|
|
|
@ -1233,6 +1233,10 @@ static int ipvideo_decode_frame(AVCodecContext *avctx, |
|
|
|
|
s->decoding_map_size = ((s->avctx->width / 8) * (s->avctx->height / 8)) * 2; |
|
|
|
|
s->decoding_map = buf + 8 + 14; /* 14 bits of op data */ |
|
|
|
|
video_data_size -= s->decoding_map_size + 14; |
|
|
|
|
|
|
|
|
|
if (buf_size < 8 + s->decoding_map_size + 14 + video_data_size) |
|
|
|
|
return AVERROR_INVALIDDATA; |
|
|
|
|
|
|
|
|
|
bytestream2_init(&s->stream_ptr, buf + 8 + s->decoding_map_size + 14, video_data_size); |
|
|
|
|
|
|
|
|
|
break; |
|
|
|
@ -1253,6 +1257,9 @@ static int ipvideo_decode_frame(AVCodecContext *avctx, |
|
|
|
|
return AVERROR_INVALIDDATA; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (buf_size < 8 + video_data_size + s->decoding_map_size + s->skip_map_size) |
|
|
|
|
return AVERROR_INVALIDDATA; |
|
|
|
|
|
|
|
|
|
bytestream2_init(&s->stream_ptr, buf + 8, video_data_size); |
|
|
|
|
s->decoding_map = buf + 8 + video_data_size; |
|
|
|
|
s->skip_map = buf + 8 + video_data_size + s->decoding_map_size; |
|
|
|
@ -1270,6 +1277,9 @@ static int ipvideo_decode_frame(AVCodecContext *avctx, |
|
|
|
|
return AVERROR_INVALIDDATA; |
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
if (buf_size < 8 + video_data_size + s->decoding_map_size) |
|
|
|
|
return AVERROR_INVALIDDATA; |
|
|
|
|
|
|
|
|
|
bytestream2_init(&s->stream_ptr, buf + 8, video_data_size); |
|
|
|
|
s->decoding_map = buf + 8 + video_data_size; |
|
|
|
|
|
|
|
|
|