#include "avcodec.h"
#include "internal.h"
-typedef struct QdrawContext{
+typedef struct QdrawContext {
AVCodecContext *avctx;
AVFrame pic;
} QdrawContext;
void *data, int *got_frame,
AVPacket *avpkt)
{
- const uint8_t *buf = avpkt->data;
+ const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = avpkt->data + avpkt->size;
- int buf_size = avpkt->size;
+ int buf_size = avpkt->size;
QdrawContext * const a = avctx->priv_data;
- AVFrame * const p = &a->pic;
+ AVFrame * const p = &a->pic;
uint8_t* outdata;
int colors;
int i, ret;
uint32_t *pal;
int r, g, b;
- if(p->data[0])
+ if (p->data[0])
avctx->release_buffer(avctx, p);
- p->reference= 0;
+ p->reference = 0;
if ((ret = ff_get_buffer(avctx, p)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
- p->pict_type= AV_PICTURE_TYPE_I;
- p->key_frame= 1;
+ p->pict_type = AV_PICTURE_TYPE_I;
+ p->key_frame = 1;
outdata = a->pic.data[0];
if (buf_end - buf < 0x68 + 4)
return AVERROR_INVALIDDATA;
- buf += 0x68; /* jump to palette */
+ buf += 0x68; /* jump to palette */
colors = AV_RB32(buf);
- buf += 4;
+ buf += 4;
- if(colors < 0 || colors > 256) {
+ if (colors < 0 || colors > 256) {
av_log(avctx, AV_LOG_ERROR, "Error color count - %i(0x%X)\n", colors, colors);
return AVERROR_INVALIDDATA;
}
int tsize = 0;
/* decode line */
- out = outdata;
+ out = outdata;
size = AV_RB16(buf); /* size of packed line */
buf += 2;
if (buf_end - buf < size)
if ((out + (257 - code)) > (outdata + a->pic.linesize[0]))
break;
memset(out, pix, 257 - code);
- out += 257 - code;
+ out += 257 - code;
tsize += 257 - code;
- left -= 2;
+ left -= 2;
} else { /* copy */
if ((out + code) > (outdata + a->pic.linesize[0]))
break;
if (buf_end - buf < code + 1)
return AVERROR_INVALIDDATA;
memcpy(out, buf, code + 1);
- out += code + 1;
- buf += code + 1;
- left -= 2 + code;
+ out += code + 1;
+ buf += code + 1;
+ left -= 2 + code;
tsize += code + 1;
}
}
return buf_size;
}
-static av_cold int decode_init(AVCodecContext *avctx){
-// QdrawContext * const a = avctx->priv_data;
-
+static av_cold int decode_init(AVCodecContext *avctx)
+{
avctx->pix_fmt= AV_PIX_FMT_PAL8;
return 0;
}
-static av_cold int decode_end(AVCodecContext *avctx){
+static av_cold int decode_end(AVCodecContext *avctx)
+{
QdrawContext * const a = avctx->priv_data;
AVFrame *pic = &a->pic;