2 * This file is part of FFmpeg.
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.
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.
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
20 #include <va/va_enc_vp9.h>
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"
30 #include "vaapi_encode.h"
32 #define VP9_MAX_QUANT 255
35 typedef struct VAAPIEncodeVP9Context {
36 VAAPIEncodeContext common;
39 int loop_filter_level;
40 int loop_filter_sharpness;
49 // Reference direction for B-like frames:
50 // 0 - most recent P/IDR frame is last.
51 // 1 - most recent P frame is golden.
53 } VAAPIEncodeVP9Context;
56 #define vseq_var(name) vseq->name, name
57 #define vseq_field(name) vseq->seq_fields.bits.name, name
58 #define vpic_var(name) vpic->name, name
59 #define vpic_field(name) vpic->pic_fields.bits.name, name
62 static int vaapi_encode_vp9_init_sequence_params(AVCodecContext *avctx)
64 VAAPIEncodeContext *ctx = avctx->priv_data;
65 VAEncSequenceParameterBufferVP9 *vseq = ctx->codec_sequence_params;
66 VAEncPictureParameterBufferVP9 *vpic = ctx->codec_picture_params;
68 vseq->max_frame_width = avctx->width;
69 vseq->max_frame_height = avctx->height;
73 if (!(ctx->va_rc_mode & VA_RC_CQP)) {
74 vseq->bits_per_second = ctx->va_bit_rate;
75 vseq->intra_period = ctx->gop_size;
78 vpic->frame_width_src = avctx->width;
79 vpic->frame_height_src = avctx->height;
80 vpic->frame_width_dst = avctx->width;
81 vpic->frame_height_dst = avctx->height;
86 static int vaapi_encode_vp9_init_picture_params(AVCodecContext *avctx,
87 VAAPIEncodePicture *pic)
89 VAAPIEncodeContext *ctx = avctx->priv_data;
90 VAAPIEncodeVP9Context *priv = avctx->priv_data;
91 VAEncPictureParameterBufferVP9 *vpic = pic->codec_picture_params;
94 vpic->reconstructed_frame = pic->recon_surface;
95 vpic->coded_buf = pic->output_buffer;
98 case PICTURE_TYPE_IDR:
99 av_assert0(pic->nb_refs == 0);
100 vpic->ref_flags.bits.force_kf = 1;
101 vpic->refresh_frame_flags = 0x01;
102 priv->last_ref_dir = 0;
105 av_assert0(pic->nb_refs == 1);
106 if (ctx->b_per_p > 0) {
107 if (priv->last_ref_dir) {
108 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 2;
109 vpic->ref_flags.bits.ref_gf_idx = 1;
110 vpic->ref_flags.bits.ref_gf_sign_bias = 1;
111 vpic->refresh_frame_flags = 0x01;
113 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
114 vpic->ref_flags.bits.ref_last_idx = 0;
115 vpic->ref_flags.bits.ref_last_sign_bias = 1;
116 vpic->refresh_frame_flags = 0x02;
119 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
120 vpic->ref_flags.bits.ref_last_idx = 0;
121 vpic->ref_flags.bits.ref_last_sign_bias = 1;
122 vpic->refresh_frame_flags = 0x01;
126 av_assert0(pic->nb_refs == 2);
127 if (priv->last_ref_dir) {
128 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
129 vpic->ref_flags.bits.ref_frame_ctrl_l1 = 2;
130 vpic->ref_flags.bits.ref_last_idx = 0;
131 vpic->ref_flags.bits.ref_last_sign_bias = 1;
132 vpic->ref_flags.bits.ref_gf_idx = 1;
133 vpic->ref_flags.bits.ref_gf_sign_bias = 0;
135 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 2;
136 vpic->ref_flags.bits.ref_frame_ctrl_l1 = 1;
137 vpic->ref_flags.bits.ref_last_idx = 0;
138 vpic->ref_flags.bits.ref_last_sign_bias = 0;
139 vpic->ref_flags.bits.ref_gf_idx = 1;
140 vpic->ref_flags.bits.ref_gf_sign_bias = 1;
142 vpic->refresh_frame_flags = 0x00;
145 av_assert0(0 && "invalid picture type");
148 for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++)
149 vpic->reference_frames[i] = VA_INVALID_SURFACE;
150 if (pic->type == PICTURE_TYPE_P) {
151 av_assert0(pic->refs[0]);
152 vpic->reference_frames[priv->last_ref_dir] =
153 pic->refs[0]->recon_surface;
154 } else if (pic->type == PICTURE_TYPE_B) {
155 av_assert0(pic->refs[0] && pic->refs[1]);
156 vpic->reference_frames[!priv->last_ref_dir] =
157 pic->refs[0]->recon_surface;
