ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-20 05:16:38 +00:00
Code Issues Packages Projects Releases Wiki Activity

cljr: K&R cosmetics

Browse Source
This commit is contained in:
Diego Biurrun 2011-12-08 15:51:38 +01:00
parent 1c45c64c9d
commit 6b60a4c9c9
1 changed files with 23 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
libavcodec/cljr.c
View File

@ -28,9 +28,9 @@
#include "get_bits.h"
#include "put_bits.h"
typedef struct CLJRContext{
typedef struct CLJRContext {
AVCodecContext *avctx;
AVFrame picture;
AVFrame picture;
} CLJRContext;
static av_cold int common_init(AVCodecContext *avctx)
@ -49,47 +49,48 @@ static int decode_frame(AVCodecContext *avctx,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int buf_size = avpkt->size;
CLJRContext * const a = avctx->priv_data;
GetBitContext gb;
AVFrame *picture = data;
AVFrame * const p = &a->picture;
int x, y;
if(p->data[0])
if (p->data[0])
avctx->release_buffer(avctx, p);
if(buf_size/avctx->height < avctx->width) {
av_log(avctx, AV_LOG_ERROR, "Resolution larger than buffer size. Invalid header?\n");
if (buf_size / avctx->height < avctx->width) {
av_log(avctx, AV_LOG_ERROR,
"Resolution larger than buffer size. Invalid header?\n");
return AVERROR_INVALIDDATA;
}
p->reference= 0;
if(avctx->get_buffer(avctx, p) < 0){
p->reference = 0;
if (avctx->get_buffer(avctx, p) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
init_get_bits(&gb, buf, buf_size * 8);
for(y=0; y<avctx->height; y++){
uint8_t *luma= &a->picture.data[0][ y*a->picture.linesize[0] ];
uint8_t *cb= &a->picture.data[1][ y*a->picture.linesize[1] ];
uint8_t *cr= &a->picture.data[2][ y*a->picture.linesize[2] ];
for(x=0; x<avctx->width; x+=4){
for (y = 0; y < avctx->height; y++) {
uint8_t *luma = &a->picture.data[0][y * a->picture.linesize[0]];
uint8_t *cb = &a->picture.data[1][y * a->picture.linesize[1]];
uint8_t *cr = &a->picture.data[2][y * a->picture.linesize[2]];
for (x = 0; x < avctx->width; x += 4) {
luma[3] = get_bits(&gb, 5) << 3;
luma[2] = get_bits(&gb, 5) << 3;
luma[1] = get_bits(&gb, 5) << 3;
luma[0] = get_bits(&gb, 5) << 3;
luma+= 4;
luma += 4;
*(cb++) = get_bits(&gb, 6) << 2;
*(cr++) = get_bits(&gb, 6) << 2;
}
}
*picture = a->picture;
*picture = a->picture;
*data_size = sizeof(AVPicture);
return buf_size;
@ -124,13 +125,15 @@ AVCodec ff_cljr_decoder = {
#endif
#if CONFIG_CLJR_ENCODER
static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
static int encode_frame(AVCodecContext *avctx, unsigned char *buf,
int buf_size, void *data)
{
PutBitContext pb;
AVFrame *p = data;
int x, y;
p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
init_put_bits(&pb, buf, buf_size / 8);