int header;
int blocksize;
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
+ int ret;
bytestream2_init(&ctx->g, avpkt->data, avpkt->size);
if (ctx->pic.data[0])
ctx->pic.reference = 3;
ctx->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
- if (avctx->get_buffer(avctx, &ctx->pic) < 0) {
+ if ((ret = avctx->get_buffer(avctx, &ctx->pic)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
header = bytestream2_get_byte(&ctx->g);
if (blocksize != 8 && blocksize != 127) {
av_log(avctx, AV_LOG_ERROR, "Block size = %i\n", blocksize);
- return -1;
+ return AVERROR_INVALIDDATA;
}
memset(ctx->cur, 0, 320 * 200);
switch (header & KMVC_METHOD) {
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unknown compression method %i\n", header & KMVC_METHOD);
- return -1;
+ return AVERROR_INVALIDDATA;
}
out = ctx->pic.data[0];
if (avctx->width > 320 || avctx->height > 200) {
av_log(avctx, AV_LOG_ERROR, "KMVC supports frames <= 320x200\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
c->frm0 = av_mallocz(320 * 200);
c->prev = c->frm1;
for (i = 0; i < 256; i++) {
- c->pal[i] = 0xFF << 24 | i * 0x10101;
+ c->pal[i] = 0xFFU << 24 | i * 0x10101;
}
if (avctx->extradata_size < 12) {