mirror of https://git.ffmpeg.org/ffmpeg.git
133 lines
5.7 KiB
C
133 lines
5.7 KiB
C
/*
|
|
* Intel MediaSDK QSV based H.264 enccoder
|
|
*
|
|
* copyright (c) 2013 Yukinori Yamazoe
|
|
*
|
|
* 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 <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <mfx/mfxvideo.h>
|
|
|
|
#include "libavutil/opt.h"
|
|
|
|
#include "avcodec.h"
|
|
#include "internal.h"
|
|
#include "h264.h"
|
|
#include "qsv.h"
|
|
#include "qsv_internal.h"
|
|
#include "qsvenc.h"
|
|
|
|
typedef struct QSVH264EncContext {
|
|
AVClass *class;
|
|
QSVEncContext qsv;
|
|
} QSVH264EncContext;
|
|
|
|
static av_cold int qsv_enc_init(AVCodecContext *avctx)
|
|
{
|
|
QSVH264EncContext *q = avctx->priv_data;
|
|
|
|
return ff_qsv_enc_init(avctx, &q->qsv);
|
|
}
|
|
|
|
static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *frame, int *got_packet)
|
|
{
|
|
QSVH264EncContext *q = avctx->priv_data;
|
|
|
|
return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
|
|
}
|
|
|
|
static av_cold int qsv_enc_close(AVCodecContext *avctx)
|
|
{
|
|
QSVH264EncContext *q = avctx->priv_data;
|
|
|
|
return ff_qsv_enc_close(avctx, &q->qsv);
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(QSVH264EncContext, x)
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
static const AVOption options[] = {
|
|
QSV_COMMON_OPTS
|
|
|
|
{ "idr_interval", "Distance (in I-frames) between IDR frames", OFFSET(qsv.idr_interval), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
|
|
{ "single_sei_nal_unit", "Put all the SEI messages into one NALU", OFFSET(qsv.single_sei_nal_unit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
{ "max_dec_frame_buffering", "Maximum number of frames buffered in the DPB", OFFSET(qsv.max_dec_frame_buffering), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
|
|
|
|
{ "int_ref_type", "Intra refresh type", OFFSET(qsv.int_ref_type), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE, "int_ref_type" },
|
|
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE, "int_ref_type" },
|
|
{ "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE, "int_ref_type" },
|
|
{ "int_ref_cycle_size", "Number of frames in the intra refresh cycle", OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE },
|
|
{ "int_ref_qp_delta", "QP difference for the refresh MBs", OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN }, INT16_MIN, INT16_MAX, VE },
|
|
{ "recovery_point_sei", "Insert recovery point SEI messages", OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
|
|
|
|
{ "trellis", "Trellis quantization", OFFSET(qsv.trellis), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, UINT_MAX, VE, "trellis" },
|
|
{ "off", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_OFF }, .flags = VE, "trellis" },
|
|
{ "I", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_I }, .flags = VE, "trellis" },
|
|
{ "P", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_P }, .flags = VE, "trellis" },
|
|
{ "B", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TRELLIS_B }, .flags = VE, "trellis" },
|
|
|
|
{ "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
|
|
{ "unknown" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" },
|
|
{ "baseline", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_BASELINE }, INT_MIN, INT_MAX, VE, "profile" },
|
|
{ "main" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_MAIN }, INT_MIN, INT_MAX, VE, "profile" },
|
|
{ "high" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_AVC_HIGH }, INT_MIN, INT_MAX, VE, "profile" },
|
|
|
|
{ NULL },
|
|
};
|
|
|
|
static const AVClass class = {
|
|
.class_name = "h264_qsv encoder",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
|
|
static const AVCodecDefault qsv_enc_defaults[] = {
|
|
{ "b", "1M" },
|
|
{ "refs", "0" },
|
|
// same as the x264 default
|
|
{ "g", "250" },
|
|
{ "bf", "3" },
|
|
{ "coder", "ac" },
|
|
|
|
{ "flags", "+cgop" },
|
|
{ "b_strategy", "-1" },
|
|
{ NULL },
|
|
};
|
|
|
|
AVCodec ff_h264_qsv_encoder = {
|
|
.name = "h264_qsv",
|
|
.long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration)"),
|
|
.priv_data_size = sizeof(QSVH264EncContext),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H264,
|
|
.init = qsv_enc_init,
|
|
.encode2 = qsv_enc_frame,
|
|
.close = qsv_enc_close,
|
|
.capabilities = AV_CODEC_CAP_DELAY,
|
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
|
|
AV_PIX_FMT_QSV,
|
|
AV_PIX_FMT_NONE },
|
|
.priv_class = &class,
|
|
.defaults = qsv_enc_defaults,
|
|
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
|
|
};
|