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- /*
- * 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 <va/va.h>
- #include <va/va_enc_vp8.h>
-
- #include "libavutil/avassert.h"
- #include "libavutil/common.h"
- #include "libavutil/internal.h"
- #include "libavutil/opt.h"
- #include "libavutil/pixfmt.h"
-
- #include "avcodec.h"
- #include "internal.h"
- #include "vaapi_encode.h"
- #include "vp8.h"
-
-
- typedef struct VAAPIEncodeVP8Context {
- VAAPIEncodeContext common;
-
- // User options.
- int loop_filter_level;
- int loop_filter_sharpness;
-
- // Derived settings.
- int q_index_i;
- int q_index_p;
- } VAAPIEncodeVP8Context;
-
-
- #define vseq_var(name) vseq->name, name
- #define vseq_field(name) vseq->seq_fields.bits.name, name
- #define vpic_var(name) vpic->name, name
- #define vpic_field(name) vpic->pic_fields.bits.name, name
-
-
- static int vaapi_encode_vp8_init_sequence_params(AVCodecContext *avctx)
- {
- VAAPIEncodeContext *ctx = avctx->priv_data;
- VAEncSequenceParameterBufferVP8 *vseq = ctx->codec_sequence_params;
-
- vseq->frame_width = avctx->width;
- vseq->frame_height = avctx->height;
-
- vseq->frame_width_scale = 0;
- vseq->frame_height_scale = 0;
-
- vseq->error_resilient = 0;
- vseq->kf_auto = 0;
-
- if (!(ctx->va_rc_mode & VA_RC_CQP)) {
- vseq->bits_per_second = ctx->va_bit_rate;
- vseq->intra_period = ctx->gop_size;
- }
-
- return 0;
- }
-
- static int vaapi_encode_vp8_init_picture_params(AVCodecContext *avctx,
- VAAPIEncodePicture *pic)
- {
- VAAPIEncodeVP8Context *priv = avctx->priv_data;
- VAEncPictureParameterBufferVP8 *vpic = pic->codec_picture_params;
- int i;
-
- vpic->reconstructed_frame = pic->recon_surface;
-
- vpic->coded_buf = pic->output_buffer;
-
- switch (pic->type) {
- case PICTURE_TYPE_IDR:
- case PICTURE_TYPE_I:
- av_assert0(pic->nb_refs == 0);
- vpic->ref_flags.bits.force_kf = 1;
- vpic->ref_last_frame =
- vpic->ref_gf_frame =
- vpic->ref_arf_frame =
- VA_INVALID_SURFACE;
- break;
- case PICTURE_TYPE_P:
- av_assert0(pic->nb_refs == 1);
- vpic->ref_flags.bits.no_ref_last = 0;
- vpic->ref_flags.bits.no_ref_gf = 1;
- vpic->ref_flags.bits.no_ref_arf = 1;
- vpic->ref_last_frame =
- vpic->ref_gf_frame =
- vpic->ref_arf_frame =
- pic->refs[0]->recon_surface;
- break;
- default:
- av_assert0(0 && "invalid picture type");
- }
-
- vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
- vpic->pic_flags.bits.show_frame = 1;
-
- vpic->pic_flags.bits.refresh_last = 1;
- vpic->pic_flags.bits.refresh_golden_frame = 1;
- vpic->pic_flags.bits.refresh_alternate_frame = 1;
-
- vpic->pic_flags.bits.version = 0;
- vpic->pic_flags.bits.loop_filter_type = 0;
- for (i = 0; i < 4; i++)
- vpic->loop_filter_level[i] = priv->loop_filter_level;
- vpic->sharpness_level = priv->loop_filter_sharpness;
-
- vpic->clamp_qindex_low = 0;
- vpic->clamp_qindex_high = 127;
-
- return 0;
- }
-
- static int vaapi_encode_vp8_write_quant_table(AVCodecContext *avctx,
- VAAPIEncodePicture *pic,
- int index, int *type,
- char *data, size_t *data_len)
- {
- VAAPIEncodeVP8Context *priv = avctx->priv_data;
- VAQMatrixBufferVP8 quant;
- int i, q;
-
- if (index > 0)
- return AVERROR_EOF;
-
- if (*data_len < sizeof(quant))
- return AVERROR(EINVAL);
- *type = VAQMatrixBufferType;
- *data_len = sizeof(quant);
