FFmpeg
2.1.1
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#include "avcodec.h"
#include "internal.h"
#include "bytestream.h"
#include "dsputil.h"
#include "png.h"
#include "libavutil/avassert.h"
#include "libavutil/opt.h"
#include <zlib.h>
Go to the source code of this file.
Data Structures | |
struct | PNGEncContext |
Macros | |
#define | IOBUF_SIZE 4096 |
#define | OFFSET(x) offsetof(PNGEncContext, x) |
#define | VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
Functions | |
static void | png_get_interlaced_row (uint8_t *dst, int row_size, int bits_per_pixel, int pass, const uint8_t *src, int width) |
static void | sub_png_paeth_prediction (uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp) |
static void | png_filter_row (DSPContext *dsp, uint8_t *dst, int filter_type, uint8_t *src, uint8_t *top, int size, int bpp) |
static uint8_t * | png_choose_filter (PNGEncContext *s, uint8_t *dst, uint8_t *src, uint8_t *top, int size, int bpp) |
static void | png_write_chunk (uint8_t **f, uint32_t tag, const uint8_t *buf, int length) |
static int | png_write_row (PNGEncContext *s, const uint8_t *data, int size) |
static int | encode_frame (AVCodecContext *avctx, AVPacket *pkt, const AVFrame *pict, int *got_packet) |
static av_cold int | png_enc_init (AVCodecContext *avctx) |
Variables | |
static const AVOption | options [] |
static const AVClass | pngenc_class |
AVCodec | ff_png_encoder |
#define IOBUF_SIZE 4096 |
Definition at line 32 of file pngenc.c.
Referenced by encode_frame(), and png_write_row().
#define OFFSET | ( | x | ) | offsetof(PNGEncContext, x) |
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
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Definition at line 51 of file pngenc.c.
Referenced by encode_frame().
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Definition at line 90 of file pngenc.c.
Referenced by png_filter_row().
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Definition at line 117 of file pngenc.c.
Referenced by png_choose_filter().
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Definition at line 147 of file pngenc.c.
Referenced by encode_frame().
Definition at line 177 of file pngenc.c.
Referenced by encode_frame(), and png_write_row().
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Definition at line 197 of file pngenc.c.
Referenced by encode_frame().
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AVCodec ff_png_encoder |