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 int huff_cmp_sym ( const void *  a, const void *  b  )

static

Definition at line 38 of file utvideoenc.c.

Referenced by calculate_codes().

static av_cold int utvideo_encode_close ( AVCodecContext *  avctx )

static

Definition at line 44 of file utvideoenc.c.

Referenced by utvideo_encode_init().

static av_cold int utvideo_encode_init ( AVCodecContext *  avctx )

static

Definition at line 57 of file utvideoenc.c.

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 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().

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 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 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 void calculate_codes ( HuffEntry *  he )

static

Definition at line 313 of file utvideoenc.c.

Referenced by encode_plane().

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

static

Definition at line 504 of file utvideoenc.c.

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 AVPixelFormat[]) {
                          AV_PIX_FMT_RGB24, AV_PIX_FMT_RGBA, AV_PIX_FMT_YUV422P,
                          AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
                      },
    .long_name      = NULL_IF_CONFIG_SMALL("Ut Video"),
}

Definition at line 609 of file utvideoenc.c.