158 vpic->reference_frames[priv->last_ref_dir] =
159 pic->refs[1]->recon_surface;
162 vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
163 vpic->pic_flags.bits.show_frame = pic->display_order <= pic->encode_order;
165 if (pic->type == PICTURE_TYPE_IDR)
166 vpic->luma_ac_qindex = priv->q_idx_idr;
167 else if (pic->type == PICTURE_TYPE_P)
168 vpic->luma_ac_qindex = priv->q_idx_p;
170 vpic->luma_ac_qindex = priv->q_idx_b;
171 vpic->luma_dc_qindex_delta = 0;
172 vpic->chroma_ac_qindex_delta = 0;
173 vpic->chroma_dc_qindex_delta = 0;
175 vpic->filter_level = priv->loop_filter_level;
176 vpic->sharpness_level = priv->loop_filter_sharpness;
178 if (ctx->b_per_p > 0 && pic->type == PICTURE_TYPE_P)
179 priv->last_ref_dir = !priv->last_ref_dir;
184 static av_cold int vaapi_encode_vp9_configure(AVCodecContext *avctx)
186 VAAPIEncodeVP9Context *priv = avctx->priv_data;
188 priv->q_idx_p = av_clip(avctx->global_quality, 0, VP9_MAX_QUANT);
189 if (avctx->i_quant_factor > 0.0)
190 priv->q_idx_idr = av_clip((avctx->global_quality *
191 avctx->i_quant_factor +
192 avctx->i_quant_offset) + 0.5,
195 priv->q_idx_idr = priv->q_idx_p;
196 if (avctx->b_quant_factor > 0.0)
197 priv->q_idx_b = av_clip((avctx->global_quality *
198 avctx->b_quant_factor +
199 avctx->b_quant_offset) + 0.5,
202 priv->q_idx_b = priv->q_idx_p;
207 static const VAAPIEncodeProfile vaapi_encode_vp9_profiles[] = {
208 { FF_PROFILE_VP9_0, 8, 3, 1, 1, VAProfileVP9Profile0 },
209 { FF_PROFILE_VP9_2, 10, 3, 1, 1, VAProfileVP9Profile2 },
210 { FF_PROFILE_UNKNOWN }
213 static const VAAPIEncodeType vaapi_encode_type_vp9 = {
214 .profiles = vaapi_encode_vp9_profiles,
216 .configure = &vaapi_encode_vp9_configure,
218 .sequence_params_size = sizeof(VAEncSequenceParameterBufferVP9),
219 .init_sequence_params = &vaapi_encode_vp9_init_sequence_params,
221 .picture_params_size = sizeof(VAEncPictureParameterBufferVP9),
222 .init_picture_params = &vaapi_encode_vp9_init_picture_params,
225 static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx)
227 VAAPIEncodeContext *ctx = avctx->priv_data;
229 ctx->codec = &vaapi_encode_type_vp9;
231 // No packed headers are currently desired. They could be written,
232 // but there isn't any reason to do so - the one usable driver (i965)
233 // can write its own headers and there is no metadata to include.
234 ctx->desired_packed_headers = 0;
236 // Surfaces must be aligned to superblock boundaries.
237 ctx->surface_width = FFALIGN(avctx->width, 64);
238 ctx->surface_height = FFALIGN(avctx->height, 64);
240 return ff_vaapi_encode_init(avctx);
243 #define OFFSET(x) offsetof(VAAPIEncodeVP9Context, x)
244 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
245 static const AVOption vaapi_encode_vp9_options[] = {
246 VAAPI_ENCODE_COMMON_OPTIONS,
247 { "loop_filter_level", "Loop filter level",
248 OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
249 { "loop_filter_sharpness", "Loop filter sharpness",
250 OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
254 static const AVCodecDefault vaapi_encode_vp9_defaults[] = {
258 { "global_quality", "100" },
264 static const AVClass vaapi_encode_vp9_class = {
265 .class_name = "vp9_vaapi",
266 .item_name = av_default_item_name,
267 .option = vaapi_encode_vp9_options,
268 .version = LIBAVUTIL_VERSION_INT,
271 AVCodec ff_vp9_vaapi_encoder = {
273 .long_name = NULL_IF_CONFIG_SMALL("VP9 (VAAPI)"),
274 .type = AVMEDIA_TYPE_VIDEO,
275 .id = AV_CODEC_ID_VP9,
276 .priv_data_size = sizeof(VAAPIEncodeVP9Context),
277 .init = &vaapi_encode_vp9_init,
278 .encode2 = &ff_vaapi_encode2,
279 .close = &ff_vaapi_encode_close,
280 .priv_class = &vaapi_encode_vp9_class,
281 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
282 .defaults = vaapi_encode_vp9_defaults,
283 .pix_fmts = (const enum AVPixelFormat[]) {
287 .wrapper_name = "vaapi",