* @file
* Intel Indeo 2 decoder.
*/
-#define ALT_BITSTREAM_READER_LE
+
+#define BITSTREAM_READER_LE
+#include "libavutil/attributes.h"
#include "avcodec.h"
#include "get_bits.h"
#include "indeo2data.h"
-#include "libavutil/common.h"
+#include "mathops.h"
typedef struct Ir2Context{
AVCodecContext *avctx;
}
static int ir2_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Ir2Context * const s = avctx->priv_data;
AVFrame *picture = data;
- AVFrame * const p= (AVFrame*)&s->picture;
+ AVFrame * const p = &s->picture;
int start;
if(p->data[0])
return -1;
}
+ start = 48; /* hardcoded for now */
+
+ if (start >= buf_size) {
+ av_log(s->avctx, AV_LOG_ERROR, "input buffer size too small (%d)\n", buf_size);
+ return AVERROR_INVALIDDATA;
+ }
+
s->decode_delta = buf[18];
/* decide whether frame uses deltas or not */
-#ifndef ALT_BITSTREAM_READER_LE
+#ifndef BITSTREAM_READER_LE
for (i = 0; i < buf_size; i++)
- buf[i] = av_reverse[buf[i]];
+ buf[i] = ff_reverse[buf[i]];
#endif
- start = 48; /* hardcoded for now */
init_get_bits(&s->gb, buf + start, (buf_size - start) * 8);
s->picture.data[1], s->picture.linesize[1], ir2_luma_table);
}
- *picture= *(AVFrame*)&s->picture;
- *data_size = sizeof(AVPicture);
+ *picture = s->picture;
+ *got_frame = 1;
return buf_size;
}
ic->avctx = avctx;
- avctx->pix_fmt= PIX_FMT_YUV410P;
+ avctx->pix_fmt= AV_PIX_FMT_YUV410P;
ir2_vlc.table = vlc_tables;
ir2_vlc.table_allocated = 1 << CODE_VLC_BITS;
-#ifdef ALT_BITSTREAM_READER_LE
+#ifdef BITSTREAM_READER_LE
init_vlc(&ir2_vlc, CODE_VLC_BITS, IR2_CODES,
&ir2_codes[0][1], 4, 2,
&ir2_codes[0][0], 4, 2, INIT_VLC_USE_NEW_STATIC | INIT_VLC_LE);
AVCodec ff_indeo2_decoder = {
.name = "indeo2",
.type = AVMEDIA_TYPE_VIDEO,
- .id = CODEC_ID_INDEO2,
+ .id = AV_CODEC_ID_INDEO2,
.priv_data_size = sizeof(Ir2Context),
.init = ir2_decode_init,
.close = ir2_decode_end,
.decode = ir2_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("Intel Indeo 2"),
+ .long_name = NULL_IF_CONFIG_SMALL("Intel Indeo 2"),
};