(vactx->display, &vactx->pic_param_buf_id, 1);
destroy_buffers(vactx->display, &vactx->iq_matrix_buf_id, 1);
destroy_buffers(vactx->display, &vactx->bitplane_buf_id, 1);
destroy_buffers(vactx->display, vactx->slice_buf_ids, vactx->n_slice_buf_ids);
av_freep(&vactx->slice_buf_ids);
av_freep(&vactx->slice_params);
vactx->n_slice_buf_ids = 0;
vactx->slice_buf_ids_alloc = 0;
vactx->slice_count = 0;
vactx->slice_params_alloc = 0;
}
#if CONFIG_H263_VAAPI_HWACCEL || CONFIG_MPEG1_VAAPI_HWACCEL || \
CONFIG_MPEG2_VAAPI_HWACCEL || CONFIG_MPEG4_VAAPI_HWACCEL || \
CONFIG_VC1_VAAPI_HWACCEL || CONFIG_WMV3_VAAPI_HWACCEL
int ff_vaapi_mpeg_end_frame(AVCodecContext *avctx)
{
struct vaapi_context * const vactx = avctx->hwaccel_context;
MpegEncContext *s = avctx->priv_data;
int ret;
ret = ff_vaapi_commit_slices(vactx);
if (ret < 0)
goto finish;
ret = ff_vaapi_render_picture(vactx,
ff_vaapi_get_surface_id(s->current_picture_ptr->f));
if (ret < 0)
goto finish;
ff_mpeg_draw_horiz_band(s, 0, s->avctx->height);
finish:
ff_vaapi_common_end_frame(avctx);
return ret;
}
#endif
/* @} */
|
