*/
/**
- * @file eatgv.c
+ * @file
* Electronic Arts TGV Video Decoder
- * by Peter Ross (suxen_drol at hotmail dot com)
+ * by Peter Ross (pross@xvid.org)
*
* Technical details here:
* http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TGV
#include "avcodec.h"
#define ALT_BITSTREAM_READER_LE
-#include "bitstream.h"
+#include "get_bits.h"
#include "libavutil/lzo.h"
+#include "libavcore/imgutils.h"
#define EA_PREAMBLE_SIZE 8
#define kVGT_TAG MKTAG('k', 'V', 'G', 'T')
*/
static int unpack(const uint8_t *src, const uint8_t *src_end, unsigned char *dst, int width, int height) {
unsigned char *dst_end = dst + width*height;
- int size,size1,size2,offset,run;
+ int size, size1, size2, av_uninit(offset), run;
unsigned char *dst_start = dst;
if (src[0] & 0x01)
s->block_codebook[i][15-j] = tmp[get_bits(&gb, 2)];
}
+ if (get_bits_left(&gb) < vector_bits *
+ (s->avctx->height/4) * (s->avctx->width/4))
+ return -1;
+
/* read vectors and build frame */
for(y=0; y<s->avctx->height/4; y++)
for(x=0; x<s->avctx->width/4; x++) {
static int tgv_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- const uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
TgvContext *s = avctx->priv_data;
const uint8_t *buf_end = buf + buf_size;
int chunk_type;
}
}
- if (avcodec_check_dimensions(avctx, s->width, s->height))
+ if (av_image_check_size(s->width, s->height, 0, avctx))
return -1;
/* shuffle */
/* allocate additional 12 bytes to accomodate av_memcpy_backptr() OUTBUF_PADDED optimisation */
s->frame.data[0] = av_malloc(s->width*s->height + 12);
if (!s->frame.data[0])
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
s->frame.data[1] = av_malloc(AVPALETTE_SIZE);
if (!s->frame.data[1]) {
av_freep(&s->frame.data[0]);
- return AVERROR_NOMEM;
+ return AVERROR(ENOMEM);
}
}
memcpy(s->frame.data[1], s->palette, AVPALETTE_SIZE);
AVCodec eatgv_decoder = {
"eatgv",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_TGV,
sizeof(TgvContext),
tgv_decode_init,
NULL,
tgv_decode_end,
tgv_decode_frame,
- .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts TGV Video"),
+ .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts TGV video"),
};