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This codec is PAL8 so make it output PAL8 too

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Originally committed as revision 8630 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2007-04-06 04:40:13 +00:00
parent 0a7a33d239
commit bcae1fd02e
1 changed files with 16 additions and 20 deletions
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36
libavcodec/qdrw.c
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@ -31,7 +31,6 @@
typedef struct QdrawContext{
AVCodecContext *avctx;
AVFrame pic;
uint8_t palette[256*3];
} QdrawContext;
static int decode_frame(AVCodecContext *avctx,
@ -43,6 +42,8 @@ static int decode_frame(AVCodecContext *avctx,
uint8_t* outdata;
int colors;
int i;
uint32_t *pal;
int r, g, b;
if(p->data[0])
avctx->release_buffer(avctx, p);
@ -66,6 +67,7 @@ static int decode_frame(AVCodecContext *avctx,
return -1;
}
pal = (uint32_t*)p->data[1];
for (i = 0; i <= colors; i++) {
unsigned int idx;
idx = AV_RB16(buf); /* color index */
@ -76,13 +78,15 @@ static int decode_frame(AVCodecContext *avctx,
buf += 6;
continue;
}
a->palette[idx * 3 + 0] = *buf++;
r = *buf++;
buf++;
a->palette[idx * 3 + 1] = *buf++;
g = *buf++;
buf++;
a->palette[idx * 3 + 2] = *buf++;
b = *buf++;
buf++;
pal[idx] = (r << 16) | (g << 8) | b;
}
p->palette_has_changed = 1;
buf += 18; /* skip unneeded data */
for (i = 0; i < avctx->height; i++) {
@ -100,27 +104,19 @@ static int decode_frame(AVCodecContext *avctx,
while (left > 0) {
code = *buf++;
if (code & 0x80 ) { /* run */
int i;
pix = *buf++;
if ((out + (257 - code) * 3) > (outdata + a->pic.linesize[0]))
if ((out + (257 - code)) > (outdata + a->pic.linesize[0]))
break;
for (i = 0; i < 257 - code; i++) {
*out++ = a->palette[pix * 3 + 0];
*out++ = a->palette[pix * 3 + 1];
*out++ = a->palette[pix * 3 + 2];
}
memset(out, pix, 257 - code);
out += 257 - code;
tsize += 257 - code;
left -= 2;
} else { /* copy */
int i, pix;
if ((out + code * 3) > (outdata + a->pic.linesize[0]))
if ((out + code) > (outdata + a->pic.linesize[0]))
break;
for (i = 0; i <= code; i++) {
pix = *buf++;
*out++ = a->palette[pix * 3 + 0];
*out++ = a->palette[pix * 3 + 1];
*out++ = a->palette[pix * 3 + 2];
}
memcpy(out, buf, code + 1);
out += code + 1;
buf += code + 1;
left -= 2 + code;
tsize += code + 1;
}
@ -142,7 +138,7 @@ static int decode_init(AVCodecContext *avctx){
return 1;
}
avctx->pix_fmt= PIX_FMT_RGB24;
avctx->pix_fmt= PIX_FMT_PAL8;
return 0;
}