FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_encode_vp8.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 0 87 0.0%
Functions: 0 5 0.0%
Branches: 0 25 0.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <va/va.h>
20 #include <va/va_enc_vp8.h>
21
22 #include "libavutil/avassert.h"
23 #include "libavutil/common.h"
24 #include "libavutil/internal.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/pixfmt.h"
27
28 #include "avcodec.h"
29 #include "codec_internal.h"
30 #include "vaapi_encode.h"
31 #include "vp8.h"
32
33
34 typedef struct VAAPIEncodeVP8Context {
35 VAAPIEncodeContext common;
36
37 // User options.
38 int loop_filter_level;
39 int loop_filter_sharpness;
40
41 // Derived settings.
42 int q_index_i;
43 int q_index_p;
44 } VAAPIEncodeVP8Context;
45
46
47 #define vseq_var(name) vseq->name, name
48 #define vseq_field(name) vseq->seq_fields.bits.name, name
49 #define vpic_var(name) vpic->name, name
50 #define vpic_field(name) vpic->pic_fields.bits.name, name
51
52
53 static int vaapi_encode_vp8_init_sequence_params(AVCodecContext *avctx)
54 {
55 FFHWBaseEncodeContext *base_ctx = avctx->priv_data;
56 VAAPIEncodeContext *ctx = avctx->priv_data;
57 VAEncSequenceParameterBufferVP8 *vseq = ctx->codec_sequence_params;
58
59 vseq->frame_width = avctx->width;
60 vseq->frame_height = avctx->height;
61
62 vseq->frame_width_scale = 0;
63 vseq->frame_height_scale = 0;
64
65 vseq->error_resilient = 0;
66 vseq->kf_auto = 0;
67
68 if (!(ctx->va_rc_mode & VA_RC_CQP)) {
69 vseq->bits_per_second = ctx->va_bit_rate;
70 vseq->intra_period = base_ctx->gop_size;
71 }
72
73 return 0;
74 }
75
76 static int vaapi_encode_vp8_init_picture_params(AVCodecContext *avctx,
77 FFHWBaseEncodePicture *pic)
78 {
79 VAAPIEncodePicture *vaapi_pic = pic->priv;
80 VAAPIEncodeVP8Context *priv = avctx->priv_data;
81 VAEncPictureParameterBufferVP8 *vpic = vaapi_pic->codec_picture_params;
82 int i;
83
84 vpic->reconstructed_frame = vaapi_pic->recon_surface;
85
86 vpic->coded_buf = vaapi_pic->output_buffer;
87
88 switch (pic->type) {
89 case FF_HW_PICTURE_TYPE_IDR:
90 case FF_HW_PICTURE_TYPE_I:
91 av_assert0(pic->nb_refs[0] == 0 && pic->nb_refs[1] == 0);
92 vpic->ref_flags.bits.force_kf = 1;
93 vpic->ref_last_frame =
94 vpic->ref_gf_frame =
95 vpic->ref_arf_frame =
96 VA_INVALID_SURFACE;
97 break;
98 case FF_HW_PICTURE_TYPE_P:
99 av_assert0(!pic->nb_refs[1]);
100 vpic->ref_flags.bits.no_ref_last = 0;
101 vpic->ref_flags.bits.no_ref_gf = 1;
102 vpic->ref_flags.bits.no_ref_arf = 1;
103 vpic->ref_last_frame =
104 vpic->ref_gf_frame =
105 vpic->ref_arf_frame =
106 ((VAAPIEncodePicture *)pic->refs[0][0]->priv)->recon_surface;
107 break;
108 default:
109 av_assert0(0 && "invalid picture type");
110 }
111
112 vpic->pic_flags.bits.frame_type = (pic->type != FF_HW_PICTURE_TYPE_IDR);
113 vpic->pic_flags.bits.show_frame = 1;
114
115 vpic->pic_flags.bits.refresh_last = 1;
116 vpic->pic_flags.bits.refresh_golden_frame = 1;
117 vpic->pic_flags.bits.refresh_alternate_frame = 1;
118
119 vpic->pic_flags.bits.version = 0;
120 vpic->pic_flags.bits.loop_filter_type = 0;
121 for (i = 0; i < 4; i++)
122 vpic->loop_filter_level[i] = priv->loop_filter_level;
123 vpic->sharpness_level = priv->loop_filter_sharpness;
124
125 vpic->clamp_qindex_low = 0;
126 vpic->clamp_qindex_high = 127;
127
128 return 0;
129 }
130
131 static int vaapi_encode_vp8_write_quant_table(AVCodecContext *avctx,
132 FFHWBaseEncodePicture *base_pic,
133 int index, int *type,
134 char *data, size_t *data_len)
135 {
136 VAAPIEncodeVP8Context *priv = avctx->priv_data;
137 VAQMatrixBufferVP8 quant;
138 int i, q;
139
140 if (index > 0)
141 return AVERROR_EOF;
142
143 if (*data_len < sizeof(quant))
144 return AVERROR(EINVAL);
145 *type = VAQMatrixBufferType;
146 *data_len = sizeof(quant);
147
148 memset(&quant, 0, sizeof(quant));
149
