FFmpeg
Data Structures | Macros | Functions | Variables
qtrleenc.c File Reference
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  QtrleEncContext
 

Macros

#define MAX_RLE_BULK   127
 Maximum RLE code for bulk copy. More...
 
#define MAX_RLE_REPEAT   128
 Maximum RLE code for repeat. More...
 
#define MAX_RLE_SKIP   254
 Maximum RLE code for skip. More...
 

Functions

static av_cold int qtrle_encode_end (AVCodecContext *avctx)
 
static av_cold int qtrle_encode_init (AVCodecContext *avctx)
 
static void qtrle_encode_line (QtrleEncContext *s, const AVFrame *p, int line, uint8_t **buf)
 Compute the best RLE sequence for a line. More...
 
static int encode_frame (QtrleEncContext *s, const AVFrame *p, uint8_t *buf)
 Encode frame including header. More...
 
static int qtrle_encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
 

Variables

const AVCodec ff_qtrle_encoder
 

Macro Definition Documentation

◆ MAX_RLE_BULK

#define MAX_RLE_BULK   127

Maximum RLE code for bulk copy.

Definition at line 31 of file qtrleenc.c.

◆ MAX_RLE_REPEAT

#define MAX_RLE_REPEAT   128

Maximum RLE code for repeat.

Definition at line 33 of file qtrleenc.c.

◆ MAX_RLE_SKIP

#define MAX_RLE_SKIP   254

Maximum RLE code for skip.

Definition at line 35 of file qtrleenc.c.

Function Documentation

◆ qtrle_encode_end()

static av_cold int qtrle_encode_end ( AVCodecContext avctx)
static

Definition at line 66 of file qtrleenc.c.

◆ qtrle_encode_init()

static av_cold int qtrle_encode_init ( AVCodecContext avctx)
static

Definition at line 77 of file qtrleenc.c.

◆ qtrle_encode_line()

static void qtrle_encode_line ( QtrleEncContext s,
const AVFrame p,
int  line,
uint8_t **  buf 
)
static

Compute the best RLE sequence for a line.

Definition at line 135 of file qtrleenc.c.

Referenced by encode_frame().

◆ encode_frame()

static int encode_frame ( QtrleEncContext s,
const AVFrame p,
uint8_t *  buf 
)
static

Encode frame including header.

Definition at line 325 of file qtrleenc.c.

Referenced by qtrle_encode_frame().

◆ qtrle_encode_frame()

static int qtrle_encode_frame ( AVCodecContext avctx,
AVPacket pkt,
const AVFrame pict,
int got_packet 
)
static

Definition at line 366 of file qtrleenc.c.

Variable Documentation

◆ ff_qtrle_encoder

const AVCodec ff_qtrle_encoder
Initial value:
= {
.name = "qtrle",
.long_name = NULL_IF_CONFIG_SMALL("QuickTime Animation (RLE) video"),
.priv_data_size = sizeof(QtrleEncContext),
.encode2 = qtrle_encode_frame,
.close = qtrle_encode_end,
.pix_fmts = (const enum AVPixelFormat[]){
},
}

Definition at line 401 of file qtrleenc.c.

FF_CODEC_CAP_INIT_THREADSAFE
#define FF_CODEC_CAP_INIT_THREADSAFE
The codec does not modify any global variables in the init function, allowing to call the init functi...
Definition: internal.h:41
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:64
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
qtrle_encode_end
static av_cold int qtrle_encode_end(AVCodecContext *avctx)
Definition: qtrleenc.c:66
AV_PIX_FMT_RGB555BE
@ AV_PIX_FMT_RGB555BE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:107
pix_fmts
static enum AVPixelFormat pix_fmts[]
Definition: libkvazaar.c:289
AV_PIX_FMT_GRAY8
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
Definition: pixfmt.h:74
AV_PIX_FMT_RGB24
@ AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:68
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_PIX_FMT_ARGB
@ AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:92
FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: internal.h:49
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
qtrle_encode_frame
static int qtrle_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet)
Definition: qtrleenc.c:366
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_CODEC_ID_QTRLE
@ AV_CODEC_ID_QTRLE
Definition: codec_id.h:104
qtrle_encode_init
static av_cold int qtrle_encode_init(AVCodecContext *avctx)
Definition: qtrleenc.c:77
QtrleEncContext
Definition: qtrleenc.c:37