2 * This file is part of Libav.
4 * Libav 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 * Libav 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 Libav; 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"
33 typedef struct VAAPIEncodeVP9Context {
38 // Reference direction for B-like frames:
39 // 0 - most recent P/IDR frame is last.
40 // 1 - most recent P frame is golden.
42 } VAAPIEncodeVP9Context;
44 typedef struct VAAPIEncodeVP9Options {
45 int loop_filter_level;
46 int loop_filter_sharpness;
47 } VAAPIEncodeVP9Options;
50 #define vseq_var(name) vseq->name, name
51 #define vseq_field(name) vseq->seq_fields.bits.name, name
52 #define vpic_var(name) vpic->name, name
53 #define vpic_field(name) vpic->pic_fields.bits.name, name
56 static int vaapi_encode_vp9_init_sequence_params(AVCodecContext *avctx)
58 VAAPIEncodeContext *ctx = avctx->priv_data;
59 VAEncSequenceParameterBufferVP9 *vseq = ctx->codec_sequence_params;
60 VAEncPictureParameterBufferVP9 *vpic = ctx->codec_picture_params;
62 vseq->max_frame_width = avctx->width;
63 vseq->max_frame_height = avctx->height;
67 if (!(ctx->va_rc_mode & VA_RC_CQP)) {
68 vseq->bits_per_second = avctx->bit_rate;
69 vseq->intra_period = avctx->gop_size;
72 vpic->frame_width_src = avctx->width;
73 vpic->frame_height_src = avctx->height;
74 vpic->frame_width_dst = avctx->width;
75 vpic->frame_height_dst = avctx->height;
80 static int vaapi_encode_vp9_init_picture_params(AVCodecContext *avctx,
81 VAAPIEncodePicture *pic)
83 VAAPIEncodeContext *ctx = avctx->priv_data;
84 VAEncPictureParameterBufferVP9 *vpic = pic->codec_picture_params;
85 VAAPIEncodeVP9Context *priv = ctx->priv_data;
86 VAAPIEncodeVP9Options *opt = ctx->codec_options;
89 vpic->reconstructed_frame = pic->recon_surface;
90 vpic->coded_buf = pic->output_buffer;
93 case PICTURE_TYPE_IDR:
94 av_assert0(pic->nb_refs == 0);
95 vpic->ref_flags.bits.force_kf = 1;
96 vpic->refresh_frame_flags = 0x01;
97 priv->last_ref_dir = 0;
100 av_assert0(pic->nb_refs == 1);
101 if (avctx->max_b_frames > 0) {
102 if (priv->last_ref_dir) {
103 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 2;
104 vpic->ref_flags.bits.ref_gf_idx = 1;
105 vpic->ref_flags.bits.ref_gf_sign_bias = 1;
106 vpic->refresh_frame_flags = 0x01;
108 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
109 vpic->ref_flags.bits.ref_last_idx = 0;
110 vpic->ref_flags.bits.ref_last_sign_bias = 1;
111 vpic->refresh_frame_flags = 0x02;
114 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
115 vpic->ref_flags.bits.ref_last_idx = 0;
116 vpic->ref_flags.bits.ref_last_sign_bias = 1;
117 vpic->refresh_frame_flags = 0x01;
121 av_assert0(pic->nb_refs == 2);
122 if (priv->last_ref_dir) {
123 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 1;
124 vpic->ref_flags.bits.ref_frame_ctrl_l1 = 2;
125 vpic->ref_flags.bits.ref_last_idx = 0;
126 vpic->ref_flags.bits.ref_last_sign_bias = 1;
127 vpic->ref_flags.bits.ref_gf_idx = 1;
128 vpic->ref_flags.bits.ref_gf_sign_bias = 0;
130 vpic->ref_flags.bits.ref_frame_ctrl_l0 = 2;
131 vpic->ref_flags.bits.ref_frame_ctrl_l1 = 1;
132 vpic->ref_flags.bits.ref_last_idx = 0;
133 vpic->ref_flags.bits.ref_last_sign_bias = 0;
134 vpic->ref_flags.bits.ref_gf_idx = 1;
135 vpic->ref_flags.bits.ref_gf_sign_bias = 1;
137 vpic->refresh_frame_flags = 0x00;
140 av_assert0(0 && "invalid picture type");
143 for (i = 0; i < FF_ARRAY_ELEMS(vpic->reference_frames); i++)
144 vpic->reference_frames[i] = VA_INVALID_SURFACE;
145 if (pic->type == PICTURE_TYPE_P) {
146 av_assert0(pic->refs[0]);
147 vpic->reference_frames[priv->last_ref_dir] =
148 pic->refs[0]->recon_surface;
149 } else if (pic->type == PICTURE_TYPE_B) {
150 av_assert0(pic->refs[0] && pic->refs[1]);
151 vpic->reference_frames[!priv->last_ref_dir] =
152 pic->refs[0]->recon_surface;
153 vpic->reference_frames[priv->last_ref_dir] =
154 pic->refs[1]->recon_surface;
157 vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
158 vpic->pic_flags.bits.show_frame = pic->display_order <= pic->encode_order;
160 if (pic->type == PICTURE_TYPE_IDR)
161 vpic->luma_ac_qindex = priv->q_idx_idr;
162 else if (pic->type == PICTURE_TYPE_P)
