mirror of
https://git.ffmpeg.org/ffmpeg.git
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267 lines
8.0 KiB
C
267 lines
8.0 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <va/va.h>
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#include <va/va_enc_vp8.h>
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#include "libavutil/avassert.h"
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#include "libavutil/common.h"
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#include "libavutil/internal.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixfmt.h"
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#include "avcodec.h"
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#include "internal.h"
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#include "vaapi_encode.h"
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#include "vp8.h"
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typedef struct VAAPIEncodeVP8Context {
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VAAPIEncodeContext common;
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// User options.
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int loop_filter_level;
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int loop_filter_sharpness;
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// Derived settings.
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int q_index_i;
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int q_index_p;
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} VAAPIEncodeVP8Context;
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#define vseq_var(name) vseq->name, name
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#define vseq_field(name) vseq->seq_fields.bits.name, name
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#define vpic_var(name) vpic->name, name
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#define vpic_field(name) vpic->pic_fields.bits.name, name
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static int vaapi_encode_vp8_init_sequence_params(AVCodecContext *avctx)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAEncSequenceParameterBufferVP8 *vseq = ctx->codec_sequence_params;
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vseq->frame_width = avctx->width;
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vseq->frame_height = avctx->height;
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vseq->frame_width_scale = 0;
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vseq->frame_height_scale = 0;
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vseq->error_resilient = 0;
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vseq->kf_auto = 0;
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if (!(ctx->va_rc_mode & VA_RC_CQP)) {
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vseq->bits_per_second = ctx->va_bit_rate;
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vseq->intra_period = ctx->gop_size;
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}
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return 0;
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}
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static int vaapi_encode_vp8_init_picture_params(AVCodecContext *avctx,
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VAAPIEncodePicture *pic)
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{
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VAAPIEncodeVP8Context *priv = avctx->priv_data;
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VAEncPictureParameterBufferVP8 *vpic = pic->codec_picture_params;
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int i;
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vpic->reconstructed_frame = pic->recon_surface;
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vpic->coded_buf = pic->output_buffer;
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switch (pic->type) {
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case PICTURE_TYPE_IDR:
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case PICTURE_TYPE_I:
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av_assert0(pic->nb_refs == 0);
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vpic->ref_flags.bits.force_kf = 1;
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vpic->ref_last_frame =
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vpic->ref_gf_frame =
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vpic->ref_arf_frame =
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VA_INVALID_SURFACE;
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break;
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case PICTURE_TYPE_P:
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av_assert0(pic->nb_refs == 1);
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vpic->ref_flags.bits.no_ref_last = 0;
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vpic->ref_flags.bits.no_ref_gf = 1;
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vpic->ref_flags.bits.no_ref_arf = 1;
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vpic->ref_last_frame =
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vpic->ref_gf_frame =
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vpic->ref_arf_frame =
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pic->refs[0]->recon_surface;
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break;
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default:
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av_assert0(0 && "invalid picture type");
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}
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vpic->pic_flags.bits.frame_type = (pic->type != PICTURE_TYPE_IDR);
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vpic->pic_flags.bits.show_frame = 1;
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vpic->pic_flags.bits.refresh_last = 1;
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vpic->pic_flags.bits.refresh_golden_frame = 1;
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vpic->pic_flags.bits.refresh_alternate_frame = 1;
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vpic->pic_flags.bits.version = 0;
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vpic->pic_flags.bits.loop_filter_type = 0;
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for (i = 0; i < 4; i++)
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vpic->loop_filter_level[i] = priv->loop_filter_level;
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vpic->sharpness_level = priv->loop_filter_sharpness;
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vpic->clamp_qindex_low = 0;
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vpic->clamp_qindex_high = 127;
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return 0;
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}
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static int vaapi_encode_vp8_write_quant_table(AVCodecContext *avctx,
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VAAPIEncodePicture *pic,
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int index, int *type,
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char *data, size_t *data_len)
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{
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VAAPIEncodeVP8Context *priv = avctx->priv_data;
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VAQMatrixBufferVP8 quant;
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int i, q;
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if (index > 0)
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return AVERROR_EOF;
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if (*data_len < sizeof(quant))
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return AVERROR(EINVAL);
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*type = VAQMatrixBufferType;
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*data_len = sizeof(quant);
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memset(&quant, 0, sizeof(quant));
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if (pic->type == PICTURE_TYPE_P)
