libopenh264enc.c File Reference

#include <wels/codec_api.h>
#include <wels/codec_ver.h>
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "avcodec.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	SVCContext

Macros
#define	OPENH264_VER_AT_LEAST(maj, min)
#define	OFFSET(x)   offsetof(SVCContext, x)
#define	VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Functions
static int	libopenh264_to_ffmpeg_log_level (int libopenh264_log_level)
static void	libopenh264_trace_callback (void *ctx, int level, const char *msg)
static av_cold int	svc_encode_close (AVCodecContext *avctx)
static av_cold int	svc_encode_init (AVCodecContext *avctx)
static int	svc_encode_frame (AVCodecContext *avctx, AVPacket *avpkt, const AVFrame *frame, int *got_packet)

Variables
static const AVOption	options []
class {
libopenh264enc
av_default_item_name
options
};
AVCodec	ff_libopenh264_encoder

Macro Definition Documentation

#define OPENH264_VER_AT_LEAST	(		maj,
			min
	)

Value:

((OPENH264_MAJOR  > (maj)) || \
     (OPENH264_MAJOR == (maj) && OPENH264_MINOR >= (min)))

Definition at line 47 of file libopenh264enc.c.

#define OFFSET

(

x

)

offsetof(SVCContext, x)

Definition at line 51 of file libopenh264enc.c.

#define VE   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM

Definition at line 52 of file libopenh264enc.c.

Function Documentation

static int libopenh264_to_ffmpeg_log_level ( int  libopenh264_log_level )

static

Definition at line 72 of file libopenh264enc.c.

Referenced by libopenh264_trace_callback().

static void libopenh264_trace_callback ( void *  ctx, int  level, const char *  msg  )

static

Definition at line 88 of file libopenh264enc.c.

Referenced by svc_encode_init().

static av_cold int svc_encode_close ( AVCodecContext *  avctx )

static

Definition at line 96 of file libopenh264enc.c.

Referenced by svc_encode_init().

static av_cold int svc_encode_init ( AVCodecContext *  avctx )

static

Definition at line 107 of file libopenh264enc.c.

static int svc_encode_frame ( AVCodecContext *  avctx, AVPacket *  avpkt, const AVFrame *  frame, int *  got_packet  )

static

Definition at line 247 of file libopenh264enc.c.

Variable Documentation

options

static

Initial value:

= {
    { "slice_mode", "set slice mode", OFFSET(slice_mode), AV_OPT_TYPE_INT, { .i64 = SM_AUTO_SLICE }, SM_SINGLE_SLICE, SM_RESERVED, VE, "slice_mode" },
        { "fixed", "a fixed number of slices", 0, AV_OPT_TYPE_CONST, { .i64 = SM_FIXEDSLCNUM_SLICE }, 0, 0, VE, "slice_mode" },
        { "rowmb", "one slice per row of macroblocks", 0, AV_OPT_TYPE_CONST, { .i64 = SM_ROWMB_SLICE }, 0, 0, VE, "slice_mode" },
        { "auto", "automatic number of slices according to number of threads", 0, AV_OPT_TYPE_CONST, { .i64 = SM_AUTO_SLICE }, 0, 0, VE, "slice_mode" },
        { "dyn", "Dynamic slicing", 0, AV_OPT_TYPE_CONST, { .i64 = SM_DYN_SLICE }, 0, 0, VE, "slice_mode" },
    { "loopfilter", "enable loop filter", OFFSET(loopfilter), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE },
    { "profile", "set profile restrictions", OFFSET(profile), AV_OPT_TYPE_STRING, { .str = NULL }, 0, 0, VE },
    { "max_nal_size", "set maximum NAL size in bytes", OFFSET(max_nal_size), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
    { "allow_skip_frames", "allow skipping frames to hit the target bitrate", OFFSET(skip_frames), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
    { "cabac", "Enable cabac", OFFSET(cabac), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
    { NULL }
}

Definition at line 53 of file libopenh264enc.c.

libopenh264enc

Definition at line 68 of file libopenh264enc.c.

av_default_item_name

Definition at line 68 of file libopenh264enc.c.

Referenced by av_parse_cpu_caps(), av_parse_cpu_flags(), opt_abort_on(), and vs2av_log().

const { ... }

AVCodec ff_libopenh264_encoder

Initial value:

= {
    .name           = "libopenh264",
    .long_name      = NULL_IF_CONFIG_SMALL("OpenH264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_H264,
    .priv_data_size = sizeof(SVCContext),
    .init           = svc_encode_init,
    .encode2        = svc_encode_frame,
    .close          = svc_encode_close,
    .capabilities   = AV_CODEC_CAP_AUTO_THREADS,
    .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P,
                                                    AV_PIX_FMT_NONE },
    .priv_class     = &class,
}

Definition at line 307 of file libopenh264enc.c.