libavcodec/utvideoenc.c File Reference

Ut Video encoder. More...

#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "internal.h"
#include "bytestream.h"
#include "put_bits.h"
#include "dsputil.h"
#include "mathops.h"
#include "utvideo.h"
#include "huffman.h"

Go to the source code of this file.

Functions
static int	huff_cmp_sym (const void *a, const void *b)
static av_cold int	utvideo_encode_close (AVCodecContext *avctx)
static av_cold int	utvideo_encode_init (AVCodecContext *avctx)
static void	mangle_rgb_planes (uint8_t *dst[4], int dst_stride, uint8_t *src, int step, int stride, int width, int height)
static void	write_plane (uint8_t *src, uint8_t *dst, int stride, int width, int height)
static void	left_predict (uint8_t *src, uint8_t *dst, int stride, int width, int height)
static void	median_predict (UtvideoContext *c, uint8_t *src, uint8_t *dst, int stride, int width, int height)
static void	count_usage (uint8_t *src, int width, int height, uint64_t *counts)
static void	calculate_codes (HuffEntry *he)
static int	write_huff_codes (uint8_t *src, uint8_t *dst, int dst_size, int width, int height, HuffEntry *he)
static int	encode_plane (AVCodecContext *avctx, uint8_t *src, uint8_t *dst, int stride, int width, int height, PutByteContext *pb)
static int	utvideo_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pic, int *got_packet)
Variables
AVCodec	ff_utvideo_encoder

---

Detailed Description

Ut Video encoder.

Definition in file utvideoenc.c.

---

Function Documentation

static void calculate_codes

(

HuffEntry *

he

)

[static]

Definition at line 313 of file utvideoenc.c.

Referenced by encode_plane().

static void count_usage	(	uint8_t *	src,
		int	width,
		int	height,
		uint64_t *	counts
	)			[static]

Definition at line 299 of file utvideoenc.c.

Referenced by encode_plane().

static int encode_plane	(	AVCodecContext *	avctx,
		uint8_t *	src,
		uint8_t *	dst,
		int	stride,
		int	width,
		int	height,
		PutByteContext *	pb
	)			[static]

Definition at line 366 of file utvideoenc.c.

Referenced by utvideo_encode_frame().

static int huff_cmp_sym	(	const void *	a,
		const void *	b
	)			[static]

Definition at line 38 of file utvideoenc.c.

Referenced by calculate_codes().

static void left_predict	(	uint8_t *	src,
		uint8_t *	dst,
		int	stride,
		int	width,
		int	height
	)			[static]

Definition at line 248 of file utvideoenc.c.

Referenced by encode_plane().

static void mangle_rgb_planes	(	uint8_t *	dst[4],
		int	dst_stride,
		uint8_t *	src,
		int	step,
		int	stride,
		int	width,
		int	height
	)			[static]

Definition at line 200 of file utvideoenc.c.

Referenced by utvideo_encode_frame().

static void median_predict	(	UtvideoContext *	c,
		uint8_t *	src,
		uint8_t *	dst,
		int	stride,
		int	width,
		int	height
	)			[static]

Definition at line 265 of file utvideoenc.c.

Referenced by encode_plane().

static av_cold int utvideo_encode_close

(

AVCodecContext *

avctx

)

[static]

Definition at line 44 of file utvideoenc.c.

static int utvideo_encode_frame	(	AVCodecContext *	avctx,
		AVPacket *	pkt,
		const AVFrame *	pic,
		int *	got_packet
	)			[static]

Definition at line 504 of file utvideoenc.c.

static av_cold int utvideo_encode_init

(

AVCodecContext *

avctx

)

[static]

Definition at line 57 of file utvideoenc.c.

static int write_huff_codes	(	uint8_t *	src,
		uint8_t *	dst,
		int	dst_size,
		int	width,
		int	height,
		HuffEntry *	he
	)			[static]

Definition at line 334 of file utvideoenc.c.

Referenced by encode_plane().

static void write_plane	(	uint8_t *	src,
		uint8_t *	dst,
		int	stride,
		int	width,
		int	height
	)			[static]

Definition at line 234 of file utvideoenc.c.

Referenced by encode_plane().

---

Variable Documentation

AVCodec ff_utvideo_encoder

Initial value:

 {
    .name           = "utvideo",
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_UTVIDEO,
    .priv_data_size = sizeof(UtvideoContext),
    .init           = utvideo_encode_init,
    .encode2        = utvideo_encode_frame,
    .close          = utvideo_encode_close,
    .pix_fmts       = (const enum PixelFormat[]) {
                          PIX_FMT_RGB24, PIX_FMT_RGBA, PIX_FMT_YUV422P,
                          PIX_FMT_YUV420P, PIX_FMT_NONE
                      },
    .long_name      = NULL_IF_CONFIG_SMALL("Ut Video"),
}

Definition at line 610 of file utvideoenc.c.