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q = priv->q_index_p;
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else
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q = priv->q_index_i;
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for (i = 0; i < 4; i++)
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quant.quantization_index[i] = q;
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for (i = 0; i < 5; i++)
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quant.quantization_index_delta[i] = 0;
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memcpy(data, &quant, sizeof(quant));
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return 0;
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}
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static av_cold int vaapi_encode_vp8_configure(AVCodecContext *avctx)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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VAAPIEncodeVP8Context *priv = avctx->priv_data;
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priv->q_index_p = av_clip(ctx->rc_quality, 0, VP8_MAX_QUANT);
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if (avctx->i_quant_factor > 0.0)
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priv->q_index_i =
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av_clip((avctx->i_quant_factor * priv->q_index_p +
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avctx->i_quant_offset) + 0.5,
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0, VP8_MAX_QUANT);
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else
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priv->q_index_i = priv->q_index_p;
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ctx->roi_quant_range = VP8_MAX_QUANT;
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return 0;
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}
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static const VAAPIEncodeProfile vaapi_encode_vp8_profiles[] = {
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{ 0 /* VP8 has no profiles */, 8, 3, 1, 1, VAProfileVP8Version0_3 },
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{ FF_PROFILE_UNKNOWN }
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};
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static const VAAPIEncodeType vaapi_encode_type_vp8 = {
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.profiles = vaapi_encode_vp8_profiles,
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.configure = &vaapi_encode_vp8_configure,
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.default_quality = 40,
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.sequence_params_size = sizeof(VAEncSequenceParameterBufferVP8),
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.init_sequence_params = &vaapi_encode_vp8_init_sequence_params,
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.picture_params_size = sizeof(VAEncPictureParameterBufferVP8),
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.init_picture_params = &vaapi_encode_vp8_init_picture_params,
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.write_extra_buffer = &vaapi_encode_vp8_write_quant_table,
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};
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static av_cold int vaapi_encode_vp8_init(AVCodecContext *avctx)
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{
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VAAPIEncodeContext *ctx = avctx->priv_data;
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ctx->codec = &vaapi_encode_type_vp8;
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// No packed headers are currently desired. VP8 has no metadata
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// which would be useful to write, and no existing driver supports
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// adding them anyway.
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ctx->desired_packed_headers = 0;
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ctx->surface_width = FFALIGN(avctx->width, 16);
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ctx->surface_height = FFALIGN(avctx->height, 16);
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return ff_vaapi_encode_init(avctx);
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}
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#define OFFSET(x) offsetof(VAAPIEncodeVP8Context, x)
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#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
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static const AVOption vaapi_encode_vp8_options[] = {
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VAAPI_ENCODE_COMMON_OPTIONS,
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VAAPI_ENCODE_RC_OPTIONS,
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{ "loop_filter_level", "Loop filter level",
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OFFSET(loop_filter_level), AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 63, FLAGS },
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{ "loop_filter_sharpness", "Loop filter sharpness",
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OFFSET(loop_filter_sharpness), AV_OPT_TYPE_INT, { .i64 = 4 }, 0, 15, FLAGS },
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{ NULL },
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};
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static const AVCodecDefault vaapi_encode_vp8_defaults[] = {
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{ "b", "0" },
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{ "bf", "0" },
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{ "g", "120" },
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{ "qmin", "-1" },
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{ "qmax", "-1" },
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{ NULL },
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};
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static const AVClass vaapi_encode_vp8_class = {
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.class_name = "vp8_vaapi",
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.item_name = av_default_item_name,
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.option = vaapi_encode_vp8_options,
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.version = LIBAVUTIL_VERSION_INT,
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};
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AVCodec ff_vp8_vaapi_encoder = {
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.name = "vp8_vaapi",
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.long_name = NULL_IF_CONFIG_SMALL("VP8 (VAAPI)"),
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.type = AVMEDIA_TYPE_VIDEO,
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.id = AV_CODEC_ID_VP8,
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.priv_data_size = sizeof(VAAPIEncodeVP8Context),
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.init = &vaapi_encode_vp8_init,
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.send_frame = &ff_vaapi_encode_send_frame,
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.receive_packet = &ff_vaapi_encode_receive_packet,
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.close = &ff_vaapi_encode_close,
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.priv_class = &vaapi_encode_vp8_class,
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.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE,
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.defaults = vaapi_encode_vp8_defaults,
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.pix_fmts = (const enum AVPixelFormat[]) {
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AV_PIX_FMT_VAAPI,
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AV_PIX_FMT_NONE,
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},
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.wrapper_name = "vaapi",
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};
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