mirror of https://github.com/FFmpeg/FFmpeg.git
Mark Thompson
8 years ago
parent
ff35aa8ca4
commit
ca62236a89
6 changed files with 275 additions and 2 deletions
@ -0,0 +1,268 @@ |
||||
/*
|
||||
* This file is part of Libav. |
||||
* |
||||
* Libav 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. |
||||
* |
||||
* Libav 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 Libav; 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" |
||||
|
||||
|
||||
typedef struct VAAPIEncodeVP8Context { |
||||
int q_index_i; |
||||
int q_index_p; |
||||
} VAAPIEncodeVP8Context; |
||||
|
||||
typedef struct VAAPIEncodeVP8Options { |
||||
int loop_filter_level; |
||||
int loop_filter_sharpness; |
||||
} VAAPIEncodeVP8Options; |
||||
|
||||
|
||||
#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 = avctx->bit_rate; |
||||
vseq->intra_period = avctx->gop_size; |
||||
} |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static int vaapi_encode_vp8_init_picture_params(AVCodecContext *avctx, |
||||
VAAPIEncodePicture *pic) |
||||
{ |
||||
VAAPIEncodeContext *ctx = avctx->priv_data; |
||||
VAEncPictureParameterBufferVP8 *vpic = pic->codec_picture_params; |
||||
VAAPIEncodeVP8Options *opt = ctx->codec_options; |
||||
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] = opt->loop_filter_level; |
||||
vpic->sharpness_level = opt->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) |
||||
{ |
||||
VAAPIEncodeContext *ctx = avctx->priv_data; |
||||
VAAPIEncodeVP8Context *priv = ctx->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); |
||||
|
||||
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) |
||||
{ |
||||
VAAPIEncodeContext *ctx = avctx->priv_data; |
||||
VAAPIEncodeVP8Context *priv = ctx->priv_data; |
||||
|
||||
priv->q_index_p = av_clip(avctx->global_quality, 0, 127); |
||||
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, 127); |
||||
else |
||||
priv->q_index_i = priv->q_index_p; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
static const VAAPIEncodeType vaapi_encode_type_vp8 = { |
||||
.configure = &vaapi_encode_vp8_configure, |
||||
|
||||
.priv_data_size = sizeof(VAAPIEncodeVP8Context), |
||||
|
||||
.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; |
||||
|
||||
if (avctx->max_b_frames > 0) { |
||||
av_log(avctx, AV_LOG_ERROR, "B-frames are not supported.\n"); |
||||
return AVERROR_PATCHWELCOME; |
||||
} |
||||
|
||||
ctx->codec = &vaapi_encode_type_vp8; |
||||
|
||||
ctx->va_profile = VAProfileVP8Version0_3; |
||||
ctx->va_entrypoint = VAEntrypointEncSlice; |
||||
ctx->va_rt_format = VA_RT_FORMAT_YUV420; |
||||
|
||||
if (avctx->flags & AV_CODEC_FLAG_QSCALE) { |
||||
ctx->va_rc_mode = VA_RC_CQP; |
||||
} else if (avctx->bit_rate > 0) { |
||||
if (avctx->rc_max_rate == avctx->bit_rate) |
||||
ctx->va_rc_mode = VA_RC_CBR; |
||||
else |
||||
ctx->va_rc_mode = VA_RC_VBR; |
||||
} else { |
||||
ctx->va_rc_mode = VA_RC_CQP; |
||||
} |
||||
|
||||
// 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(VAAPIEncodeContext, codec_options_data) + \ |
||||
offsetof(VAAPIEncodeVP8Options, x)) |
||||
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM) |
||||
static const AVOption vaapi_encode_vp8_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" }, |
||||
{ 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(VAAPIEncodeContext) + |
||||
sizeof(VAAPIEncodeVP8Options)), |
||||
.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, |
||||
.defaults = vaapi_encode_vp8_defaults, |
||||
.pix_fmts = (const enum AVPixelFormat[]) { |
||||
AV_PIX_FMT_VAAPI, |
||||
AV_PIX_FMT_NONE, |
||||
}, |
||||
}; |
||||
Loading…
Reference in new issue