static int ir2_decode_plane_inter(Ir2Context *ctx, int width, int height, uint8_t *dst, int pitch, const uint8_t *table) { int j; int out = 0; int c; int t; if (width & 1) for (j = 0; j < height; j++) { out = 0; while (out < width) { c = ir2_get_code(&ctx->gb); if (c >= 0x80) { /* we have a skip */ c -= 0x7F; out += c * 2; } else { /* add two deltas from table */ t = dst[out] + (((table[c * 2] - 128)*3) >> 2); t = av_clip_uint8(t); dst[out] = t; out++; t = dst[out] + (((table[(c * 2) + 1] - 128)*3) >> 2); t = av_clip_uint8(t); dst[out] = t; out++; } } dst += pitch; } return 0; }