163 vpic->luma_ac_qindex = priv->q_idx_p;
165 vpic->luma_ac_qindex = priv->q_idx_b;
166 vpic->luma_dc_qindex_delta = 0;
167 vpic->chroma_ac_qindex_delta = 0;
168 vpic->chroma_dc_qindex_delta = 0;
170 vpic->filter_level = opt->loop_filter_level;
171 vpic->sharpness_level = opt->loop_filter_sharpness;
173 if (avctx->max_b_frames > 0 && pic->type == PICTURE_TYPE_P)
174 priv->last_ref_dir = !priv->last_ref_dir;
179 static av_cold int vaapi_encode_vp9_configure(AVCodecContext *avctx)
181 VAAPIEncodeContext *ctx = avctx->priv_data;
182 VAAPIEncodeVP9Context *priv = ctx->priv_data;
184 priv->q_idx_p = av_clip(avctx->global_quality, 0, 255);
185 if (avctx->i_quant_factor > 0.0)
186 priv->q_idx_idr = av_clip((avctx->global_quality *
187 avctx->i_quant_factor +
188 avctx->i_quant_offset) + 0.5,
191 priv->q_idx_idr = priv->q_idx_p;
192 if (avctx->b_quant_factor > 0.0)
193 priv->q_idx_b = av_clip((avctx->global_quality *
194 avctx->b_quant_factor +
195 avctx->b_quant_offset) + 0.5,
198 priv->q_idx_b = priv->q_idx_p;
203 static const VAAPIEncodeType vaapi_encode_type_vp9 = {
204 .configure = &vaapi_encode_vp9_configure,
206 .priv_data_size = sizeof(VAAPIEncodeVP9Context),
208 .sequence_params_size = sizeof(VAEncSequenceParameterBufferVP9),
209 .init_sequence_params = &vaapi_encode_vp9_init_sequence_params,
211 .picture_params_size = sizeof(VAEncPictureParameterBufferVP9),
212 .init_picture_params = &vaapi_encode_vp9_init_picture_params,
215 static av_cold int vaapi_encode_vp9_init(AVCodecContext *avctx)
217 VAAPIEncodeContext *ctx = avctx->priv_data;
219 ctx->codec = &vaapi_encode_type_vp9;
221 switch (avctx->profile) {
222 case FF_PROFILE_VP9_0:
223 case FF_PROFILE_UNKNOWN:
224 ctx->va_profile = VAProfileVP9Profile0;
225 ctx->va_rt_format = VA_RT_FORMAT_YUV420;
227 case FF_PROFILE_VP9_1:
228 av_log(avctx, AV_LOG_ERROR, "VP9 profile 1 is not "
230 return AVERROR_PATCHWELCOME;
231 case FF_PROFILE_VP9_2:
232 ctx->va_profile = VAProfileVP9Profile2;
233 ctx->va_rt_format = VA_RT_FORMAT_YUV420_10BPP;
235 case FF_PROFILE_VP9_3:
236 av_log(avctx, AV_LOG_ERROR, "VP9 profile 3 is not "
238 return AVERROR_PATCHWELCOME;
240 av_log(avctx, AV_LOG_ERROR, "Unknown VP9 profile %d.\n",
242 return AVERROR(EINVAL);
244 ctx->va_entrypoint = VAEntrypointEncSlice;
246 if (avctx->flags & AV_CODEC_FLAG_QSCALE) {
247 ctx->va_rc_mode = VA_RC_CQP;
248 } else if (avctx->bit_rate > 0) {
249 if (avctx->bit_rate == avctx->rc_max_rate)
250 ctx->va_rc_mode = VA_RC_CBR;
252 ctx->va_rc_mode = VA_RC_VBR;
254 ctx->va_rc_mode = VA_RC_CQP;
257 // Packed headers are not currently supported.
258 ctx->va_packed_headers = 0;
260 // Surfaces must be aligned to superblock boundaries.
261 ctx->surface_width = FFALIGN(avctx->width, 64);
262 ctx->surface_height = FFALIGN(avctx->height, 64);
264 return ff_vaapi_encode_init(avctx);
267 #define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
268 offsetof(VAAPIEncodeVP9Options, x))
269 #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
270 static const AVOption vaapi_encode_vp9_options[] = {
271 { "loop_filter_level", "Loop filter level",
272 OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
273 { "loop_filter_sharpness", "Loop filter sharpness",
274 OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
278 static const AVCodecDefault vaapi_encode_vp9_defaults[] = {
283 { "global_quality", "100" },
287 static const AVClass vaapi_encode_vp9_class = {
288 .class_name = "vp9_vaapi",
289 .item_name = av_default_item_name,
290 .option = vaapi_encode_vp9_options,
291 .version = LIBAVUTIL_VERSION_INT,
294 AVCodec ff_vp9_vaapi_encoder = {
296 .long_name = NULL_IF_CONFIG_SMALL("VP9 (VAAPI)"),
297 .type = AVMEDIA_TYPE_VIDEO,
298 .id = AV_CODEC_ID_VP9,
299 .priv_data_size = (sizeof(VAAPIEncodeContext) +
300 sizeof(VAAPIEncodeVP9Options)),
301 .init = &vaapi_encode_vp9_init,
302 .encode2 = &ff_vaapi_encode2,
303 .close = &ff_vaapi_encode_close,
304 .priv_class = &vaapi_encode_vp9_class,
305 .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
306 .defaults = vaapi_encode_vp9_defaults,
307 .pix_fmts = (const enum AVPixelFormat[]) {
311 .wrapper_name = "vaapi",