150 if (base_pic->type == FF_HW_PICTURE_TYPE_P)
151 q = priv->q_index_p;
152 else
153 q = priv->q_index_i;
154
155 for (i = 0; i < 4; i++)
156 quant.quantization_index[i] = q;
157 for (i = 0; i < 5; i++)
158 quant.quantization_index_delta[i] = 0;
159
160 memcpy(data, &quant, sizeof(quant));
161 return 0;
162 }
163
164 static av_cold int vaapi_encode_vp8_configure(AVCodecContext *avctx)
165 {
166 VAAPIEncodeContext *ctx = avctx->priv_data;
167 VAAPIEncodeVP8Context *priv = avctx->priv_data;
168
169 priv->q_index_p = av_clip(ctx->rc_quality, 0, VP8_MAX_QUANT);
170 if (avctx->i_quant_factor > 0.0)
171 priv->q_index_i =
172 av_clip((avctx->i_quant_factor * priv->q_index_p +
173 avctx->i_quant_offset) + 0.5,
174 0, VP8_MAX_QUANT);
175 else
176 priv->q_index_i = priv->q_index_p;
177
178 ctx->roi_quant_range = VP8_MAX_QUANT;
179
180 return 0;
181 }
182
183 static const VAAPIEncodeProfile vaapi_encode_vp8_profiles[] = {
184 { 0 /* VP8 has no profiles */, 8, 3, 1, 1, VAProfileVP8Version0_3 },
185 { AV_PROFILE_UNKNOWN }
186 };
187
188 static const VAAPIEncodeType vaapi_encode_type_vp8 = {
189 .profiles = vaapi_encode_vp8_profiles,
190
191 .configure = &vaapi_encode_vp8_configure,
192
193 .default_quality = 40,
194
195 .sequence_params_size = sizeof(VAEncSequenceParameterBufferVP8),
196 .init_sequence_params = &vaapi_encode_vp8_init_sequence_params,
197
198 .picture_params_size = sizeof(VAEncPictureParameterBufferVP8),
199 .init_picture_params = &vaapi_encode_vp8_init_picture_params,
200
201 .write_extra_buffer = &vaapi_encode_vp8_write_quant_table,
202 };
203
204 static av_cold int vaapi_encode_vp8_init(AVCodecContext *avctx)
205 {
206 VAAPIEncodeContext *ctx = avctx->priv_data;
207
208 ctx->codec = &vaapi_encode_type_vp8;
209
210 // No packed headers are currently desired. VP8 has no metadata
211 // which would be useful to write, and no existing driver supports
212 // adding them anyway.
213 ctx->desired_packed_headers = 0;
214
215 return ff_vaapi_encode_init(avctx);
216 }
217
218 #define OFFSET(x) offsetof(VAAPIEncodeVP8Context, x)
219 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
220 static const AVOption vaapi_encode_vp8_options[] = {
221 HW_BASE_ENCODE_COMMON_OPTIONS,
222 VAAPI_ENCODE_COMMON_OPTIONS,
223 VAAPI_ENCODE_RC_OPTIONS,
224
225 { "loop_filter_level", "Loop filter level",
226 OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
227 { "loop_filter_sharpness", "Loop filter sharpness",
228 OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
229 { NULL },
230 };
231
232 static const FFCodecDefault vaapi_encode_vp8_defaults[] = {
233 { "b", "0" },
234 { "bf", "0" },
235 { "g", "120" },
236 { "qmin", "-1" },
237 { "qmax", "-1" },
238 { NULL },
239 };
240
241 static const AVClass vaapi_encode_vp8_class = {
242 .class_name = "vp8_vaapi",
243 .item_name = av_default_item_name,
244 .option = vaapi_encode_vp8_options,
245 .version = LIBAVUTIL_VERSION_INT,
246 };
247
248 const FFCodec ff_vp8_vaapi_encoder = {
249 .p.name = "vp8_vaapi",
250 CODEC_LONG_NAME("VP8 (VAAPI)"),
251 .p.type = AVMEDIA_TYPE_VIDEO,
252 .p.id = AV_CODEC_ID_VP8,
253 .priv_data_size = sizeof(VAAPIEncodeVP8Context),
254 .init = &vaapi_encode_vp8_init,
255 FF_CODEC_RECEIVE_PACKET_CB(&ff_vaapi_encode_receive_packet),
256 .close = &ff_vaapi_encode_close,
257 .p.priv_class = &vaapi_encode_vp8_class,
258 .p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE |
259 AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
260 .caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE |
261 FF_CODEC_CAP_INIT_CLEANUP,
262 .defaults = vaapi_encode_vp8_defaults,
263 .p.pix_fmts = (const enum AVPixelFormat[]) {
264 AV_PIX_FMT_VAAPI,
265 AV_PIX_FMT_NONE,
266 },
267 .color_ranges = AVCOL_RANGE_MPEG, /* FIXME: implement tagging */
268 .hw_configs = ff_vaapi_encode_hw_configs,
269 .p.wrapper_name = "vaapi",
270 };
271