-
- memset(&quant, 0, sizeof(quant));
-
- if (pic->type == PICTURE_TYPE_P)
- q = priv->q_index_p;
- else
- q = priv->q_index_i;
-
- for (i = 0; i < 4; i++)
- quant.quantization_index[i] = q;
- for (i = 0; i < 5; i++)
- quant.quantization_index_delta[i] = 0;
-
- memcpy(data, &quant, sizeof(quant));
- return 0;
- }
-
- static av_cold int vaapi_encode_vp8_configure(AVCodecContext *avctx)
- {
- VAAPIEncodeVP8Context *priv = avctx->priv_data;
-
- priv->q_index_p = av_clip(avctx->global_quality, 0, VP8_MAX_QUANT);
- if (avctx->i_quant_factor > 0.0)
- priv->q_index_i = av_clip((avctx->global_quality *
- avctx->i_quant_factor +
- avctx->i_quant_offset) + 0.5,
- 0, VP8_MAX_QUANT);
- else
- priv->q_index_i = priv->q_index_p;
-
- return 0;
- }
-
- static const VAAPIEncodeProfile vaapi_encode_vp8_profiles[] = {
- { 0 /* VP8 has no profiles */, 8, 3, 1, 1, VAProfileVP8Version0_3 },
- { FF_PROFILE_UNKNOWN }
- };
-
- static const VAAPIEncodeType vaapi_encode_type_vp8 = {
- .profiles = vaapi_encode_vp8_profiles,
-
- .configure = &vaapi_encode_vp8_configure,
-
- .sequence_params_size = sizeof(VAEncSequenceParameterBufferVP8),
- .init_sequence_params = &vaapi_encode_vp8_init_sequence_params,
-
- .picture_params_size = sizeof(VAEncPictureParameterBufferVP8),
- .init_picture_params = &vaapi_encode_vp8_init_picture_params,
-
- .write_extra_buffer = &vaapi_encode_vp8_write_quant_table,
- };
-
- static av_cold int vaapi_encode_vp8_init(AVCodecContext *avctx)
- {
- VAAPIEncodeContext *ctx = avctx->priv_data;
-
- ctx->codec = &vaapi_encode_type_vp8;
-
- // Packed headers are not currently supported.
- ctx->va_packed_headers = 0;
-
- ctx->surface_width = FFALIGN(avctx->width, 16);
- ctx->surface_height = FFALIGN(avctx->height, 16);
-
- return ff_vaapi_encode_init(avctx);
- }
-
- #define OFFSET(x) offsetof(VAAPIEncodeVP8Context, x)
- #define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
- static const AVOption vaapi_encode_vp8_options[] = {
- VAAPI_ENCODE_COMMON_OPTIONS,
- { "loop_filter_level", "Loop filter level",
- OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
- { "loop_filter_sharpness", "Loop filter sharpness",
- OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
- { NULL },
- };
-
- static const AVCodecDefault vaapi_encode_vp8_defaults[] = {
- { "b", "0" },
- { "bf", "0" },
- { "g", "120" },
- { "global_quality", "40" },
- { "qmin", "-1" },
- { "qmax", "-1" },
- { NULL },
- };
-
- static const AVClass vaapi_encode_vp8_class = {
- .class_name = "vp8_vaapi",
- .item_name = av_default_item_name,
- .option = vaapi_encode_vp8_options,
- .version = LIBAVUTIL_VERSION_INT,
- };
-
- AVCodec ff_vp8_vaapi_encoder = {
- .name = "vp8_vaapi",
- .long_name = NULL_IF_CONFIG_SMALL("VP8 (VAAPI)"),
- .type = AVMEDIA_TYPE_VIDEO,
- .id = AV_CODEC_ID_VP8,
- .priv_data_size = sizeof(VAAPIEncodeVP8Context),
- .init = &vaapi_encode_vp8_init,
- .encode2 = &ff_vaapi_encode2,
- .close = &ff_vaapi_encode_close,
- .priv_class = &vaapi_encode_vp8_class,
- .capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
- .defaults = vaapi_encode_vp8_defaults,
- .pix_fmts = (const enum AVPixelFormat[]) {
- AV_PIX_FMT_VAAPI,
- AV_PIX_FMT_NONE,
- },
- .wrapper_name = "vaapi",
- };
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